Pinion Nut FT. LBS. Just get a couple sacrificial pinion bearings and open them up a little so you don't have to press them on and off the pinion and add/remove shims until you get the correct preload shown on page 2 of the set up manual. You can use this instead of the crush sleeve. 8 to 11 in-lbs. Try our Differential Gear Calculator. Sure, you know whats in there and what it does but are you willing to tear into it and rebuild the differential? Rightfully so, because when comparing the 10 and 12-bolt units, its definitely the more durable of the two. You have to do it a little differently though. . Speedway also offers the . On the other hand, if the preload is set too loose it can cause a whining noise to originate from within the rear end as well as abnormal gear wear due to excessive movement between the two components - eventually leading to failure. Cover Bolts: 25 ft lbs. If it takes a 5/16-inch wrench to remove it, its an 8.5. Ford 9 inch torque specs; Gear Ratio Calculator; Order Forms. When the preload of the pinion bearings is incorrectly adjusted, it can have serious consequences. This is all with the old crush sleeve. Nut secures driveshaft yoke to pinion gear. The carrier bearing rides in the races and you will snap the bolt off before you warp or crack the races. Therefore, when building a performance car or truck that will be subjected to higher than normal stresses and torque loads, such as those produced by high horse power engines or increased traction created by sticky drag racing tires, it may be beneficial to choose a 12-bolt instead of a 10-bolt axle assembly in order to ensure maximum strength and reliability. 1989 Toyota Pickup/3vze/R150F/Dual RF1A's/8.0 Detroit/8.0 Detroit/5" SAS/38 TSL'S. The 7.5 rearend uses an oval cover and the housing has two small cast-in protrusions near two of the bottom cover bolts. Follow along as Zach works over the old 10 bolt and brings it back to life. Just think, now when you and Drew drive out to Moab, you can sit and take a nap every other time Drew has to fuel. Reply Quote. When a very slight increase in pinion turning effort is noted, check the pinion rotating torque using an inch-pound torque wrench. How do you fix a loose pinion bearing preload? Sie Bear Caps FT. LBS; AMC 20 A forum community dedicated to GMC and Chevy full size owners and enthusiasts. That is theimpetus for why we decided to put this swap meet/junkyard identification guide together. Too much won't hurt anything other than break the bolt. There is a difference, but you cant see it unless you set both units on their side, and then measure the distance from that surface to the face where the ring gear attaches. When it comes to Chevrolet rearends, its the 12-bolt that seems to get all the accolades. This gives us confidence in the quality of the parts we sell. DIFF MODEL. That being said, limited gear sets are offered for the carriers, especially if you plan to change gear ratios. Once you have obtained your desired setting, it is important to apply preload while rotating the pinion in order to ensure proper engagement with its mating components. Inside the 8.2-inch 10-bolt, the ring-gear bolts have 9/16-inch socket heads with 3/8-24 left-hand threads. havent done it, but i have the haynes repair manual and ill type out the steps for you, may take me a second though. minimum is 181 ft-lbs., maximum 325 ft-lbs., keep cranking till you get within the range of 7.8-11.3 in-lbs of preload torque on the pinion. The reason why it's so hard to turn the pinion nut is because not only are you crushing the crush collar but you're also pressing the outer pinion bearing onto the pinion gear. However, the gears will not interchange with a Chevy 8.2. The 8.5-inch 10-bolt rearends have ten 3/4-inch hex head bolts with 7/16-20-inch left-hand thread bolts that hold the ring gear to the carrier. If you find a rearend that uses a large spring perch like this, it is from either an X or F-Body. 2008 Sprinter 2500 170 - camper van. May 22, 2021 / extended cab crew cab p 14 8 6 gm rear axle specifications 10 bolt cont, what are the torque specs on silverado rear diff cover you need rear axle pinion nut torque specs for a 98 chevy 12 ton pickup 2wd the nut is generally torqued to 260 300 ft lbs or 25 inch, proper torque specs for 2002 chevy silverado 1500 44 hub assembly to steering . The 8.5-inch and 8.6-inch 10-bolt rears are stout and effective differentials that can handle more power than either the 7.5 or 8.2-inch rears. