pinion nut torque specs gm 10 bolt

pinion nut torque specs gm 10 boltudell funeral home obituaries

pinion nut torque specs gm 10 bolt

Save Share. This will help ensure that there isn't an excess of tension on these components, which can lead to premature wear or even failure. Introduction. Set the preload carefully (see "Set Up Specifications") so that the bearings will have a long life. Differential Locker Comparison - A detailed comparison of popular differentials and lockers. . What is the torque on the pinion yoke nut - JustAnswer Are all GM 10 bolts the same? By Albert. The 8-inch Ford rear axle was used from the early 1960s to 1980 in small and mid-size passenger cars with six- and small-block V-8 engines. Low-end torque refers to the amount of power and force generated by an engine at low revolutions per minute (RPMs), usually between 2000 and 3000. Products include ring and pinion sets, installation kits and axle shafts for GM, Ford, Chrysler, Jeep, and Toyota vehicles. Sometimes when repairing or replacing components within a transmission, you may encounter a crush sleeve. 12 Bolt Rear Axle Torque Specs. Jul 2, 2020 / 8 & 9 BOLTS Locknut Size Threads per inch Steel Hex Locknut Steel Hex Flange Nut Grade C FNL Grade 9 Grade F Grade G Clamp Load (lbs.) (note make sure the pinion bearing is well oiled when doing this procedure.) Some pinion nuts require a special procedure to be properly installed. Im gonna go buy a good manual for shit like this. Differential Set-Up Specifications | West Coast Differentials The rear end is full of it. It saved me time and effort trying to crush a brand new crush sleeve. Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility. Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. In most cases, however, even with a straight case, a certain degree of backlash can be tolerated up to 0.005? 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. The oval-shaped cover measures 8 5/16 inches by 10 9/16 inches. .006" to .010" 120 ft-lbs. #5. The covers on the 8.5-inch rearends are often 11 inches round with a bulge on the drivers side to accommodate the ring gear. For bearings that are already in use, set preload at 15 inch-pounds; if they are new bearings then you should aim for 25 inch-pounds when setting preload. Continue tightening the pinion nut to collapse the spacer and preload the bearings. Randy Bolig has been working on cars and has been involved in the hobby ever since he bought his first car when he was only 14 years old. Give us a try, we think you'll be glad you did! The PYN10 - 10-Bolt 8.5" Pinion Nut is perfect for 30 spline pinions, providing a dependable and secure connection between the driveshaft and differential ring gear. 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. Ring Gear Backlash Ring Gear Bolts to Cast FT. LBS. Step 1: To seat, torque nut to 50 (lb-ft) while . 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 . Race-spec ring and pinion gears for desert racing, rock bouncing, and rock . See other Red Line Oil Products that we recommend. Good info on this site from what I've seen so far, kudos. 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. CHECK FREQUENTLY as you progressivley tighten the pinion nut. The LS swap is no doubt still going strong, but if youre planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, youll need to pay attention to a few items we discuss in this buyers guide. If it takes more than 25 in lbs to turn the pinion, then you have tightened it too much and you need to back the nut off. These have been around since 1975, and were installedunder cars, small trucks, and vans up to the 2005 model year. 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. Use the blue medium strength on the retaining bolt and the red on the others. Additionally, this nut features a thread pitch of 11/16 x 20 which allows for easy removal during maintenance periods or when replacing bearings or other components within your axle assembly. Additionally, vehicles with higher torque have better control over their handling due to stronger low-end acceleration which makes them safer on roads and highways. With the pinion bearing properly lubricated, increase or decrease . This procedure is necessary in order to ensure that everything within the drivetrain is working correctly and efficiently. Pinion Nut Torque Spec - Ford Truck Enthusiasts Forums Axle Order Form; Floater Axle Order Form; Custom Driveshaft Order Form; . 