pinion nut torque specs gm 10 bolt pinion nut torque specs gm 10 bolt

You have to do it a little differently though. 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. Step 1: To seat, torque nut to 50 (lb-ft) while . Chevy Hardcore NEWSLETTER - SIGN UP FREE! Speedway Motors employees enjoy not only helping our customers, but also turning some wrenches in their downtime as well. On the other hand, reducing the size of the pinion or increasing the size of spur gear will result in decreased top speed but with an increase in acceleration. Skip to main content. when assembling the pinion into place, include the crush sleeve between the two pinion bearings. This article is a compilation of information and and specs relating to the venerable GM Corporate 14 Bolt full-floating rear axle - also referred to as the 10.5" (after the size of the ring gear in inches) or just simply the "14b" for short. A 2.6-3.0 gear ratio range is perfect for flat places and most people find this ratio suitable for their needs. 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. Pinion preload (used bearings): 8 - 10 in*lb. Usually, when people are discussing gear ratios, theyre referring to the relationship between a pinion gear and a spur gear. It was first developed for racing cars where superior control on fast corners is essential for success; however, today torque vectoring differentials can be found in many production vehicles as well due to their exceptional performance benefits. 8-10 ft lbs: None: None: GM 12 Bolt Car: Torque: Lubricant: Thread Locker: Main Caps: OEM Housing: . Not sure what to do here but I know I'm looking at a boat load of parts I do not have the money for right now so not sure what the hell I'm going to do. Automotive Chassis Torque Specs. We think top-notch customer service is the most important thing we do. The pinion bearing preload is an important component of the drivetrain system, as it works to ensure that the pinion gear's tapered bearings are running smoothly and efficiently. Camshaft thrust Plate bolts 106 in-lbs. I got the price for the seal, and it is near $9. Original gear ratios in pickups can range from 2.41:1 all the way up to 4.10:1, offering a wide variety of options depending on your needs and preferences. Here's a link to when I did mine. As an added reference, Speedway Motors also offers a great book from CarTech, titled "High-Performance Differentials, Axles & Drivelines" that helps with step by step breakdowns of the process. One thing often overlooked is the RTV sealant that needs to be applied to the splines (otherwise rear end grease can leak past the splines), and locktite on the new pinion nut. GM 8.5" 10 Bolt / Ring & Pinion Gear Set w/ Master Bearing . 2023 Power Automedia. Gear Ratio Calculator - Calculate the gear ratio of gears based on their tooth count. The pinion diameter is 1.438 inches, and has 25 splines. Free Shipping - Yukon Gear & Axle Crush Sleeve Eliminator Kits with qualifying orders of $99. Torque is a measure of rotational force that must be applied in order to secure components such as axles and other parts together. Some builders . and 12 bolt #s. found these #s at Richmond Gear: Torque specifications. Is a GM 10 bolt rear end good? increments until rotating torque is achieved. It doesn't have to be hard, and we offer some tips to keep your car's finish in top shape. This tension is achieved through a collapsible spacer which is placed between the bearings and then compressed by turning the pinion gear nut. 5 - 8 : Ring Gear Bolt Torque (Foot lbs) 120 : Bearing Cap Torque (Foot lbs) 135 : Pinion Nut Torque: Tighten as necessary to obtain correct preload: Pinion Bearing Retainer Torque (Foot lbs) :65 : . stock 4L60E on 5th filter/fluid change; 2nd set of drive shaft u . On the other hand, if there is too much backlash then this will also lead to excessive mechanical wear due to increased friction and noise as the teeth continually rub against each other. 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. Im gonna go buy a good manual for shit like this. When working on the assembly of a differential, there are two methods for adjusting the pinion depth. with an impact. 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. The axle shafts are also held in place by four-bolt retainer plates at the outer bearing, not C-clips. I have a 2004 Chevy Silverado 1500, 4.8L engine, 4x4, single cab, 6' bed, what are the torque specs for the drive shaft bolts that bolt the drive shaft into the rear end yolk? This is very important, because if you go too far the crush sleeve will be ruined. Then use lock-tight on the threads and tighten the nut back to where it was. Good luck finding one of these, however, as they are very popular among performance enthusiasts. OEM bolts have thread locker on the threads. 