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. It's essential that you use enough force while tightening down the pinion nut so that your component will stay securely attached; however, it's equally important not to over-torque the part, which could cause permanent damage or deformation. Here is my related question at almost 1 a.m. and torn down in driveway need to get to work: There was quite a chance that you have crushed the sleeve beyond the preload spec to make it hard to turn. Zach got enlisted by a friend to help rebuild the 7.5" factory 10 Bolt rear in the G-Body Monte that he is working on, so naturally it became a teaching moment. 8-11 in/lbs for broken in bearings is acceptable. JavaScript is disabled. That way, you dont unknowingly spend money on something you really do not want. Not only was the 10-bolt assembly used in low performance applications, but it was also utilized in a variety of different vehicles ranging from Camaros, Chevelles and Impalas to even the earlier Chevy IIs. . When working on the assembly of a differential, there are two methods for adjusting the pinion depth. Usually, when people are discussing gear ratios, theyre referring to the relationship between a pinion gear and a spur gear. Mine is leaking. 3/8" T-bolt - 30 ft lbs. The number of teeth on each of these gears determines how much rotational force is converted into torque or speed. Upgrade your cam, intake, headers, stall converter, and the list goes on from there. Free Shipping - Yukon Gear & Axle Crush Sleeve Eliminator Kits with qualifying orders of $99. Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility. Find out how to access AutoZone's Torque Specifications Repair Guide for 300, 300C & Magnum 2006-2008, Charger 2006-2008. But for all intents and purposes, the 10-bolt rearend is a great unit for a street/strip car, and can be stout enough to handle even the occasional abuse delivered by use at the racetrack. lbs.) If you installed a new seal, add 1 or 2 in-oz. Here are the thin shims from the Summit crush sleeve eliminator. If you locate a rearend that has coil spring perches, it could be from a G, A, B-body, or El Camino. From there I make very minute changes, checking the pre load with the inch lb torque wrench several times. Pin. While engine power is an indicator of a vehicle's ability to accelerate quickly and reach high top speeds, torque is an indication of how efficiently it can move. If a bearing system is designed to have no clearance, then preloading is necessary. You can rest assured knowing that your axle is secured with this high quality product. Both axles use a third member that contains the differential, which is made up of the . Gear Ratio Finder - Find the ideal axle gear ratio for your new larger or smaller tires. ALL72156. If youre building a street car and want to improve performance, we all know the drill. This high quality product ensures that your vehicle's rear axle assembly will remain securely fastened and properly aligned during operation, giving you peace of mind when driving on the roads or tracks. Used bearings 10 to 14 inch pounds. **Note the Pinion nut is in INCH pounds Ring Gear Bolts = 55 lb. This results in improved performance, longer life span and more efficient operation of the system. big gear head. It is important to follow the instructions that came with your differential cover, as torque specifications can vary drastically depending on the material and grade of fastener used as well as the material of the diff cover itself. Axle Type Cover Bolts FT. LBS. Save Share. Carrier Cap Bolts. Shop Differential Pinion Bearing Spacers and Sleeves at Summit Racing. The amount of backlash varies depending on the quality and cost of the gearhead; more expensive precision gearheads have nearly zero backlash, while an inexpensive model may have as much as one degree or more. For 30 spline pinion axles, PYN10 offers a 10-bolt 8.5" pinion nut that is designed to provide secure and reliable performance in the toughest of conditions. Sierra Gear & Axle parts are designed and engineered to the highest quality specifications for use in street, off-road and performance environments. The pinion nut should then be secured and tightened until there is no bearing play at all. The easiest way to tell the difference is by looking at the brakes. How Much Hp Can Stock 5.3 Injectors Handle, What Kind Of Gas Does A Jeep Cherokee Take, Popping Noise When Accelerating And Braking. This means that extra care and attention needs to be taken when installing these components so that they do not become damaged or rendered unusable. Check the pinion preload by rotating the pinion with a torque wrench. I like to slowly tighten the new pinion nut until I take up all of the front to back free play. There is no way to happiness.happiness is the way. tighten the nut down till its snug and put on your torque wrench and turn it about 3 revolutions. TORQUE-TENSION REFERENCE GUIDE Printed in U.S.A. Supply Part Number: 9702365 AS 06/14 Torque Poster . Many times when you are rebuilding an existing rear end you want to save the original pinion bearing shim and re use it under the new bearing. 