pinion nut torque specs gm 10 bolt

It was in the 30-35 I "think" from GM. To begin, the yoke or coupler must be attached to the pinion shaft. How involved is the process of changing it? big gear head. 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 . Pinion nut torque (shimmed preload style): 250 ft*lb. 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. 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 . 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. From there I make very minute changes, checking the pre load with the inch lb torque wrench several times. An 8.2 (shown) will have the same contour as the cover. Would this be the same How to write up for my truck? stock 4L60E on 5th filter/fluid change; 2nd set of drive shaft u . By manipulating these two components and their ratio to each other, you can achieve different levels of performance from your vehicle that may suit your individual needs better than stock settings would. Have a seal puller if possible, makes getting the old one out a lot easier. 24-32 INCH pounds?? The pinion nut is designed to securely fasten the components together while also providing an effective seal against contamination from dirt, dust and other debris. This difference can cause issues with accuracy and repeatability in some applications, necessitating either higher-end components or additional compensation mechanisms. When combined with a low curb weight, this combination creates acceleration so fast it feels almost supernatural. The pinion nut should then be secured and tightened until there is no bearing play at all. 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. Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. Ford 9 inch Torque Specs for Ford 9 inch center Section torque specs. GM: .035. Jul 2, 2020 / 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. That is theimpetus for why we decided to put this swap meet/junkyard identification guide together. Yukon Gear's Pinion Nut makes any job more efficient by ensuring your parts remain secure while providing superior protection from contaminants. Looking for a driveshaft for your 67-72 C10? 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). 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. Like all Chevy 10-bolts, the axles are retained by C-clips on the inner end of the axle shaft inside the carrier. Bearing Cap Torque (Foot Lbs.) Sometimes when repairing or replacing components within a transmission, you may encounter a crush sleeve. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. you have it pretty much. Doing a gear ratio change but not sure what you want? The Fora platform includes forum software by XenForo. We'll send you the most interesting Chevy Hardcore articles, news, car features, and videos every week. You tighten it until the bearing preload is correct. 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 : . Typically, 10-bolt differentials are specific to a series of gears. Oct 29, 2001. Alternatively, shims can also be used to adjust the pinion depth. I like to measure the old crush sleeve and machine down a solid pinion spacer to that dimension and then . I used an 1/4" inch-lb torque wrench with two adapters and a 1 1/16" socket to check the preload. carrier bearings, races, crush sleeve, pinion nut, pinion seal, a gasket and even has the gear marking grease included. GM 10 Bolt 8.2; GM 10 Bolt 8.5; GM 12 Bolt 8.875; GM 8.6 IRS; GM Install Kits; MOPAR. It first appeared in 1970 production cars as a corporate replacement for the 8.2-inch 10-bolt rearend. Try our Differential Gear Calculator. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 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.) The reliability of the axle tube and . 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. This heavy duty nut has been designed using high grade steel and features a zinc plated finish for maximum protection against rust and corrosion. Check the pinion preload by rotating the pinion with a torque wrench. . This is very important, because if you go too far the crush sleeve will be ruined. Part Number. Like the 8.2-inch 10-bolt, the 8.5 10-bolts use C-clips to retain the axles. in order to compensate for the drag of the new seal, the nut should be tightened more until the rotational torque of the pinion slightly exceeds what was recorded earlier, but not by more that 5 in/lbs. You can use this instead of the crush sleeve. Find the torque thats on it before hand and tighten it down to that afterwards. One intimidating part for a lot of guys is the rear end. May 22, 2021 / 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. 4.replace seal. Pinion Bearing Preload (New) (inch/lbs) Pinion Bearing Preload (Used) (inch/lbs) Backlash (.001 in) Ring Gear Bolt Torque (Foot lbs.) Step 1: To seat, torque nut to 50 (lb-ft) while . That being said, limited gear sets are offered for the carriers, especially if you plan to change gear ratios. Pinion preload (new bearings): 17 - 30 in*lb. 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. Bear Preload IN. RING GEAR TORQUE FOOR LBS. 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. Back off left-side adjusting nut approximately 2 slots. 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. How Much Hp Can Stock 5.3 Injectors Handle, What Kind Of Gas Does A Jeep Cherokee Take, Popping Noise When Accelerating And Braking. .006" to .010" 120 ft-lbs. FOR 1994-2001 CHEVY S10's & GMC SONOMA's. **ALL TORQUE SPECS ARE PER GM FACTORY & HAYNES MANUAL**. Call 800.979.0122, 7am-10pm, everyday. Products include ring and pinion sets, installation kits and axle shafts for GM, Ford, Chrysler, Jeep, and Toyota vehicles. GM 14 Bolt Specs (all data for SRW truck 14 Bolt axle - others may vary - see table on "different 14 bolts" below) . 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. 2/3 drop, HP Tuned, Built 60e, 4.10s, Yukon Duragrip, etc. FORD: .020. If the nut is loose then the crush sleeve must be changed. 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. The most current parts and application information can always be found here on our website or by calling one of our differential parts experts. They say ignorance is bliss but I say it's just damn expensive. An important step I like to take is to assemble the pinion and differential case without the crush sleeve or the new pinion nut. For a better experience, please enable JavaScript in your browser before proceeding. . 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. You have to do it a little differently though. 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. A 2.6-3.0 gear ratio range is perfect for flat places and most people find this ratio suitable for their needs. . Nut secures driveshaft yoke to pinion gear. I don't use it on the bearing cap bolts. This ensures all parts remain tightly fitted together without any space between them, resulting in increased stiffness as well as reduced friction within the system as a whole. Gear oil is nasty stuff, mostly in smell. 