72 Install and Adjust Ring Gear Thrust Bolt . lb) pinion bearing preload used (in. 21 Differential Bearing Cone 22 Differential Bearing Preload and Backlash Shims 23 Ring Gear Screw 24 Differential Case 25 Roll Pin (Pinion Mate Shaft) 26 RTV Sealant *27 Identification Tag 28 Fill Plug 29 Cover Plate 30 Cover Screw 31 Brake line Clip 32 Differential Bearing Cap Screw 33 Housing **34 Differential Bearing Cap Nov 9, 2008 · 90 foot pounds of torque on the ring gear bolts is 2 times too much. 5 mm (0. 8 driveshaft and half shafts are installed. 75 Inch Ring Feb 11, 2012 · backlash should come from the ring and pinion manufacturer. gawlik May 30, 2023 Nov 19, 2020 · The 2 cut gears run backlash around . To set the pinion depth, place shims underneath the cup or outer race of the taper roller bearing. If OK, install the locks May 9, 2013 · i have done sevreal , you do have to have a bearing preload wrench and backlash tool and marking compound. Each rear-differential type (as in 12-bolt, 10-bolt Dana 60 etc) has its own specs, these are usually included in the gear-set instructions. 0 and it has four wheel drive if that helps Feb 6, 2010 · If the backlash is not within specifications, adjust the backlash by performing the following steps: 13. 7 N. Adjusting Backlash After installing the pinion, the first adjustment I make is backlash. 3. 0059"(. Carrier 4. Put my Torsen unit on the ring gear, lock tight the bolts and was ready to drop it back into the diff. 006" to . Reinstall the differential, remove the nose piece (keeping the seal at the shim gaskets) and measure the backlash. 8 swap Nov 24, 2020 · If the rotational torque during removal could not be recorded, tighten the pinon nut in small increments until a rotating torque of 2. 010 in Backlash (Preferred) 0. Jul 2, 2015 · RAM(or AAM) engineers figured this axle would get hot when hauling up to 30000 lbs up a grade, so the backlash probably is a bit more than an older truck diff. 0079 in. 07 188mm diff with more than 300 000 kms. When checking backlash, a yoke must be installed and torqued to get an accurate reading. 9 in/lbs There will be a publication released from DANA with these specs, but it's going to be quite awhile before it's finished and published. Adjustments for backlash are done by spanner rings in the housing or shim packs behind the carrier bearing cups (GM® or Dana®). See All 64 Photos Next a spanner wrench is used to set carrier bearing preload and ring-to-pinion backlash to 7 - 12 Bolt (T) 8 - 14 Bolt Pin support. Just swap the required ring and pinion to your case and keep nismo gt pro lsd unit with shafts. 45–3. The following diagrams provided courtesy of Dana Spicer Technology, Inc. When assembled, arrows must be pointing in same direction as before removal. 008-. Note that all the 1. Measure the backlash at the LH case and at the RH case. Measure backlash at the input flange. Check backlash in 3 places and record (should be . If backlash is less than . 009" Diff bearing cap bolt torque: 87 Ft. Richmond gears usually run . 003", loosen left-side adjusting nut one slot and tighten the right-side adjusting nut one slot. They're also used to measure distances and to check flat surfaces like the engine's flywheel for runout. 6 diff needs 1. Lbs. 7-18. If you read 0. I bought a used diff. If Ring /Pinion And Differential Are To Be Re-used, Mark Ring Gear So It Can Be Replaced In The Exact Spot It Was Taken Off From. 8" diff carrier shimmed and backlash set by Fast Frank Motorsports. 70 Wheel Differential Lock Wheel Differential Lock - Parts Exploded View . For example, if backlash is measured at 0. DR/DH FRONT AXLE - 9 1/4 AA 3 - 193 SPECIFICATIONS AXLE SPECIFICATIONS DESCRIPTION SPECIFICATION Axle Ratio 3. The GM 55P and 55T axles where used by Chevy between 1955 and 1964 before being replaced by the GM 12 Bolt 12P and 12T axles, respectively. 29. This little guy will allow you to see what your ring gear backlash. 5. The smaller diameter should point toward the outside of the differential. 002” and the desired spec is 0. 3004-7. If you see a more in depth one, let me know. 030 to . Thrust washer thickness: 2. Reference Torque Specifications (Check with the manufacturer of your differential and case) APPLICATION RING GEAR BOLTS (FT-LB) CARRIER CAP BOLTS CHRYSLER 8. I recently rebuilt the entire diff on my 8. 010" shim thickness. Install the rear diff. Decreasing backlash moves the ring gear closer to the pinion. 002" variance). For the 12-bolt, the spec is . The part number should be STR520 which is a British Leyland special tuning part number. 010” you would remove 0. 010” that the carrier is moved. Backlash (. Measure the backlash at the RH and LH differential cases. 5). 4 Y 15–30 lb in Pinion Bearing Preload, Used Bearings 1. Refer to: Specifications (205-02B Rear Drive Axle/Differential - Vehicles With: Ford 9. 19. 005-0. 004-. Bearing preload adjusting spacer 6. 006". 25 sterling with LSD and recently installed 4. e. 012", loosen right-side adjusting nut one slot and tighten the left-side adjusting nut one slot. 007” for each 0. Shop for New Auto Parts at 1AAuto. http://fastfrankmotorsp Dec 23, 2015 · I disassembled the diff cleaned it and separated the Ring Gear from the open diff. 3. 