2008 Sprinter 2500 170 - camper van. The "feel" people are way more experienced that you or I so the top one is re-commended. How tight should a pinion nut be? I have seen the ring gear bolts, pinion nut and retaining bolt come loose, but never a bearing cap bolt. Again, this would be okay in a daily driver or cruiser application, but if installed behind an engine with horsepower numbers climbing into the 400 range, you can plan on an eventual failure. I used an 18" breaker bar with a 2 foot pipe on the end of it in order . It also has an inner diameter of 1 . Currie 60/70 : Torque . Our LS swap adapter kits make it easy! Nut secures driveshaft yoke to pinion gear. The PYN10 pinion nut has been specifically designed to fit 30 spline pinions and provide a secure fit and lasting performance. Take Zach R. for instance. 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. This is especially true when it comes to cycling. Speedway also offers the . Would this be the same How to write up for my truck? After that we removed the old bearings and cleaned all the parts up in the solvent tank. It saved me time and effort trying to crush a brand new crush sleeve. The X and F-body spring perches come in two versions: mono-leaf (left) which is shallower than the multi-leaf (right). lbs. 1. remove d shaft straps push shaft aside. Rancho Cordova, CA 95742, Bearing Preload, Backlash and Torque Specifications. Is that really all it takes? A higher engine power combined with more torque enables cars to accelerate faster while using less fuel - making it much more efficient and cost-effective in the long run. havent done it, but i have the haynes repair manual and ill type out the steps for you, may take me a second though. DIFF MODEL. Tighten nut until it takes 15-20 inch lbs of torque to rotate the pinion bearings: None: Self Locking Nut . One will want to torque the pinion nut to 190- 240 ft lbs (Small Diff's) D60 and larger 225 -350 Ft lbs with the proper preload achieved. Some pinion nuts require a special procedure to be properly installed. GM 8.875" 12 Bolt Differential Ring Gear and Pinion Set. By reducing the amount of free play between components, preloaded bearings can provide greater accuracy and quieter operation than standard ball bearings with clearances. You can replace the pinion seal without changing the crush sleeve. Its strength and durability make it an ideal choice for those who want to take their car out for some fun on the track without having to worry about its performance or reliability. .006" to .010" 120 ft-lbs. Only 1 nut, it all depends on if your using a new crush collar or not and if your just swapping out the pinion yoke or a full rebuild. To reach an accurate level of tension or preload, experience and expertise are usually required when dealing with this type of repair work. For that reason,many enthusiasts are considering the 10-bolt. Tighten to 8 ft-lbs (10 N-m), then tighten an additional 1/3 turn to at least 37 ft-lbs (50 N-M). Torque Specs on Dana 60. 1989 GMC Suburban SLE 2500 4WD 5.7L Granny 4-speed. From there I make very minute changes, checking the pre load with the inch lb torque wrench several times. ExtCab96S_Dime . The rear end is full of it. If too tight, the bearings become overstressed and will fail prematurely, causing a catastrophic failure of both the ring and pinion gears. Increasing the size of the pinion or decreasing the size of spur gear will result in increased top speed for your vehicle; however this will come at cost to acceleration and increase temperatures from increased load. For a better experience, please enable JavaScript in your browser before proceeding. Reports from multiple Chevy Bolt owners confirm that on May 28th, 2021, Chevrolet began taking steps to rectify any potential issues with these cars by paying off the original cost and allowing them to be taken off of the road. Date and location of manufacture are stamped in the axle tube, and this table deciphers the code. Peter - I'm retired but work part time as a pain in the ass. BOP stands for Buick/Oldsmobile/Pontiac. This is an 8.2 BOP axle. Ford 9 inch torque specs; Gear Ratio Calculator; Order Forms. The torque it takes to crush . Order before 4PM and most parts ship out the SAME DAY. What is the torque specs