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. Not only has Chevrolet taken the initiative to buy back some of their 2017-2019 Chevy Bolt electric vehicles (EVs) due to safety recalls, but they have also gone above and beyond by reimbursing owners the full purchase price for their vehicle. Choosing a higher ratio will provide more power and torque for pulling heavier loads or navigating steep grades with ease, while lower gears are better suited for those tackling long stretches of open highway or cruising around town at slower speeds. Step 2: Back off, then torque to 35 (lb-ft) for automatic hubs,or 50 (lb-ft) for manual hubs. 35-Spline Pinion - 250 ft lbs. Our stock 10-bolt was plenty stout to withstand the torture of 165 hp from the ZedSled's stock 350 (yes, that was sarcasm), but we're looking down the barrel at 500 hp from our cammed-up 6.0 swap . Okay to Reuse the Pinion Crush Sleeve when Changing Gears? This is an 8.2 BOP axle. Mikz86TA. Oct 29, 2001. Inch pound torque wrench that will read that low of a number which will be "VERY" costly. I will attempt to cover the necessary steps in building a differential for a GM 10 bolt rear end with an 8.5/8.6 ring gear. 9 Minutes Read / OEM bolts have thread locker on the threads. The distance between the lower center bolt on the cover and either adjacent bolt is 3 3/4 inches. May 22, 2021 / See all 36 photos. A Series 2 carrierwill work with 2.56 and higher gears (numerically lower) such as 2.41. TORQUE SPECIFICATIONS. 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. The more torque produced, the less energy needed to move the car forward. Torque Specifications Archives - AutoZone GM 8.5" and 8.6" Axle Parts, Gears, and Upgrades - Drivetrain Shop Search Car Torque Specifications by Engine or Model 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. What happens if you have too much backlash in differential. I agree that the preload needs to be about 30 inch pounds. torque specs 8.5 rear | NastyZ28.com New bearings 19 to 22 inch pounds. when assembling the pinion into place, include the crush sleeve between the two pinion bearings. That being said, it isnot recommended for use behind engines that make a serious amount ofhorsepower. 9 Minutes Read / The 14 Bolt Bible | Pirate 4x4 Is a GM 10 Bolt rear end good? The torque required to seat the nut is very large, possible 200 ft-lbs or more. GM 8.6" differentials can be installed in a GM 8.5" axle with the proper conversion bearings. If in doubt, consult our staff of differential parts specialists. Our Mopar flexplate buyers guide will help. How tight should a pinion nut be? This is especially true when it comes to cycling. Gear Ratio Finder - Find the ideal axle gear ratio for your new larger or smaller tires. If you locate a rearend that has coil spring perches, it could be from a G, A, B-body, or El Camino. When riding a bicycle, the hardest gear available is sometimes necessary for tackling steep climbs and flats alike. I have seen the ring gear bolts, pinion nut and retaining bolt come loose, but never a bearing cap bolt. Our custom-length driveshaft kits make it a breeze to get the perfect 67-72 C10 driveshaft length. I don't use it on the bearing cap bolts. 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 . 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. ALL72156. Oct 20, 2011. Ultimately, both engine power and torque play important roles in determining a cars performance capability as well as its overall efficiency. The purpose of preloading a bearing is to eliminate any existing clearance that has been designed into standard ball bearings by utilizing tension or compression loads applied directly onto each component within the assembly. They say ignorance is bliss but I say it's just damn expensive. 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. When compressing the crush sleeve, many guys use an impact wrench and end up crushing it too far, ruining the sleeve. . That is theimpetus for why we decided to put this swap meet/junkyard identification guide together. I have been taking it to ~250-300 ft lbs. Back off left-side adjusting nut approximately 2 slots. There are a few that have geared axles on here so they should chime in and help out with Real TECH :rocking: A forum community dedicated to all General Motors truck owners and enthusiasts. ALL72156. torque specs for a 7.5 10 bolt | S-10 Forum Failure to apply enough preload on the bearings can have an adverse affect on gear contact patterns. Technical Specifications - Down To Fab Pinion nut torque (shimmed preload style): 250 ft*lb. A full range of pinion gears is offered for the Chevy 10- and 12-bolt axle assemblies so you are able to select the correct gear set for your vehicle, application, and setup. If the backlash is too tight, you'll need adjust the carrier shim by moving it away from the pinion. We show you how to keep that old GM transmission when swapping in an LS engine. If rotating torque is low, tighten pinion nut in 6.8 Nm (5 ft. Date and location of manufacture are stamped in the axle tube, and this table deciphers the code. As the speedometer rises, each gear shift is accompanied by an even more intense sensation of power, making every drive exhilarating and unforgettable. 