15) HEAT CODE SPICER TRADEMARK MFG. There also will be shims, etc. Jan 3, 2016 · Another specialty tool. 001” of spec, which was stamped as 2. 25 Differential https 9” Center Section Guidelines & Torque Specifications Gear Oil Type & Amount • SAE 85W-140 gear oil is recommended • 9” cases require 2. 012 then that is what you should do. 13-0. 012" vs spec of . While there is a significant clearance between a cam lobe and a cam follower or Mar 11, 2018 · I'm asking this because I've found various specs for the final torque on the nut to be from to 160 to 180 fl. 008" to . 5 11. 003 in. 25 Differential https May 16, 2023 · 2004 Ram differential backlash Jump to Latest 3K views 8 replies 7 participants last post by pa. 1–2. but it looks like it still needs more pinion shim. If gear set is to be reused, check tooth contact pattern and ring gear backlash before disassembling differential carrier. However, I need the ring/pinion backlash and related specifications. 015 on dailey drivers but drag racers likem tighter. Gear, Hoosier and Yukon. 030 in) Lubricant Fill gear and carrier into housing to check backlash. 012" to the right shim pack 22. Rotational Torque Ranges 13 Measure Ring Gear Backlash Input Shaft and Inter-Axle Differential Assembly 15 Disassembly Input Shaft, Bearing Cage, Oil Pump and Inter-Axle Differential 18 Removal Inter-Axle Differential Lock IAD Shift Unit 19 Driver-Controlled Main Differential Lock (DCDL) Main Differential Case and Ring Gear Assembly 21 Disassembly Differential Specs: 1. 45 foot pounds is correct for these 3/8 bolts. If the preload is close and the backlash is too loose, tighten the left adjuster a notch or two until the backlash is correct and the preload is sufficient. 014 backlash. Kit Installation Instructions PLEASE READ COMPLETELY BEFORE INSTALLATION T his installation guide was written to provide the novice and professional with easy 3 Introduction Introduction Ring Gear and Pinion Note: Ring gear and drive pinion are matched parts and must be replaced in sets. Each ring gear and pinion is developed to run at . 7Guero Mar 9, 2020 Aug 2, 2004 · End Of Differential To Aid In Removing Ring Gear Bolts. LOCK POSITION SWITCH. Other general tools: A digital caliper Beam style torque wrench to measure the preload torque. If you are just tapping the shims in place but you can still pull the differential out by hand then it's not tight enough. Be careful to only press on the bearing inner race. Oct 27, 2011 · swap internals, make sure you setup proper backlash and preload, and measurements are everything! also an accurate dial indicator, as well as proper torque specs will help. Diff bearing preload: . 008" backlash. If a pattern is heavy heel, add shims (See Fig. Coast pattern moves deeper on the tooth and Mar 31, 2010 · According to my 1980 AMC Jeep service specs book: AMC 20 Pinion bearing preload-new bearings: 17-25 In. 004 in) Clearance Specifications Differential case maximum runout 0. Note direction of arrows on bearing caps. Remove the bearing cap bolts. 5 Method of Reducing Backlash (Zero Backlash Gears) Low backlash or zero-backlash is the performance required for high-precision gear applications. If you're gonna examine the diff I would start here. 007 to . If I want to decrease the backlash Oct 17, 2016 · For the purposes of this step in this article, we’re going to presume that you’ve properly set both pinion depth and backlash. com http://1aau. 9 in/lbs TTQR - PTQR + 12. 1. 23. 005 to each side and have correct backlash. Jul 28, 2021 · 1. Torque Specifications (Continued) Torque Specifications (Continued) Description Nm lb-ft lb-in Description Nm lb-ft lb-in Handle adapter for 2. It appears the ring gear has a lot more backlash than the . 007 which the spec on these gears is . Replace Bearings If Desired By Pressing Off And Back On. That basically slides the carrier to the left, thereby increasing backlash. Check the backlash by mounting a dial indicator to the housing with the plunger set perpendicular to the ring gear teeth. 25 in. 91 and kaaz install, with pics My install from last year, just to have one in here. Mar 22, 2015 · Please Subscribe, so I can keep great videos coming your way! 8. Backlash is the amount of play the ring gear can move before the pinion moves. Use shims to move the ring gear farther from the pinion gear to increase backlash. Acceptable backlash is about . Mark the bearing caps left and right. 73, 4. Joint flange 5. 73 Table of Contents Table of Contents Feb 22, 2010 · It was replaced under warranty Dec 2007. rotating torque. Im doing the repair because carrier shims came out and carrier was walking left and right so i could not get a before backlash reading. Use shims to move the pinion closer to the ring gear to move the drive pattern deeper on the tooth (flank contact) and slightly toward the toe. 0 222000 miles Sierra Gear & Axle is a premium line of light-duty differential parts. This accumulated backlash can be converted into rotation in degrees: 6. Subtract the gear backlash shim thickness from the total overall shim thickness and select that amount for the pinion gear side of the differential Axle Adjustment Shim Locations Differential shim measurements are performed Jun 19, 2013 · What is the backlash now? Yukon gears sometimes require as much as . 