Max Ellery's Land Cruiser Repair Manual 1969-1990 (FJ & RJ) OEM bolts have thread locker on the threads. The rotating torque must be 2 to 3 N-m (15 - 25 inch pounds). 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. Backlash = 6-10 (.001 inch) 2003 S-10 ZQ8 - 262/M5:bowtie: 1986 Pontiac Trans Am - 355/A4 After it has been properly crushed (by checking the rotating resistance of 19-22 inch pounds on the pinion) there should be at least 150 pounds torque on the pinion nut (or else you pull it apart get another crush sleeve and start over). These are two pinion gears for the 8.5-inch 10-bolt. I have seen the ring gear bolts, pinion nut and retaining bolt come loose, but never a bearing cap bolt. to do this. #5. Call 800.979.0122, 7am-10pm, everyday. After that we removed the old bearings and cleaned all the parts up in the solvent tank. Speedway also offers the . When working on the assembly of a differential, there are two methods for adjusting the pinion depth. Inch pound torque wrench that will read that low of a number which will be "VERY" costly. Depending on what you're using it for, there is an axle size to suit; 7.5/7.625-, 8.2-, 8.5- or 8.6-inches from smallest to largest respectively, so no matter how much horsepower you need to support, there is an option available to fit your needs perfectly and provide excellent strength and reliability even under heavy loads and high speeds. However, when you have new gears, a new posi unit, and other variables like mixing housings with differentials you might have to try multiple shims to get a good pattern. The retaining bolt can be hard enough to get out without using the red high strength Lock Tight on it. 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. We'll send you the most interesting Chevy Hardcore articles, news, car features, and videos every week. Chevy Hardcore NEWSLETTER - SIGN UP FREE! As a result, this construction became one of the most popular axle assemblies on the market due to its durability and affordability. Free Shipping - Yukon Gear & Axle Crush Sleeve Eliminator Kits with qualifying orders of $99. It first appeared in 1970 production cars as a corporate replacement for the 8.2-inch 10-bolt rearend. The oval-shaped cover measures 8 5/16 inches by 10 9/16 inches. How tight should a pinion nut be? 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. Jul 2, 2020 / 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're looking to get the most out of your pickup truck, you may want to consider changing the gear ratios. With its superior strength and durability, you can count on your PYN10 pinion nut to remain securely in place for years of reliable service. CRAWLPEDIA Off-Road Encyclopedia. This ring and pinion setup guide is Copyright Crawlpedia.com - Please provide a link back to this page when copying. Some pinion nuts require a special procedure to be properly installed. 2429 Mercantile Drive Suite A 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. When combined with a low curb weight, this combination creates acceleration so fast it feels almost supernatural. You have to do it a little differently though. 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. Therefore when dealing with these types of sleeves it's important to make sure they are installed correctly so as not to compromise its integrity or longevity. Torque measures the amount of force that is generated when the engine rotates at a certain speed. 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. 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 . One intimidating part for a lot of guys is the rear end. It is essential to ensure that the pinion flange is firmly held in place with a fixture or tool. The number of teeth on each of these gears determines how much rotational force is converted into torque or speed. We were lucky and had a desirable contact pattern on both the drive and coast sides of the gear teeth. This is an 8.2 BOP axle. You can use this instead of the crush sleeve. The most current parts and application information can always be found here on our website or by calling one of our differential parts experts. It saved me time and effort trying to crush a brand new crush sleeve. 8-11 in/lbs for broken in bearings is acceptable. This is very important, because if you go too far the crush sleeve will be ruined. Step 1: To seat, torque nut to 50 (lb-ft) while spinning hub. on new bearings, or 1.2 Nm (10 inch lbs.) FSM says 181-325 ft-lbs. For inquiries about our products and services, please fill out the form below. (note make sure the pinion bearing is well oiled when doing this procedure.) A Series 2 carrierwill work with 2.56 and higher gears (numerically lower) such as 2.41. The pinion shaft diameter is 1.625 inches and will have either 28 or 30 splines. There are several differentials for the 10-bolt rearend. It has a black oxide finish that ensures corrosion resistance while its construction of hardened steel ensures durability even under extreme conditions. Once you give everything a thorough inspection you can begin the re-assembly process. I have a 2001 2500 HD. The following table contains the proper specifications for all popular axles. If too tight, the bearings become overstressed and will fail prematurely, causing a catastrophic failure of both the ring and pinion gears. That's all fine and dandy but my pinnion was chewing it's way through the carrier and now I can't get the passenger side c clip to drop out. 8 to 11 in-lbs. Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. Use oil on the pinion nut washer surface during all assemblies . With the carrier removed w/ new bearings pinion bearing preload should measure a rolling torque of 20-30 in/lbs. It doesn't have to be hard, and we offer some tips to keep your car's finish in top shape. Are all GM 10 bolts the same? 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. Would this be the same How to write up for my truck? Ring gear bolt torque: 110 ft*lb. 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. Mikz86TA. One is the small, 7.5-inch, another is the 8.2-inch, and yettwo more are the 8.5 and 8.6-inch. Step 1: To seat, torque nut to 50 (lb-ft) while . 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. 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. His passion for performance got him noticed by many locals, and he began helping them modify their vehicles. Save Share. Pinion Bearing Preload (New) (inch/lbs) Pinion Bearing Preload (Used) (inch/lbs) Backlash (.001 in) Ring Gear Bolt Torque (Foot lbs.) See other Red Line Oil Products that we recommend. You will also notice the large, flat, cast-in protrusions at thefive andseven oclock positions. The only torque you should be concerned with is the torque it takes to rotate the pinion gear alone, 8-14 inch pounds for old bearings, 16-29 in/lbs. The GM 8.5" 10 Bolt axle, also known as the GM 8.6" axle or GM 10-Bolt, is available in many front and rear axle . Tightening Torque Clamp Load (lbs.) You can rest assured knowing that your axle is secured with this high quality product. Failure to apply enough preload on the bearings can have an adverse affect on gear contact patterns. Fords small block and big block engine families have their share of flexplate differences. 2023 Power Automedia. You will need a torque meter in inch-lb. Record pinion flange rotating torque, with a torque wrench. How to eliminate unwanted to holes in your car's body, trunk, floor, or firewall with easy to use patch plugs from Speedway Motors. For a better experience, please enable JavaScript in your browser before proceeding. Whats The Reason Enthusiasts Cant Get, Yes I Am A Dinosaur, And Why I Feel Electric Cars, Rare Rides: The 1969 Chevrolet Camaro COPO, SPEC Clutches: For That Next Engine Swap Or OEM Upgrade, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop Shop, Moroso Anti-Roll Kit Is The Right Tool For The Dragstrip, Why You Need A Proper Fuel Tank Vent In Your Ride, Fenix Is A Next-Gen 69 Camaro With 1,180 Horsepower. 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. Edit: The Hex is 5/16 the threaded part is SAE 5/16 inch 18 threads per inch. Now that we know our pinion depth shim is correct we can do the final assembly. This technology is particularly advantageous in improving vehicle handling and traction under all types of driving conditions, from wet roadways to tight turns. Both axles use a third member that contains the differential, which is made up of the . Pinion Nut Torque Spec. Many mechanics use an impact gun while others insist the nut should be torqued by hand. With the pinion bearing properly lubricated, increase or decrease . For the street/strip car, the 10-bolt rearend is a great choice. 2008 Sprinter 2500 170 - camper van. 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. Tightening Torque Clamp Load EDLANTA there is a "crush" spacer between the two pinion bearings that when tightened properly gives you the proper bearing preload. 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. To ensure optimal performance in any application, it is essential to pay close attention to the amount of backlash between gears on all differentials. GM 10.5" 14 Bolt: 20 to 35 in-lbs. Quaility Gears provide guaranteed performance. 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 : . Ring Gear Backlash Ring Gear Bolts to Cast FT. LBS. Mgrotel, nice cliff notes. 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. does anyone know the torque specs for a 10 bolt 7.5 for the pinion and carrier caps . Continue tightening the pinion nut to collapse the spacer and preload the bearings. Replace original worn or damaged nuts each time a gear set is changed. This is all with the old crush sleeve. While backlash is a necessary component of manufacturing tolerances, it can be a significant source of problems for certain applications. 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. I like to measure the old crush sleeve and machine down a solid pinion spacer to that dimension and then . 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. 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. First mark the position of the nut with a chisel or other method so you can tighten it back to exactly the same place. Build your own custom newsletter with the content you love from Chevy Hardcore, directly to your inbox, absolutely FREE! This gives us confidence in the quality of the parts we sell. We look forward to serving you! Failure to apply enough preload on the bearings can have an adverse affect on gear contact patterns. This results in improved performance, longer life span and more efficient operation of the system. 