1. These are two pinion gears for the 8.5-inch 10-bolt. GM 8.6" gears will fit GM 8.5" axles and as such have become the universal aftermarket size for both. Well show you what to look for in this buyers guide. Additionally, it increases load capacity because it prevents misalignment due to vibration or thermal expansion of components. If your just swapping the pinion yoke out or putting in a new pinion seal and your re-using the old crush collar, just tighten the nut back down till ALL the slop is gone and then tighten about a 1/4 turn more to make sure there is tension on the old crush collar. While this article focuses specifically on the GM 8.5 10-bolt rear differential, the parts and processes described herein cover most differential housings.Built from the 1970s through today (the 8.6" 10-bolt is still used in most GM . With its strong construction and corrosion resistant coating, the PYN10 provides reliable performance for years to come, making it one of the best choices you can make when securing your vehicle's rear axle assembly. Doing a gear ratio change but not sure what you want? These protrusions are larger than those on the 7.5 rearend. Some of the most popular GM vehicles have come with 10-bolt rear ends. Camshaft thrust Plate bolts 106 in-lbs. It is not an uncommon sight to see a Yukon Gear Pinion Nut when it comes to automotive repairs. For a better experience, please enable JavaScript in your browser before proceeding. Tighten nut until it takes 15-20 inch lbs of torque to rotate the pinion bearings: None: Self Locking Nut . The specified preload needs to be obtained by carefully crushing the spacer with just enough force from turning the pinion nut in order for it not to be too loose or too tight, as either one can cause serious damage if done incorrectly. Have a seal puller if possible, makes getting the old one out a lot easier. Axle Retainer Plate Nuts: 3/8" T-bolts - 30 ft lbs. This process must be done carefully, gradually increasing the tightness of the nut in increments until it reaches the desired torque level required to rotate the pinion correctly. Dana Technical Service Specs. When compressing the crush sleeve, many guys use an impact wrench and end up crushing it too far, ruining the sleeve. The control arm-mounting ears on top of this 7.5 rearend denotes it is usable for any 1978-88 GM A or G-body intermediate like a Cutlass, Monte Carlo, El Camino, Malibu, Regal, or Grand Prix. Many mechanics use an impact gun while others insist the nut should be torqued by hand. By doing this, it allows for the desired amount of pressure or preload to be applied on these bearings so they are able to work in harmony with each other within their particular drivetrain system. if it is under twents hold the yoke with a pipe wrench and tighten just a little at at time till the torque wrench reads a constant 20 inch pounds for the revolutions. Ring and Pinion Ratio Variations - An explanation of why some ring and pinion gear ratios vary. Generally speaking, these torque specifications will fall between 20-30 ft/lbs; however, for most applications ARB recommends a torque specification of right around 25 ft/lbs. Once you get close to the right pinion preload, shim thickness adjustments need to be made in the .003 and down range to make adjustments, small increments make a big difference in pinion preload. With the exception of truck differentials with 30-spline axles, andthosecarrying 2.41 and 2.73 gears (series two), the differentials will support all gear ratios without having to change carriers. This difference can cause issues with accuracy and repeatability in some applications, necessitating either higher-end components or additional compensation mechanisms. With one nut per package and a 7/8-16 thread size, this pinion nut is made from strong steel and has a sleek black finish for a nice look. Chrysler 300 and Dodge Charger 2006-2008 Torque Specifications Repair