001 inch) ring gear bolt torque (ft. Torque: 40 N·m (410 kgf·cm, 30 ft·lbf) 30. The backlash is set at . to/c/123/i/differential-coverIn the video, 1A Auto shows how to measure the backlash and pattern on the rea Mar 18, 2013 · When speaking of gears, backlash is the amount of clearance between mated gear teeth. 004". (See Pinion Position Pg. Check the papers that came with the gear for their backlash specs. Clean the gears and investigate contact pattern. 24. Everything looks ok visually but the backlash is out of spec. An open differential is designed to free-up the tire with the least traction. Rebuild/Replace Differential. 012", the tightest spot became . If backlash is more than . 75 mm) R200 pinion front bearing 38120V7000, 38140V7000 (3812013200, 3812013201, 3812013202, 3812013210),NSK 32306AN, SKF 32306 (30x72x28. STEP 2: Loosen differential bearing cap bolts and bearing caps. Torque specs for the Dana 60 are 120 ft/lbs. Pinion shims usually must be moved in . dana m190. 9-15. Mine was a 1/4 socket and rated 0-60 inch pounds. Backlash: 0. Hold the pinion yoke and rotate the ring gear back and forth. Use shims to move the ring gear closer to the pinion gear to decrease backlash. 13. 009” backlash for street gear sets. 5 quarts of gear oil. 002" Ring gear backlash: . 552” on the pinion. 20 mm (0. 100-. Do this to set the initial backlash. Are you setting the pinion bearing preload to around 20 inch pounds every time you do a trial assembly? Oct 8, 2018 · An important step I like to take is to assemble the pinion and differential case without the crush sleeve or the new pinion nut. I'd add . 003 to . 101mm (0. For ring and pinions with dual ring gear bolt patterns, use the following recommended preload: 3/8” Bolts = 55 FT/LBS ; 7/16” Bolts = 75 FT/LBS” 1/2" Bolts = 135 FT/LBS Mar 23, 2011 · The ring gear will have written on its perimeter what the backlash should be for that particular ring and pinion set, and that's what you use the dial indicator for, to confirm backlash and runout (the runout is 0. 8” IRS 97 - 102 76 - 89 Jul 10, 2018 · I just changed the fluid on my rear diff and it contained a decent amount of small metal, so I pulled the cover to inspect. reiterate the identification process and show the subtle differences in setup of Face Milled and Face Hobbed gears. 8 Mustang, very similar to the GM, pic below is checking backlash: May 2, 2013 · Having lots of confusion adjusting backlash of the ring gear in my rear diff. 0043) Bearing preload (7. 006-. 015 Maximum Backlash Variation Between Teeth . HINT: Measure at all 4 locations. So I'm going to tackle this, to see whats up with it. 7" IRS 55 65 - 75 CHRYSLER 8. 010 TIR I also found that by setting the backlash at . If the backlash is not within the specified value, install a thrust washer of a different thickness. 005" to . Anybody have these specs for a E30 4. These are the last bolts you want working their way loose in your diff. 2. The gears were changed to 3. I knew mine had pics of the major steps. Face Hobbed / Two-Cut gears generally need to be set up with slightly less backlash than a traditional Face Milled / 5-Cut gearset. Hard to say until you can get the backlash tighter. 8 Specs Ring gear backlash (0. 55's, but the set up was not well done. 010” will generally effect backlash by roughly 0. The parts are smaller in size then the iron diff's. Filthy Motorsports carries a wide range of parts, gears, and upgrades for the GM 8. ) Ring Gear Backlash 0. With the pinion positively locked, this is easy. 7–3. Re-check backlash with the dial indicator as above. 10 open final drive. See full list on yukongear. Attach Ring Gear And Tighten Jul 22, 2016 · In order to double-check backlash, a magnetic-based dial indicator comes into play. 8 diff can be installed in any NA or NB, even a 1. My bearings don’t show any signs of wear and I made sure to preload my pinion bearings to about 10 in #s of torque to rotate. The 8. I have the entire procedure from straight from the dealer Tech Info System. these measurements should be checked with no seal in and just the pinion in the diff housing. Yes I said reading from the yoke. These Differential Set-Up Specifications are provided as a reference only. 010" It can be tricky to line up the dial indicator, so be careful doing that. 002 in) Differential case runout a — a Contact Spicer Service at 1-800-826-4357 for assistance if differential case runout is detected to determine cause. As for torque specs google found this. This video shows the effects of threaded adjuster and diffe Mar 8, 2020 · I have a 2014 ram 1500 torque specs for the differential Jump to Latest 15K views 1 reply 2 participants last post by 5. 