8-Inch Ford Rear End Torque Specifications | It Still Runs 2/3 drop, HP Tuned, Built 60e, 4.10s, Yukon Duragrip, etc. 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. for new bearings. The 8.5 rearend will have a round cover, and part of the cover will extend rearward to make room for the ring gear. From there I make very minute changes, checking the pre load with the inch lb torque wrench several times. The reliability of the axle tube and . Once the specified preload has been obtained, make sure the bearings are seated by rotating the pinion several times. Rightfully so, because when comparing the 10 and 12-bolt units, its definitely the more durable of the two. These are incredibly robust pieces of machinery that can handle a surprising amount of power, as long as you use the right axle for your application. Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/553/e/driveshaftThe differential Pinion Flange is part of the universal joint that connects the drive . This should result in approximately 7 thousandths of an inch adjustment in terms of backlash. Not sure the torque specs on the carrier bearing caps, we red lock-tight them and hit them with the impact pretty hard at work. Setup Specifications. While a carrier-bearing girdle is available for the 8.2-inch rearend and does give some support to the housing it doesnt provide a reliable and suitably strong solution. This applies to all types of vehicles with any type of gearing system regardless of pitch or size it doesnt matter which one you change as long as you can adjust it accordingly. For reference use at own risk. 1/2" x all lengths 100-110 ft lb. . This ring and pinion setup guide is Copyright Crawlpedia.com - Please provide a link back to this page when copying. The large flanges are easy to grip and make installation or removal easier than ever before, allowing you to easily tighten or loosen the nut without fear of it slipping away. 4.replace seal. Allstar Pinion Nut GM 7.5 8.5 ALL72156. This is zero backlash. Final torque on the pinion nut is necessary to compress the crush sleeve. For the street/strip car, the 10-bolt rearend is a great choice. Sierra Gear & Axle parts are designed and engineered to the highest quality specifications for use in street, off-road and performance environments. Many times, if you locate a 10-bolt rearend, its usually a 7.5-inch unit. Tighten to 8 ft-lbs (10 N-m), then tighten an additional 1/3 turn to at least 37 ft-lbs (50 N-M). The unique design and shape make installation easier while providing ample strength for off-road applications. need rear diff torque specs - Diesel Place 24-32 INCH pounds?? checking the pre load with the inch lb torque . 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. For over a decade, the 8.5-inch 10-bolt was widely used as an axle in many cars and trucks produced by General Motors. Is a GM 10 bolt rear end good? 2 ways. 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. Maintaining your car's paint finish is essential to keep it looking great. Most 8.5-inch 10-bolt rearends have two extruded, cast-in lugs on the bottom of the differential housing at the 5:00 and 7:00 positions. I used an 1/4" inch-lb torque wrench with two adapters and a 1 1/16" socket to check the preload. The pinion nut needs to be torqued to 250 ft/lbs. It refers to how much tension is applied to the spring before it's installed in the vehicle and can be adjusted accordingly. On the other hand, if preload is too tight then you'll need to take out the pinion gear and add extra shims in order to reduce bearing pressure against the races. Rotating torque should be equal to the reading recorded during removal plus an additional 0.56 Nm (5 inch lbs.). Used bearings 10 to 14 inch pounds. That being said, limited gear sets are offered for the carriers, especially if you plan to change gear ratios. For that reason,many enthusiasts are considering the 10-bolt. It has to be drained to get a peak inside. This is all with the old crush sleeve. with an impact. Both axles use a third member that contains the differential, which is made up of the . By Albert. When working on the assembly of a differential, there are two methods for adjusting the pinion depth. 