on pinion nut? The lower end of this range will give you a cadence of 90 rpm which translates to an average speed of 30 km/h while the upper end will get you going up to 34 km/h. Mine is leaking. Good info on this site from what I've seen so far, kudos. #5. Furthermore, its thread size of 1 7/16"-20 makes it compatible with nearly all GM style rear ends from 1955 to present day models. West Coast Differentials stocks a complete line of light duty axle parts for Chevrolet, Chrysler, Dana, Ford, GM, Jeep and Toyota and more! Pinion Nut FT. LBS. This heavy duty nut has been designed using high grade steel and features a zinc plated finish for maximum protection against rust and corrosion. It is robust enough to withstand any punishment inflicted on it by racetrack use. Unfortunately, once the tension on this type of sleeve has been released during installation it cannot be re-used since it will no longer hold the proper tension. Ring Gear Backlash Ring Gear Bolts to Cast FT. LBS. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. There are several differentials for the 10-bolt rearend. Rotating torque should be equal to the reading recorded during removal plus an additional 0.56 Nm (5 inch lbs.). Doing a gear ratio change but not sure what you want? for a ten bolt rear it should be about 20 inch pounds while you are turning the torque wrench. To begin, the yoke or coupler must be attached to the pinion shaft. It said you want this to be from 5-35. . Although the 7.5-inch 10-bolt closely resembles the 8.5-inch housing, you can positively identify the Chevy7.5-inchrearend by measuring it. Axle Retainer Plate Nuts: 3/8" T-bolts - 30 ft lbs. Once the specified preload has been obtained, make sure the bearings are seated by rotating the pinion several times. http://www.gmfullsize.com/forum/showthread.php?t=41717&highlight=pinion+seal. It is therefore important to strike a balance by carefully adjusting the backlash so that it meets manufacturer requirements for that particular differential system. Our Mopar flexplate buyers guide will help. . A forum community dedicated to GMC and Chevy full size owners and enthusiasts. Use Loctite #271 on the bolt threads and torque in a crisscross fashion to 55 ft-lb. You can simulate pinion bearing preload by tightening the pinion nut until the proper amount of drag is felt with only motor oil on the pinion . Quaility Gears provide guaranteed performance. First introduced in 1970 as a corporate replacement for the older 8.2-inch 10-bolt or 12-bolt 8.875-inch axles, its popularity quickly spread to nearly every GM division aside from Cadillac throughout the 70s. For a better experience, please enable JavaScript in your browser before proceeding. 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. The pinion nut should also measure 1 1/8 inches, if the OEM pinion nut is still in use. See other Red Line Oil Products that we recommend. While deciding on the ideal gear ratio for your bike, it's important to consider that a lower value will provide more comfortable pedaling, as you'll be able to spin the pedals at a higher cadence. Jul 2, 2020 / Furthermore, this action reflects positively on the company's overall commitment to providing reliable transportation services while ensuring its customers' safety remains paramount at all times. 2/3 drop, HP Tuned, Built 60e, 4.10s, Yukon Duragrip, etc. While the 8.5-inch rearend was used on vehicles up to 1999, The 8.6-inch (8.625) was used on 2000 and later-year trucks. If it takes a 5/16-inch wrench to remove it, its an 8.5. Additionally, it increases load capacity because it prevents misalignment due to vibration or thermal expansion of components. If you find a rearend that uses a large spring perch like this, it is from either an X or F-Body. Thats usually proven when used in high-performance, high-horsepower applications. We are available to help Monday thru Friday from 8 AM to 5 PM Pacific Standard Time, and most orders placed by 4 PM ship out the SAME DAY! The pinion nut should also measure 1 1/8 inches, if the OEM pinion nut is still in use. EDLANTA there is a "crush" spacer between the two pinion bearings that when tightened properly gives you the proper bearing preload. The easiest way to tell the difference is by looking at the brakes. Inside the 8.2-inch 10-bolt, the ring-gear bolts have 9/16-inch socket heads with 3/8-24 left-hand threads. For inquiries about our products and services, please fill out the form below. IMPORTANT: The pinion preload should be at or below 4 Nm (35 inch lbs.) Some guys even go to the trouble of making a set-up bearing so you dont have to press on and remove the pinion bearing to try different shims. 