10 gears and a Strange S-Trac limited-slip rear in a Dana 60 rearend using Jeff Smith’s Orange Peel 1966 Chevelle. 009", which is within limits, but just barely. Dec 26, 2009 · the specs for backlash on the 8. 008 so it’s pretty much perfect. Install six (eight on 915) new bearings, setting the differential bearing preload. 18–4. Using the dial indicator check the ring gear backlash. Backlash tip: Shim thickness changes of 0. I also have 15 in/lb of rotational force on the pinion bearing for preload. 10, 4. 5" front axles have a slightly different differential cover design with one bolt offset. 008 - . Use a dial indicator to check ring gear backlash in a differential's ring and pinion gear set. 13–0. 006 to . This is my only reference to them. 020 on the left and add . May 24, 2006 · I can put proper preload on the carrier bearings with any backlash you want or without the pinion even being installed. Differentials Open Differentials are the most basic type of differential. 0036-0. The bolts will break or strip the threads. Aug 7, 2006 · Bearing Preload Torque and Ring Gear Backlash Adjustment Use Wrench C-4164, or equivalent, to adjust each threaded adjuster inward until the differential bearing free-play is eliminated. Nov 23, 2010 · 21. 015 it should have. 75 mm) There are two types of R200 rear pinion bearings: Small one – 3812006P00, 3812006P10 Dec 29, 2018 · I’m regearing the front diff and I bought a set of G2 gears. INSTALL REAR DIFF. NOTE: Differential backlash is somewhat analogous to valve clearances. 08–0. Aug 3, 2014 · Setting back lash is a little different with the front diff. 7) Tighten the LEFT adjuster to 70 ft/lbs. lock position switch with a new gasket. Feb 1, 2019 · Ring Gear Backlash - . To increase backlash, decrease the shim on the left and increase by the same amount on the right. 008-0. My question is, after 93k Dec 26, 2019 · Regearing Chrysler 8. 8-inch differential primarily for its trucks, sport utility vehicles and vans, but some mid- and full-size Mercury cars also featured the equipment. 010 inch. the bearing preload on new bearings is 20-35 in-lbs on used bearings 6-10 in lbs but id advise not to use your old bearings backlash some people like there backlash at . I don't set the backlash any tighter than . Using a pointer style inch pound torque wrench, check the pinion rotational drag three or more times. In order to meet special needs, precision gears are used more frequently than ever before. It depends on how the gears are cut and lapped. oz. I can hear light periodic noise after diff warmup. Replace Races If Bearings Are Replaced. I checked the backlash and I have . Backlash specification is: * . 009 in most cases. 005 - . 70 Y (22–33 lb in) for the 195 mm rear differential or 3. S. 006 -. Apr 23, 2002 · C3 Tech/Performance - Need differential setup specs for 80-82 - I don't have a service manual for 80 - 82 diffs Anybody know the pinion/ring backlash range? I know they can be set up just by gear tooth pattern but I would like the spec as a reference point anyways. 0055in - Metric Mechanic believes ideal backlash is 0. 6 powered car, provided the associated 1. Pinion Etch- Indicator for proper pinion position shim stack up. Jun 18, 2006 · Backlash Specifications Description Specification Backlash between differential ring gear and pinion (0. HINT: Install the spider to the differential case tightly. This takes some getting used to the feel to get right. 0020 to 0. 004 Maximum Radial Runout of Companion Flange in Assembly . full install kit; ring & pinion sets; limited slip & posi trac units; diff cases & spyder gear kits; dana m210 Sep 5, 2010 · The backlash procedure is listed below. lb) bearing cap torque (ft. 008 to . 25 Differential https://youtu. Bearing 3. This tech tip will speak specifically to setting up the differential, and specifically the back lash, in a Midget converting to 3. 0035in, which falls well within the BMW TIS limits) Feb 7, 2023 · I had my son operate the adjuster tool, while I checked the backlash, and it all went very smoothly. 388. *Older "5-Cut" face milled gears have different set up specifications than the newer "2-Cut" face hobbed gears. Don't count the break away torque, just rotational drag. 1. 8 fl. Remove the bearing caps. 014. Loosen the right-side, tighten the left-side threaded adjuster. Deep pinion position, with correct backlash, moves the pinion closer to the ring gear. This allows you to put the pinion gear in, set the pinion bearing pre-load, set the backlash and then run a contact pattern without the chance of compressing the crush sleeve too much. 6. important in all differential designs. To make large backlash adjustments, you will need to index the adjusters in equal amounts. in the approximate position shown, reset pinion depth and backlash to correct pattern. There are plenty of youtube videos showing the backlash measurement, but not much on the use of the adjusters. 05 to 0. 002" max). forward and reverse, as well as to account for thermal expansion/contraction, and to allow lubricants access to the surfaces. Sep 9, 2005 · I've pinpointed it to the diff. 009" with less than . 