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? Differential Assembly Specifications - gounitrax.com We will safeguard your e-mail and only send content you request. I've put a rachet strap to the axle, hit it with a hammer prayed from the inside but it won't budge enough for the c clip to clear the spider gear. These protrusions are larger than those on the 7.5 rearend. on new bearings, or 1.2 Nm (10 inch lbs.) In this context, "hardest gear" refers to the ratio of front sprocket teeth to rear sprocket teeth - typically expressed as 4.55:1. Torque Specs Dana 60 | Off Road Vehicles 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. For a better experience, please enable JavaScript in your browser before proceeding. An 8.2 (shown) will have the same contour as the cover. Nut secures driveshaft yoke to pinion gear. Follow along as Zach works over the old 10 bolt and brings it back to life. What is the gear ratio on a 10 bolt rear end? TORQUE-TENSION REFERENCE GUIDE Printed in U.S.A. Supply Part Number: 9702365 AS 06/14 Torque Poster . you have it pretty much. You tighten it until the bearing preload is correct. 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. 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. The side bearing preload is the difference of preloads (5) x the gear ratio (3.73) = 18.65. If you're looking to get the most out of your pickup truck, you may want to consider changing the gear ratios. JavaScript is disabled. Upon initial . Rear end pre load torque | Chevy and GMC Duramax Diesel Forum This distance must be precise; if it is too small, the gears will bind together and cause mechanical stress which can lead to premature wear or failure. The following table contains the proper specifications for all popular axles. Known alternatively as the GM 8.875-inch (referring to its ring gear diameter), Chevrolet's 12-bolt rear end is one of the most celebrated in the American hot-rodding scene. The rotating torque must be 2 to 3 N-m (15 - 25 inch pounds). on old bearings. EDLANTA there is a "crush" spacer between the two pinion bearings that when tightened properly gives you the proper bearing preload. 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. If you're just starting out your adventure with single speed or fixed gear bikes then it's best to opt for ratios around 2.7-2.8 as they are easier on your legs and can help build up strength gradually as you continue cycling further and faster each time. This versatility makes it a great choice for those who want to take their car from the street to the track without worrying about its durability. Either way, the nut should be tightened to produce 24-32-in-lb of torque to turn the pinion . Inside the 8.2-inch 10-bolt, the ring-gear bolts have 9/16-inch socket heads with 3/8-24 left-hand threads. Use Loctite #271 on the bolt threads and torque in a crisscross fashion to 55 ft-lb. I got the price for the seal, and it is near $9. BillaVista.com-14-Bolt Gear Setup Tech Article by BillaVista An important step I like to take is to assemble the pinion and differential case without the crush sleeve or the new pinion nut. 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. A forum community dedicated to GMC and Chevy full size owners and enthusiasts. Bearing Cap Torque (Foot Lbs.) Ring and Pinion Ratio Variations - An explanation of why some ring and pinion gear ratios vary. Cover Bolts: 25 ft lbs. It is important to note that if possible, it is best practice to use an old or used pinion nut for this operation, as new ones can often bind when tightened too much. 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? The 8.2-inch 10-bolt has a smooth, round, lower-case area (no cast-in protrusions), with an 11-inch cover that has a diagonalprotrusion at the top. Shop Differential Pinion Bearing Spacers and Sleeves at Summit Racing. FOR 1994-2001 CHEVY S10's & GMC SONOMA's. **ALL TORQUE SPECS ARE PER GM FACTORY & HAYNES MANUAL**. 8.5 10 bolt pinion preload, UPDATE on build - Team Camaro Tech 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. Camshaft thrust Plate bolts 106 in-lbs. Additionally, it increases load capacity because it prevents misalignment due to vibration or thermal expansion of components. stock 4L60E on 5th filter/fluid change; 2nd set of drive shaft u . The easiest way to tell the difference is by looking at the brakes. GM 8.6" gears will fit GM 8.5" axles and as such have become the universal aftermarket size for both. Recently a friend enlisted me to help rebuild his 7.5 GM 10 bolt. 