Guide. We look forward to serving you! This heavy duty nut has been designed using high grade steel and features a zinc plated finish for maximum protection against rust and corrosion. This is a metal spacer, usually made of brass or aluminum, that is used to put tension between the bearings in order to keep them properly spaced and aligned. The 10-bolt GM rear end has been used in many different applications since its introduction in 1968 and continues to be highly regarded as one of the toughest axles available today due to its proven durability and versatility over decades of use in a variety of situations requiring extreme performance requirements from street racing too off roading adventures. On the other hand, if your backlash is too wide you will need to adjust by moving the carrier towards the pinion with a similar measurement technique. Inside the 8.2-inch 10-bolt, the ring-gear bolts have 9/16-inch socket heads with 3/8-24 left-hand threads. Maintaining your car's paint finish is essential to keep it looking great. Not only will you be getting the best quality performance with JEGS Pinion Nut, but you'll also have the convenience of knowing it's made to fit GM 8.875 inch 12-bolt car and truck axles. on old bearings. It also uses a 10 5/8-inch irregular-shaped cover. The easiest way to identify the 8.2-inch rearend at a glance is by the shape of the housing and the spacing between the lower bolts on the cover. It first appeared in 1970 production cars as a corporate replacement for the 8.2-inch 10-bolt rearend. So, in order to adjust the pinion bearing pre-load, shims of varying thicknesses are inserted into pre-load retainers. There were an untold number of 8.2-inch axle assemblies built, and although it is only marginally stronger than the 7.5-inch rearend, it does have some aftermarket support. The tension between the bearings of a crush sleeve is a very important factor in its performance, as it helps to ensure that the bearing stays correctly set and does not move or become misaligned. Part Number. Some builders . The reliability of the axle tube and . This ring and pinion install kit comes with new pinion bearings, carrier bearings, races, crush sleeve, pinion nut, pinion seal, a gasket and even has the gear marking grease included. 14 TO 19. Pinion nut torque (shimmed preload style): 250 ft*lb. The torque it takes to crush . FOR 1994-2001 CHEVY S10's & GMC SONOMA's. **ALL TORQUE SPECS ARE PER GM FACTORY & HAYNES MANUAL**. Next we disassembled everything, starting with the cross pin bolt, cross pin and C clips. Here's a link to when I did mine. Our custom-length driveshaft kits make it a breeze to get the perfect 67-72 C10 driveshaft length. Pinion Nut Size: 1-1/4" Featured Products: GM 8.2"/8.5"/8.6" (Chevy) 10 Bolt / Aluminum Girdle Cover / TA Performance / TA_1807 . . Whilethe 10-bolt rearendslineage can be identified by the code stamps, which are usually on the passengers side axle tube, there are literally hundreds ofpotential codes for the three different 10-bolt rearend housings. This will help ensure that there isn't an excess of tension on these components, which can lead to premature wear or even failure. It involves placing a collapsible spacer between the bearings of the pinion gear, then using a torque wrench to tighten the pinion nut until it reaches the correct amount of pressure or preload on the bearings. Oct 20, 2011. Step 3: Back off 3/8-turn for automatic hubs, and just enough to free the bearing for manual hubs. West Coast Differentials has been distributing quality differential and axle parts since 1982. Ring gear bolt torque: 110 ft*lb. It is estimated that this specific axle saw use on over 11 million vehicles during its reign of production making it one of the most popular axles ever created by GM for their consumer market line up. 2 ways. 8-Inch Ford Rear End Torque Specifications. SPEC Clutches: For That Next Engine Swap Or OEM, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop, Moroso Anti-Roll Kit Is The Right Tool For The, Steer Your Classic Ride Straight With A New CPP Steering, NEW LS Bellhousing For Magnum And T56-Shifted Hot, Fenix Is A Next-Gen 69 Camaro With 1,180, A Brothers Quarrel Results In This Fine 1955 Chevy, Is This Barn Find The Worlds First Corvette? Peter - I'm retired but work part time as a pain in the ass. Over 6,000 Automotive Torque Specs. I then assembled the pinion, inner bearing, shim pack in the carrier then pressed on the outer bearing using a 20 t press then installed the yoke washer and nut.