8 with different gear ratios and number of gear teeth and splines are on the market. 251, RH 0. If excessive backlash, then adjust side shims to reduce backlash (or vice versa) to within specified range (0. Always be sure carrier bearings are pre-loaded. 1 mm Differential Setup Specifications. 01 in. Differential Carrier Assembly Remove Wheel Differential Note: Omit this step if the gear set is to be replaced. Each ring gear and pinion is developed to run at. Mar 31, 2015 · These are used to check the backlash of the gears and the thickness of the shims respectively. I have found the backlash will change about 0. 25 mm 0. 008. 75" (489) 45 90 DANA 36 Corvette 55 70 DANA 44 Corvette 55 60 DANA 60 110 85 FORD 8” 70 50 - 60 FORD 8. Record ring gear to pinion backlash readings at several points around ring gear for use during reassembly. It was around 0. Some backlash, aka "play", must be adjusted into a gearset to keep it from getting bound up, especially for a gearset like a rear differential that works in both directions, i. that's why they make the adjustable shim packs for the carrier bearings. 008 in) Backlash maximum variation between checkpoints 0. 010. 8 Rear Differential Information - Specifications Mar 30, 2012 · Noise: Banging or clunking while making a turn, backing up, or rapid deceleration (like on a freeway off-ramp). See tutorials and the FSM on more info on how to set backlash and contact patterns. 002 in) . 009" - very consistent. 008 +/-0. Check total preload and record. You will have to pry the differential out when the shims are tight enough. How To Fine Tune Backlash. 003in to 0. 2-inch “P-case” third member welded shut, and its Dana Spicer Powr-Lok limited slip differential armed with some new hardware, it was time to tackle the ring and pinion. This is where the men are separated from the boys we are taking torque and turning it 90 degrees and therefore need precision in the final part of these One of the critical measurements that must be made is setting your backlash. 001 in) RG Bolt Torque Bearing Cap Torque 15-35 10-20 5-7 103 63 Speci˜cations Setup Specs MFG by: American Axle & Manufacturing WestCoastDifferentials We Make The Difference! • RAM 1500 Front • RAM 2500 Front • RAM 3500 Front • Powerwagon Front 2006-2013 2003-2016 2003-2015 2005-2012 Dodge / RAM: differential pinion bearing preload new (in. ). Numerous versions of the 8. 55:1 ring and pinion but can be used as a general guide for all differential set ups. These were cheaper diff's made for very low powered mostly automatic vettes. Jun 4, 2007 · For comparison here is an 80-82 Differential. 1 - Part number 2 - Number of ring gear teeth Jul 30, 2009 · Diff Fluid Change How-To Stock rear 3. It's been this way since it was new, and hasn't gotten worse over time. A bearing preload is approx zero clearence plus . REMOVE DIFFERENTIAL CARRIER FROM OVERHAUL STAND, ETC. I want to bring the backlash down . 10 - 8. 14mm (0. Tends to be more variance here than at the pinion bearing. The pinion depth is probably pretty close. 016" at the indicator, you actually have 0. All you need is a ring-and-pinion set (if yours is worn out) from Richmond Gear, differential side and pinion bearings Aug 12, 2009 · The gear backlash measurement determines the thickness of the shim used on the ring gear side of the differential case. 1mm of backlash measured with indicator with the rear cover off. 0. com Aug 12, 2020 · Differential bearings R200 side bearings x2 38440N3110 (38440N3111), NSK R4511ASAU42, SKF 30209 (45x85x20. 009, but if yours says to run . Whats wrong with using an e30 diff? I'm on the search right now for the backlash specs for ya. You want to be within the specs listed in this chapter. Feb 3, 2012 · I put my diff to the car with 0. 5. If not, increase the torque on the right adjuster, reseat the bearings as in step 2 and recheck the backlash. So, I need to reduce . 5 quarts of gear oil Differential Friction Modifier • Required for clutch-type limited slip differentials • One entire bottle (3. 8” 70 70 - 85 FORD SUPER 8. Read More Nov 21, 2018 · Car Craft shows how to upgrade to 4. Dec 25, 2019 · Regearing Chrysler 8. Tap the yoke onto the end of the pinion shaft and run the pinion nut down as much as you can by hand. 010 but i like mine set between . Tooth pattern youll have to fine tune. 008" Diff case ring gear flange runout: . Jun 19, 2022 · If this helps youI measured backlash between the pinion and ring gear in my old 3. Ring gear bolt torque: 105 Ft. Check back lash by taking the yoke reading and dividing by 2, this will give you the proper backlash. I talked to the local dealer and the BMW TIS only goes back to the E36. Repeat until the backlash is in spec. torque wrench, check total differential preload. Once done setting backlash and performing the pattern tests, install the adjuster lock tabs back on the carrier bearing caps. 020 on the right. Though these integral carrier rearends didn’t change much Note that both inadequate and excessive backlash can cause varying mechanical noises. Some books give exact specifications of how much preload to add to the carrier bearings. Well now I'm having the same problems again with the clunking and howling. 