pinion nut torque specs gm 10 bolt

pinion nut torque specs gm 10 bolt

So, in order to adjust the pinion bearing pre-load, shims of varying thicknesses are inserted into pre-load retainers. Step 1: To seat, torque nut to 50 (lb-ft) while spinning hub. Pinion bearing preload is measured in inch-pounds, and is a measure of the rolling resistance of the pinion bearings after proper torque has been applied to the pinion nut. lbs. Failure to apply enough preload on the bearings can have an adverse affect on gear contact patterns. Pinion preload (used bearings): 8 - 10 in*lb. Upon initial . With its superior strength and durability, you can count on your PYN10 pinion nut to remain securely in place for years of reliable service. Axle Retainer Plate Nuts: 3/8" T-bolts - 30 ft lbs. This means that turning the pedals at the front will turn the back wheel 4.55 times over, which requires quite a bit of effort but allows for fast movement once achieved. 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. CHECK FREQUENTLY as you progressivley tighten the pinion nut. 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. The 12-bolt is generally considered to be the stronger of the two rear axles. 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. Good info on this site from what I've seen so far, kudos. EDLANTA there is a "crush" spacer between the two pinion bearings that when tightened properly gives you the proper bearing preload. 7.25 12-14: 6-7: 6-10: 55: 50: 8 IFS: 12-15: 6-8: 6-10: 55: 60: 8.25 12-15: 6-8: 6-10: 55: 60: 8.75 - 41 Case: 13-15: 6-8: 6-10: 55: 90: 8.75 - 42 Case: 15-25: 7 . It is internally different from the 8.2 Chevy, but has the same external bosses and brackets. Chevy Hardcore NEWSLETTER - SIGN UP FREE! Use the blue medium strength on the retaining bolt and the red on the others. Step 1: To seat, torque nut to 50 (lb-ft) while . 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. 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. 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. Chrysler 300 and Dodge Charger 2006-2008 Torque Specifications Repair Guide. Install left-side adjusting nut lock, washer, and bolt. An important step I like to take is to assemble the pinion and differential case without the crush sleeve or the new pinion nut. 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. When compressing the crush sleeve, many guys use an impact wrench and end up crushing it too far, ruining the sleeve. These are considered highway gears that are good for top speed, not for off-the-line performance. Our LS swap adapter kits make it easy! Pinion Nut (Solid Spacer) 28-Spline Pinion - 200 ft lbs. TORQUE-TENSION REFERENCE GUIDE Printed in U.S.A. Supply Part Number: 9702365 AS 06/14 Torque Poster . Use oil on the pinion nut washer surface during all assemblies . without any detrimental effects occurring. 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. Usually, when people are discussing gear ratios, theyre referring to the relationship between a pinion gear and a spur gear. Now that the hard part is done you can re install the carrier with the shims in place, torque the bearing caps and run one more contact pattern to make sure everything is good to go. Save Share. We pressed the new bearings onto the carrier and the front pinion bearing and went ahead and put the assembly together into the housing. An 8.2 (shown) will have the same contour as the cover. Sometimes it feels like youre in a race car when you accelerate hard with a high-torque vehicle. In either case, it is important that this critical adjustment be performed correctly in order to avoid costly repairs or replacements down the line. . The distinction between these two types of torque can be useful for assessing how well a car will perform in different situations: cars with higher levels of low-end torque are typically better suited for starting from standstill or accelerating quickly; whereas cars with greater amounts of high-end torque are likely more suitable for reaching faster top speeds over long distances. The pinion nut should also measure 1 1/8 inches, if the OEM pinion nut is still in use. . Either way, the nut should be tightened to produce 24-32-in-lb of torque to turn the pinion . Ford 9 inch Torque Specs for Ford 9 inch center Section torque specs. We look forward to serving you! This will ensure that your backlash is correct without having to swap the shims. 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. I have a leaky pinion seal and housing seal so I am planning on replacing the seals in the very near future. Ultimately, both engine power and torque play important roles in determining a cars performance capability as well as its overall efficiency. 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. By asking ourselves what makes us different than other companies, our answer is that we deliver the level of customer service that other companies only promise. Uses 28 or 30 spline c-clip axles. 10.50 PINION NUT: GM . Not only is it important to keep the backlash variation under 0.005?, but in an ideal world, no variation should be present at all. Alternate Description. stock 4L60E on 5th filter/fluid change; 2nd set of drive shaft u . Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and more! Jul 2, 2020 / 1. The following table contains the proper specifications for all popular axles. The oval-shaped cover measures 8 5/16 inches by 10 9/16 inches. Preloading a bearing eliminates the clearance, which increases stiffness and reduces friction. If it takes a 1/2-inch wrench to remove it, its an 8.2. This results in improved performance, longer life span and more efficient operation of the system. We were lucky and had a desirable contact pattern on both the drive and coast sides of the gear teeth. These are two pinion gears for the 8.5-inch 10-bolt. West Coast Differentials has been distributing quality differential and axle parts since 1982. For reference use at own risk. 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. 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. Inside, the ring-gear bolts are the same as the 8.5 corporate unit, but the pinion-shaft diameter measures 1.438 inches. Since listing them all within this article is impossible, well be focusing only on visual identification. 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. The reliability of the axle tube and . Assemblers must decide for themselves how much leeway they are willing to allow in this area and assess whether the potential results would warrant such leniency. GM 8.5" 10 Bolt / Ring & Pinion Gear Set w/ Master Bearing . If your mom is lunch, then yes, I've eaten lunch twice today. Thick Gears and Carrier Breaks - Thick ring and pinion gears and differential carrier breaks explained. There is no way to happiness.happiness is the way. Before disassembly, we marked the bearing caps and kept the side bearing shims on the correct side. Some pinion nuts require a special procedure to be properly installed. 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. In addition, if a crush sleeve is over-crushed during installation then it must be discarded and replaced with a new one as it will no longer be able to provide the necessary level of tension between the bearings for them to function properly. Our custom-length driveshaft kits make it a breeze to get the perfect 67-72 C10 driveshaft length. 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 . If you are installing an axle and need to know the torque specs, it is important to first understand what torque is. Torque is a measure of rotational force that must be applied in order to secure components such as axles and other parts together. Unfortunately, unless you have the two units side by side, it is nearly impossible to tell them apart. Talk to the experts. Build your own custom newsletter with the content you love from Chevy Hardcore, directly to your inbox, absolutely FREE! I don't use it on the bearing cap bolts. Cover Bolts: 25 ft lbs. The following are recommended Differential Set-Up Specifications for various differentials. Just out of curiosity,what are the 8.5 (r 65lbft & c 60lbft ?) 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? This ring and pinion setup guide is Copyright Crawlpedia.com - Please provide a link back to this page when copying. 14 TO 19. . 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. Backlash = 6-10 (.001 inch) 2003 S-10 ZQ8 - 262/M5:bowtie: 1986 Pontiac Trans Am - 355/A4 for new bearings. 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. 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. When it comes to adjusting the backlash of your vehicle's pinion gear and carrier, there are a few rules of thumb to keep in mind. This sleeve must be replaced every time the pinion nut is torqued. Next we disassembled everything, starting with the cross pin bolt, cross pin and C clips. 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. How Much Hp Can Stock 5.3 Injectors Handle, What Kind Of Gas Does A Jeep Cherokee Take, Popping Noise When Accelerating And Braking. CAP TORQUE. Finding a 12-bolt that is affordable, is getting to be anearly impossible endeavor. 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. 2429 Mercantile Drive Suite A 1988 C1500 Silverado, 5.7L with some go fast parts. This tension is achieved through a collapsible spacer which is placed between the bearings and then compressed by turning the pinion gear nut. If too tight, the bearings become overstressed and will fail prematurely, causing a catastrophic failure of both the ring and pinion gears. All 8.6-inchrears have disc brakes, and 8.5-inch units have drum brakes. when assembling the pinion into place, include the crush sleeve between the two pinion bearings. ring gear bolts torque at 175lb/ft, bearing cap bolts torque at 200lb/ft, and the ring gear backlash should be between .006-.010 for aftermarket gears, .005-.007 for OEM gears. His passion for performance got him noticed by many locals, and he began helping them modify their vehicles. Speedway also offers the . You can rest assured knowing that your axle is secured with this high quality product. http://www.gmfullsize.com/forum/showthread.php?t=41717&highlight=pinion+seal.

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