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. What happens if you have too much backlash in differential. We believe that our exceptional customer service and product knowledge is what sets us apart from the competition. What is the gear ratio on a 10 bolt rear end? 12 Bolt Rear Axle Torque Specs. Find the application and ratio you need? What size is pinion nut Silverado? The pinion nut should also measure 1 1/8 inches, if the OEM pinion nut is still in use. Find out how to access AutoZone's Torque Specifications Repair Guide for 300, 300C & Magnum 2006-2008, Charger 2006-2008. Introduction. 1/2" T-bolts - 50 ft lbs. PINION NUT GM 7.5 8.5. Thats usually proven when used in high-performance, high-horsepower applications. 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. Crankshaft Main Bearing Cap Bolts 70. For that reason,many enthusiasts are considering the 10-bolt. If you installed a new seal, add 1 or 2 in-oz. With this pinion nut, you can rest assured that your vehicle will be ready for whatever terrain comes its way! New bearings 19 to 22 inch pounds. You can replace the pinion seal without changing the crush sleeve. The 8.5-inch 10-bolt rearend is hugely popular because aftermarket carriers and gears are easily interchangeable. carrier bearings, races, crush sleeve, pinion nut, pinion seal, a gasket and even has the gear marking grease included. When it comes to Chevrolet rearends, its the 12-bolt that seems to get all the accolades. By Albert. How Much Hp Can Stock 5.3 Injectors Handle, What Kind Of Gas Does A Jeep Cherokee Take, Popping Noise When Accelerating And Braking. Sierra Gear & Axle is a premium line of light-duty differential parts. Preloading a bearing eliminates the clearance, which increases stiffness and reduces friction. Follow along as we show how to measure and install a C10 one piece driveshaft. 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. 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. The X and F-body spring perches come in two versions: mono-leaf (left) which is shallower than the multi-leaf (right). Find the torque thats on it before hand and tighten it down to that afterwards. This will cause the bearings to press more firmly against the races, thereby increasing preload tension. 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. GM 8.5" 10 Bolt / Ring & Pinion Gear Set w/ Master Bearing . 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. Mine was a pita. These basic steps should pertain to most GM rear differentials and if followed with leave you satisfied for many miles. Differential cap bolt torque: 90 ft*lb. If sticky tires are used, youll quickly turn the 7.5-inch rear into a pile of unusable parts. 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. FOR 1994-2001 CHEVY S10's & GMC SONOMA's. **ALL TORQUE SPECS ARE PER GM FACTORY & HAYNES MANUAL**. Gear oil is nasty stuff, mostly in smell. Not only does a torque vectoring differential perform the same basic tasks as a regular differential, but it also has an extra element that sets it apart: its ability to transfer torque between the left and right wheels independently. It also has an inner diameter of 1 . If it checks out you can put your axles back in, C clips on, cross pin and bolt and you are ready to put the cover on and fill it with rear end lube! Ring Gear Diameter: 8.500Cover Bolts: 10Ring Gear Bolts: 10Ax . 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. 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. ExtCab96S_Dime . Alternate Description. Pinion preload (used bearings): 8 - 10 in*lb. with an impact. Since it was so widely used, there is a better possibility of finding one of them at a salvage yard thanlocating a 12-bolt. 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. Use Loctite #271 on the bolt threads and torque in a crisscross fashion to 55 ft-lb. 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 . How do you fix a loose pinion bearing preload? Oct 20, 2011. Dana Technical Service Specs. I used an 18" breaker bar with a 2 foot pipe on the end of it in order . This procedure is necessary in order to ensure that everything within the drivetrain is working correctly and efficiently. I am also replacing all the bearings on my son's 97 Chevy rear end. 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. 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. Rotating torque should be equal to the reading recorded during removal plus an additional 0.56 Nm (5 inch lbs.). 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. 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. 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. 1988 C1500 Silverado, 5.7L with some go fast parts. CAP TORQUE. 1989 GMC Suburban SLE 2500 4WD 5.7L Granny 4-speed. you have it pretty much. The date and location of manufacture coding changed in 1971. The ideal amount of torque required on a pinion nut when installing an axle depends on many factors, but typically you should aim for 110-125 ft/lbs of torque unless otherwise specified by step #6 during the installation process. Talk to the experts. 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. Ring gear bolts. Doing a gear ratio change but not sure what you want? Thanks Mike, Id appreciate it. When the preload of the pinion bearings is incorrectly adjusted, it can have serious consequences. The distance between the lower center bolt on the cover and either adjacent bolt is 3 3/4 inches. stock 4L60E on 5th filter/fluid change; 2nd set of drive shaft u . When changing a ring & pinion and doing final install of pinion there is no torque spec on the pinion nut itself. The correct way to do this is to use the yoke lock (part of the setup tool kit we bought) and use a breaker bar with a cheater pipe. Some vehicles require an 8.5" 10-bolt pinion nut to secure the rear axle assembly of their vehicle. Torque is a measure of rotational force that must be applied in order to secure components such as axles and other parts together. Since listing them all within this article is impossible, well be focusing only on visual identification. Just out of curiosity,what are the 8.5 (r 65lbft & c 60lbft ?) Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. Next remove the nut and change the seal. Once the specified preload has been obtained, make sure the bearings are seated by rotating the pinion several times. By following these steps carefully and precisely, you can ensure that your gear and carrier are set up correctly for optimal performance. 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. Used bearings 10 to 14 inch pounds. There are other 14b axles out there - a 9.5" ring gear semi-float for one, and even a 11.5 . Give us a try, we think you'll be glad you did! 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. Before disassembly, we marked the bearing caps and kept the side bearing shims on the correct side. When I changed all the bearings in my suburban rear end, I bought the crush sleeve eliminator shims from Summit. Like most 10-bolts, the axles are held in place by C-clips on the inner end of the axles. You will need to know that there are different series of differentials (seriestwo and three). 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. Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility. Carrier Cap Bolts. Reply Quote. It should be noted that while this axle is suitable for everyday driving and light duty applications, it must be upgraded if you plan on doing any serious racing or off-road activities with your vehicle. Crankshaft Pulley to Hub Bolts 37. Torque Specs on Dana 60. It has been proven to be reliable in high-performance and high-horsepower applications, but it can also handle occasional abuse from use on the racetrack. When in doubt, refer back to step #6 for more information about suggested torque specs for your particular axle installation project. 9 Minutes Read / If it takes a 5/16-inch wrench to remove it, its an 8.5. 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! How a GM 10-Bolt Differential Goes Bad. That being said, it isnot recommended for use behind engines that make a serious amount ofhorsepower. If your mom is lunch, then yes, I've eaten lunch twice today. But, did you know there is more than one style of 10-bolt rearend? With its strong construction and durable material, the PYN10 10-bolt 8.5" pinion nut makes for an excellent choice for those looking for reliable performance in even the most extreme environments. 5. put back together and tight pinion nut to specified torque. By reducing the amount of free play between components, preloaded bearings can provide greater accuracy and quieter operation than standard ball bearings with clearances. When additional shims are added, this increases the total width of the retainer assembly, pushing the bearing cones further away from their respective cups and as a result reducing drag on them. Pinion nut torque (shimmed preload style): 250 ft*lb. The pinion on the left is part of a 4.11:1 gear set; the one on the right is a 3.08:1 pinion. 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. For the fastest service, call our Differential Parts Experts at (800) 510-0950 for immediate assistance. . 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. BACK LASH 0.000". LBS. Ford 9 inch Torque Specs for Ford 9 inch center Section torque specs. An important step I like to take is to assemble the pinion and differential case without the crush sleeve or the new pinion nut. Zone 1.5 BL, 22x12s, California delete, Detroit TrueTrac, etc. Alternatively, shims can also be used to adjust the pinion depth. However, the gears will not interchange with a Chevy 8.2. 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. Gear Ratio Finder - Find the ideal axle gear ratio for your new larger or smaller tires. 35-Spline Pinion - 250 ft lbs. Axle Retainer Plate Nuts: 3/8" T-bolts - 30 ft lbs. Inside the 8.2-inch 10-bolt, the ring-gear bolts have 9/16-inch socket heads with 3/8-24 left-hand threads. I also like to put some oil on the seal surface of the yoke to avoid tearing the new pinion seal. 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 . Ring and Pinion Gear Tooth Patterns - Gear tooth pattern setup and adjustement instructions. 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. Loosen the right-side adjusting nut and tighten the left-side adjusting nut until the ring gear contacts the pinion without binding. Its strength and reliability have been proven time again, making it an excellent option for drivers looking for reliable performance from their vehicle. The trick is to get it tight as possible without crushing the sleeve any more then it already is crushed. I have a leaky pinion seal and housing seal so I am planning on replacing the seals in the very near future. GM 8.5 10 bolt - 10 bolt cover with 8.5 ring gear. Sure, you know whats in there and what it does but are you willing to tear into it and rebuild the differential? 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.

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