010", for 2 cut gears the spec is . 004 where 5 cut gears run backlash around . . The diff was totaly OK and ran flawlessly. Now comes the part that’s a bit more art than science. Differential Pinion Mate Gear Differential Pinion Mate Shaft Differential Outboard Spacer (if used) Item 20 21 22 Part Description D ifferential Bearing Cup Differential Bearing Cone Differential Bearing Preload and Backlash Shims 23 Ring Gear Screw 24 Differential Case 25 Roll Pin (Pinion Mate Shaft) 26 RTV Sealant Dec 6, 2004 · 1997-2006 Expedition & Navigator - Rear End Backlash Adjustment - I believe I've finally located the source of my clunky drive line. When i set the ring gear into the diff, one of my questions was when do I tq the bearing caps. 5 usually needs around . 005–0. S15 is a regular R200 diff case so all S13/S14/R32/R33 diff ratios fits yours. 3031) Bearing cap bolt torque (27-38 ft-lb) Jan 15, 2015 · Backlash specs for 5 cut gears is . 003 inch (0. Is there any service manuals that cover the specs of the diff, backlash, ect? The GM service manual covers very little about the diff. 06mm to 0. 2 — 20 Upper suspension arm 175 129 — 205-S127 nut Differential bearing cap105 77 — Trailing arm nut 175 129 — bolts Rear support brace 63 46 — Differential ring gear 105 77 — bolts 3. 4). 4. To adjust backlash, you change the shims on the carrier. inside the differential housing, all mounted on the differential carrier case bolted to the housing. 9- w/o Pin Support. Torque Specs for diff to car: the 4 diff mount to body bolts are 26 ft/lb then 60* the 4 diff to x-member bolts are 66 ft/lb. (1. They are DANA, have issues with the axles, bearing caps, and clutch retainers. 008" now. If in doubt, consult our staff of differential parts specialists. 076 mm) Mark the gears so the same teeth are meshed during all backlash measurements. 25 is that it needs to be between 6 and 10 thousandths carrier bearing preload - just means how tight the carrier fits in the housing an is set simultaneously with backlash , on models with shims, carrier bearing preload is important for a strong setup. 020 backlash, which I think is too much. 204-0. If I increase my backlash to get say 8-10 thou I'm going to move my pattern farther towards the heel which I don't really want. The other specs are not too far out. Products include ring and pinion sets, installation kits and axle shafts for GM, Ford, Chrysler, Jeep, and Toyota vehicles. Strange Engineering offers differentials and spools from Strange (of course!), Eaton, Auburn, Spicer, U. 10. Some of the technical issues start with the shop not fully understanding pinion depth, backlash and gear patterns; production differences between various gear-set manufacturers create other issues. *Note that this distance is best measured with a dial gauge set up at right angles to a ring gear tooth. 003” increments to notice a pattern change. It is a press fit, so you can use a hydraulic press (shown) or an arbor press. ring & pinion set; bearing & install kit; posi & limited slip; dana m200. 05 mm (0. 305mm (0. 25mm) between the ring and pinion gear. 56 Ring Gear Diameter 235 mm (9. 18 mm 0. The backlash is set at between . If using shims: Adding shims on the ring-gear’s smooth side of the carrier moves the ring-gear closer to the pinion, causing the teeth to mesh tighter, decreasing the amount the backlash. ) If the backlash is not within the specification, install an adjusting shim of a different thickness. 0039-. Rotate the ring gear and carrier back and forth through the free play only. be/xi-2YYgI35cYukon Gear & Axle (YG C8. 5 Maximum recommended tire size 35" Zero the gauge with the ring gear pulled away from the gauge. They have been compiled from data provided by vehicle and axle manufacturers. While they may look similar from the outside, the internal components, including ring and pinion gears are not interchangeable so make sure that you know which model you have before ordering parts. Sierra Gear & Axle parts are designed and engineered to the highest quality specifications for use in street, off-road and performance environments. 3 Y 10–20 lb in 48 Ring Gear Backlash 49 Gear Set Tooth Contact Patterns (Backlash) 52 Installation Thrust Screw (If Equipped) 53 Differential Carrier into the Axle Housing 56 Section 6: Driver-Controlled Main Differential Lock Description 58 Vehicle Towing Removal Differential Carrier from the Axle Housing Axle Setup for DCDL Disassembly Nov 21, 2003 · I'm putting a LSD clutch pack from a 325e into a 4. Observations Differential Preload, Backlash and Torque Specifications. Remove the differential bearing adjuster nut retainers. STEP 3: Pry out differential case, differential bearing cups and differential bearing shims until they are loose in the bearing caps. Adjust Ring Gear Position (Backlash) . Since newTIS isn't available anymore, I wanted to see if anyone has info they may have that can help. 007” to . You may even end up having to replace the whole differential. lb) backlash (. Mar 8, 2021 · Ring and pinion backlash refers to the amount of play between the gears. General Specifications Description Specification Backlash between differential ring gear and pinion 0. Can I just pull the carrier and re-shim closer to the pinion a bit tighter without a total overhaul? Jul 7, 2014 · Set the gears by the manufacturer's specs. 