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. GM 10 Bolt Rebuild Instructions - Speedway Motors Our LS swap adapter kits make it easy! I have seen street 12 bolts that . The Fora platform includes forum software by XenForo. . 14 bolts and 10 bolts are different, not sure about changing seals though. Is a GM 10 bolt rear end good? Crankshaft Main Bearing Cap Bolts 70. Another way to tell the difference between an 8.2 and an 8.5 rearend is to pull the cover and look at the bolt holding the spider gear crosspin. The amount you tighten the nut (with or without the crush sleeve) is based on the amount of force measured in inch pounds it takes to rotate the pinion. 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. With this pinion nut, you can rest assured that your vehicle will be ready for whatever terrain comes its way! Well show you what to look for in this buyers guide. 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. PINION NUT GM 7.5 8.5. 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. Yukon Gear & Axle SK CSGM8.5 Yukon Gear & Axle Crush Sleeve Eliminator Kits | Summit Racing. 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. Furthermore, this process helps improve performance by increasing load capacity due to preventing misalignment caused by environmental factors such as vibration or thermal expansion of parts over time; additionally it also allows for smoother operation with less noise generation compared to regular ball bearings with their built-in clearances leading ultimately to higher durability rates since theres less overall wear and tear on individual components throughout long term use. Alternate Description. These are two pinion gears for the 8.5-inch 10-bolt. Its strength and reliability have been proven time again, making it an excellent option for drivers looking for reliable performance from their vehicle. Well help you determine the correct flexplate for your Chevy engine in this buyers guide. Torque measures the amount of force that is generated when the engine rotates at a certain speed. This one is not as easy as it sounds. Unfortunately, once this tension has been released the crush sleeve cannot hold it again. Sierra Gear & Axle is a premium line of light-duty differential parts. Here are the thin shims from the Summit crush sleeve eliminator. How do you fix a loose pinion bearing preload? Not only has the 10-bolt rearend proved its worth in high-performance, high-horsepower applications, but it has also been found to be a great unit for street/strip cars. This heavy-duty nut is made with high quality materials and manufactured to exacting standards, ensuring it stands up to whatever you throw at it. Step 3: Back off 3/8-turn for automatic hubs, and just enough to free the bearing for manual hubs. Pinion preload (used bearings): 8 - 10 in*lb. Pinion nut has no torque spec. lbs. The PYN10 is a 30 spline pinion nut designed for this purpose, and it is specifically made to be used with vehicles that have a 30 spline pinion in their 10-bolt 8.5" rear end assembly. carrier bearings, races, crush sleeve, pinion nut, pinion seal, a gasket and even has the gear marking grease included. 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. Talk to the experts. big gear head. 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. Additionally, its unique thread pattern provides torque retention while eliminating any possibility of loosening or vibrating off over time due to vibration or shock loads. Mine was a pita. It's got a 350 with a 10-bolt rear end. 1. remove d shaft straps push shaft aside. I like to measure the old crush sleeve and machine down a solid pinion spacer to that dimension and then . When in doubt, refer back to step #6 for more information about suggested torque specs for your particular axle installation project. Axle Images: Axle Details. When it comes to suspension, preload is an important factor. Next remove the nut and change the seal. Ring gear bolts. If youre looking for a good.economical 10-bolt rearend to rebuild or install into your hot rod, you will need to be able to accurately identify thedifferent units so you dont accidentally come home with a 7.5 or 8.2-inch differential. Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. The X and F-body spring perches come in two versions: mono-leaf (left) which is shallower than the multi-leaf (right). For the fastest service, call our Differential Parts Experts at (800) 510-0950 for immediate assistance. sny 00235 converted Use oil on the pinion nut washer surface during all assemblies .