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. On top of that, many pickup owners find that making such modifications also provides them with a greater sense of control over their vehicles capabilities, allowing them to feel more confident and secure on their journey no matter what lies ahead on Oct 5 2022. But, did you know there is more than one style of 10-bolt rearend? Alternatively, shims can also be used to adjust the pinion depth. Instead of using a C-clip to hold the axle in the housing, these axle assemblies use bolt-in axles, much like an 8.2 BOP rearend. If you installed a new seal, add 1 or 2 in-oz. Both axles use a third member that contains the differential, which is made up of the . You keep on tightening the pinion nut until you are within the in-lb. Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. Uses 28 or 30 spline c-clip axles. Zone 1.5 BL, 22x12s, California delete, Detroit TrueTrac, etc. When looking at the housing from the rear, an 8.5 will have two squared off chunks of casting hanging on each side near the bottom of the differential. Like all Chevy 10-bolts, the axles are retained by C-clips on the inner end of the axle shaft inside the carrier. I thought the pinion nut would be more like 50-75 FOOT pounds? (Note: The 7.5 GM rear used different pinion bearings in 1979-80 vs. the 81-up axles, so you want to make sure that the old bearings match up to your new pinion bearings). Pinion Nut (Solid Spacer) 28-Spline Pinion - 200 ft lbs. Crankshaft Pulley to Crankshaft bolt 77. Search Car Torque Specifications by Engine or Model 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 most current parts and application information can always be found here on our website or by calling one of our differential parts experts. His passion for performance got him noticed by many locals, and he began helping them modify their vehicles. 5. put back together and tight pinion nut to specified torque. If sticky tires are used, youll quickly turn the 7.5-inch rear into a pile of unusable parts. When I changed all the bearings in my suburban rear end, I bought the crush sleeve eliminator shims from Summit. 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. I like to slowly tighten the new pinion nut until I take up all of the front to back free play. Call 800.979.0122, 7am-10pm, everyday. I am also replacing all the bearings on my son's 97 Chevy rear end. Constructed from high quality steel, the PYN10 features an integral washer design that ensures proper alignment of the bearing preload during installation and prevents damage to both the yoke and bearings. This heavy duty nut has been designed using high grade steel and features a zinc plated finish for maximum protection against rust and corrosion. 35-Spline Pinion - 250 ft lbs. If it takes a 1/2-inch wrench to remove it, its an 8.2. Pinion nut torque (shimmed preload style): 250 ft*lb. RING GEAR TORQUE FOOR LBS. JavaScript is disabled. Copyright 2023 Sierra Gear & Axle - Web Design by Zenxeon Technologies, Backlash for Aftermarket gears .006 -.012, Instructions Differential Installation & Setup, Differential Setup & Torque Specifications, GM RPO Codes Axle & Ratio Identification, Measurement Axle Shaft Length & Bolt Circle. Inside, the ring-gear bolts are the same as the 8.5 corporate unit, but the pinion-shaft diameter measures 1.438 inches. This is also likely to reduce run times due to lower temperatures as theres less load being put on your vehicles engine when compared to running with a bigger pinion and smaller spur gear combination. 1988 C1500 Silverado, 5.7L with some go fast parts. It also has an inner diameter of 1 3/16", allowing it to accommodate most 30 spline yokes without any extra modifications or components needed. When installing a new 8.5-inch 10-bolt rear differential, it is important to use the right pinion nut for your application. 8-Inch Ford Rear End Torque Specifications. Preloading a bearing eliminates the clearance, which increases stiffness and reduces friction. Sometimes when repairing or replacing components within a transmission, you may encounter a crush sleeve. Ring Gear Diameter: 8.500Cover Bolts: 10Ring Gear Bolts: 10Ax . All of the parts we sell are also used every day in our busy service shop. If used in a daily driver or cruiser application, the 7.5-inch rearend should survive behind an engine with 350hp, if traction is limited during spirited driving.