040 pinion shim. If it should turn out to have interference fit or too little clearance for the teeth, adjust side shims to move the ring gear over a bit to get some tooth clearance. 8. Apr 1, 2000 · Rebuilding Ford’s venerable 8-inch third member is straightforward. Feb 1, 2021 · Hello guys, I just wanted to reach out to see if anyone here has rebuilt a differential and if they have the information on backlash specs, pinion preload, carrier preload and any additional info to rebuild the diff. Changed the fluid, still the same thing. The following are recommended Differential Set-Up Specifications for various differentials. What is backlash? When you turn the pinion on your differential it will turn a specific amount of space before it actually contacts the the ring gear to turn your axles. 076 mm (0. Ford developed the 8. . Dec 12, 2016 · le Preload and Backlash Specifications Axle Preload and Backlash Specifications Application Specification Metric English Backlash 0. 012"(using Yukon quoted figures), so I am below spec for the 2 cut gears by a couple of thou. Oct 17, 2022 · Once the backlash and pinion depth meet tolerances, remove the carrier and establish the final pinion bearing preload. This differential is so constructed that the bevel pinion bearing preload is adjusted by tightening the bevel pinion nut to compress the spacer. If in doubt, consult the Differential Set-Up Specifications provided in the factory service manual for the vehicle you are working on. or 0. 18 mm (0. if you have never Note: Some older GM 8. Noise gets worse in warmer weather Cause: Posi chatter due to improper lubrication; worn clutches or spider gears; improper assembly Oct 27, 2016 · If you don’t do this before you close everything up, you’re most likely going to eat those new gears and end up having to go through the whole process again. 003-. 006" Diff Cover - 25-30 ft/lbs PTQR - 7. Aug 16, 2021 · With the hole in my 1961 Impala’s 8. Oct 25, 2020 · Educational exercise for students to understand differential backlash measurement and adjustment. 500 in) Maximum differential housing spread 0. Once you have installed and set the proper pinion gear depth with either a pinion depth gauge or by the pattern revealed when using a gear marking compound, it’s time to address backlash. 05 backlash (so everything like in original diff) and drove 80 km. which is a 10. Nov 25, 2009 · The differential experts say this type of cruise noise is usually caused from inadequate pinion preload or bad pinion bearings. note: to perform this rebuild, you should have a shop manual that lists torque specs, a full size floor jack , two (3 ton min) jack stands, a dial indicator with magnetic/static base, a vierner caliper, gear pattern grease, "red" grade thread locker. Increasing backlash moves the ring gear away from the pinion. Oct 13, 2010 · To determine the backlash, take the yoke measurement and DIVIDE IT BY 2. 25. 71 Install and Adjust Wheel Differential Lock . 001 in) RG Bolt Torque Bearing Cap Torque 25-45 10-20 5-7 175 175 Speci˜cations Setup Specs AAM 11. ASSEMBLE DIFFERENTIAL CASE (a) Reinstall the spider to the differential case. 003 in) Housing spreader adapter thread engagement 12. DIFFERENTIAL BEARING PRELOAD AND GEAR BACKLASH The following must be considered when adjusting bearing preload and gear backlash: The maximum ring gear backlash variation is 0. If you are at the desired backlash and zero bearing clearence you could add . Backlash Etch- Indicates backlash setting for assembly. The following are recommended differential setup specifications for popular differentials. This was my first ever attempt at this task, so I read over the procedure in the Chevrolet 1961 Impala shop… Feb 15, 2013 · I need to know what the backlash for the dana 35 and the pinion perload can someone please tell or whst to find it . This is a pretty hefty torque and I'm concerned that this may be more than what was required to crush the sleeve to achieve the proper pre-load and going to a higher torque will crush it further increasing pre-load. Step:18 Measure Backlash. Rotate the gear forward until it contacts the pinion gear. 25-456) Ring & Pinion Gear Set for Chrysler 8. ) is required in addition to the 2. If you are re-gearing to a different ratio, call this number and get your specs: To install your ring and pinion gears and/or differential correctly, it is critical to torque your bolts and set your preload and backlash correctly. 4-1. Differential Bearing Preload . 008 in) Backlash maximum variation between checkpoints (0. 007 in Pinion Bearing Preload, New Bearings 1. Install side bearing caps and torque bolts to specifications. 006”-0. 10 unit? gear and carrier into housing to check backlash. 875" 12 Bolt axle including ring and pinion sets, axle rebuilt kits and bearings, differential covers, upgraded axle shafts, heavy duty u-joints, oil, and more. Shim 7 Oct 23, 2023 · You are likely to not get backlash to come out right with factory carrier shims. Jan 5, 2017 · Both C2 and C3 Corvettes, spanning 1963-’82, share what’s basically the same independent rear suspension and differential package. Apr 21, 2009 · Using an INCH-lb. 56 gears. You need to know which gear you have before setting the backlash. if preload is too loose you will be likely to spin bearings Feb 25, 2011 · If the bearings have been used at all, set them to "used bearing" specs. 6 driveshaft and half shafts, and the 1. lb) So a 1. 6 diffs came with two piece half shafts , that being a pair of stub shafts in the diff and then half shafts to the hub with a May 1, 2017 · Backlash Specifications Ring gear backlash 0. The carrier Backlash (. Press the differential bearing onto the differential case. If a pattern is heavy toe, subtract shims (See Fig. Make sure that you install the bearing in the correct orientation. 25-inch differential found in Dodge 2500 and 3500 trucks from 1994 through 2009. Backlash is pretty easy to set; the process of how to set it varies depending on what type of differential you’ve got. To set backlash and side bearing preload subtract . 4. 2. Make sure you hand this job to a skilled mechanic, because correct shimming of the diff is really important and will fuck up all internals if done wrong. I have the pinion depth set within . But no whine noise during accelerating or decelerating or turning. 0024in to 0. 004" from left shim pack and add . 003–0. I checked my shim thickness, LH 0. 015. Using a dial indicator, measure the side gear backlash while holding the side gear spider. May 8, 2011 · Here are some important specs for E36 188mm differentials (others similar): Ring and Pinion Backlash = 0. Inadequate carrier bearing preload allows the carrier to move when under load and this can cause the backlash to open up. 007 and no more than . DATE MATCHED SET NUMBER PART NUMBER TOOTH COMBINATION 41-11 260 SPICER TRADEMARK +15 L10 PINION ETCH BACKLASH ETCH 260 Options (N = *No-SPIN® Differential) Family May 15, 2006 · Backlash Between Ring Gear and Pinion Teeth . 7 Y (28–42 lb in) for the 218 mm rear differential is achieved. Jul 21, 2020 · I am replacing all the bearings in the rear end and was hoping someone had the factory specs for the backlash, pre load and any other specified torque Numbers I drive a 1995 4 runner with the 3. axle output & intermediate shafts, cv axles & seals; ring gear kits (gear,diff case, install kit) dana. Standard differential covers will still fit these axles when that one bolt is not used (or re-drilled). Thank Mar 24, 2015 · Once pinion depth has been set, a final backlash setting can be achieved by adjusting the location of the differential and ring gear. Slide the crush sleeve onto the pinion shaft and install the pinion into the differential. Some gears are made to run tighter than others. I believe a clear indication of pinion depth can only be obtained when the backlash is within, or very close to specifications. 010” from the ring gear side of the carrier and move it to the opposite side. 6 Specs 1. Oil seal 2. To decrease, do it the opposite way. Once the backlash has been set, the carrier bearing preload can be added. Drive Patternmoves deeper on the tooth (flank contact) and slightly toward the toe. Mount dial indicator on gear carrier gasket surface. 2006 4x4 F-250 CCSB Bulletproofed 6. the 9" ford rear is a model of simplicity for adjustment of pinion depth and setting backlash. lbs. 12&up chrysler zf 215mm ifs reverse ft diff. Yukon gears run with more backlash than most others. Jul 17, 2023 · Backlash is listed as . Place the diff on a good solid workbench, with a dial indicator reading the yoke. Remove the pinion and axle flange seals and measure the differential bearing running torque. The following table contains the proper specifications for all popular axles. Dec 15, 2019 · 6) Check the ring gear backlash at the point of minimum backlash, it should be . In other words, if you tighten one side, you will need to loosen the other side the same amount. Allow some ring gear backlash (approximately 0. 762 mm (0. Remove the differential bearing adjuster nut retainers bolts. Mar 22, 2020 · If the carrier has to be moved to set the backlash, it is easier to remove if the preload is not too tight. I find that the given specs are not always easy to measure or achieve. Sep 1, 2021 · Once the backlash and pinion depth meet tolerances, remove the carrier and establish the final pinion bearing preload. I've seen backlash specs from . Recheck backlash. Oct 1, 2012 · The unit that seems to create most of the tech traffic is the Dodge 9. Total preload should be 12-15 INCH lbs. 150 mm). 012in) Ring gear maximum backlash between teeth 0. m). 007”. taytuc kcdfu xdxxn kzzz xxqqompd jxposx ndijffy xnkjpn wix njvaw
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