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 . 1. We look forward to serving you! Allstar Pinion Nut GM 7.5 8.5 ALL72156. We talked to a few of our in-house race experts about ways to make this racing season your best one yet! Many mechanics use an impact gun while others insist the nut should be torqued by hand. Final torque on the pinion nut is necessary to compress the crush sleeve. Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility. LBS. It was used in different models by all GM divisions with the exception of Cadillac. 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. Skip to main content. Thats usually proven when used in high-performance, high-horsepower applications. 2.2L FOUR CYLINDER ENGINE: Camshaft sprocket bolt 96. I have seen the ring gear bolts, pinion nut and retaining bolt come loose, but never a bearing cap bolt. This is especially true when it comes to cycling. When installing a new 8.5-inch 10-bolt rear differential, it is important to use the right pinion nut for your application. The rotating torque must be 2 to 3 N-m (15 - 25 inch pounds). It is well known that altering the gear ratio of a vehicle, whether it be through changing the pinion or spur gear, can have a significant effect on performance. Order before 4PM and most parts ship out the SAME DAY. Edit: 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. increments until rotating torque is achieved. High-Performance Differentials, Axles & Drivelines, How to Measure and ID Differetial Housings, Filling Trim Holes in Car Body: Sheet Metal Welding Tips, Q&A With Our Race Experts: Tuning and Maintenance Tips, Small Block and Big Block Chevy Engine Flexplate Guide, How to Adapt LS Engine to 700R4 or Turbo 350 Transmissions, Chevy C10 Driveshaft Length Measuring Guide, GM Steering Column Compatibility, Interchange & Repair Guide. Tighten bolt to 20 ft/lbs. There is no way to happiness.happiness is the way. 3.08 and numerically lower gears = 1.660-inch, 3.23 and numerically higher gears = 1.950- inch, 2.73 and numerically lower gears = 1.615-inch, 3.08 and numerically higher gears = 2.00-inch, 2.56 and numerically lower gears = 1.530-inch, 2.73 and numerically higher gears = 1.720-inch. The following are recommended Differential Set-Up Specifications for various differentials. Preload plays an important role in many machine designs for its ability to reduce wear and tear on critical components while improving efficiency and accuracy. 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. 9 Minutes Read / Failure to apply enough preload on the bearings can have an adverse affect on gear contact patterns. There are a few that have geared axles on here so they should chime in and help out with Real TECH :rocking: Preloading a bearing eliminates the clearance, which increases stiffness and reduces friction. 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 number of teeth on each of these gears determines how much rotational force is converted into torque or speed. 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. The X and F-body spring perches come in two versions: mono-leaf (left) which is shallower than the multi-leaf (right). Once properly secured in place, you should have no further issues with your pinion nut installation. 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? Tightening Torque Clamp Load You will need a torque meter in inch-lb. sny 00235 converted 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. Once you give everything a thorough inspection you can begin the re-assembly process. 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. The "feel" people are way more experienced that you or I so the top one is re-commended. The side bearing preload is the difference of preloads (5) x the gear ratio (3.73) = 18.65. The Series 3 carriers are good for use with 2.73 and lower gears (numerically higher), so 3.08 and 3.73 gears work well. It saved me time and effort trying to crush a brand new crush sleeve. All 8.6-inchrears have disc brakes, and 8.5-inch units have drum brakes. 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 gear bolts. 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. For inquiries about our products and services, please fill out the form below. Then after getting the proper gear patterns you put the new crush sleeve and seal in place and tighten the pinion nut to force the crush sleeve. Next remove the nut and change the seal. This is done in order to decrease pre-load on the bearings; adding more shims will have an overall effect of decreasing it. GM 8.5" 10 Bolt / Ring & Pinion Gear Set w/ Master Bearing . PINION PRELOAD NEW INCH LBS. There is an anomaly to the corporate 8.5-inch axle assembly that was used in some 1971 and 1972 Buick, Oldsmobile, a few 1969 through 1972 Pontiac vehicles, as well as the 1970 through 1972 Monte Carlo. 3/8" x all lengths 45-50 ft lb. Finding a 12-bolt that is affordable, is getting to be anearly impossible endeavor. 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. 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. We show you how to keep that old GM transmission when swapping in an LS engine. 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 . Reply Quote. Tighten to 8 ft-lbs (10 N-m), then tighten an additional 1/3 turn to at least 37 ft-lbs (50 N-M). 2. unbolt pinion nut. The 12-bolt is generally considered to be the stronger of the two rear axles. It is not an uncommon sight to see a Yukon Gear Pinion Nut when it comes to automotive repairs. 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. The torque required to seat the nut is very large, possible 200 ft-lbs or more. It is important to keep in mind that this can change dramatically based on specific materials used or other variables so it is critical to be sure to consult any instruction manual included with your differential cover before attempting any installation. 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. 2008 Sprinter 2500 170 - camper van. ALL72156. Crankshaft Pulley to Crankshaft bolt 77. 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. Replace original worn or damaged nuts each time a gear set is changed. The rear end is full of it. Inside the 8.2-inch 10-bolt, the ring-gear bolts have 9/16-inch socket heads with 3/8-24 left-hand threads. This axle was found in various vehicles from Chevrolets and Pontiacs to Oldsmobiles and Buicks with some of these models continuing production well into the early 80's. It's got a 350 with a 10-bolt rear end. This tension is achieved through a collapsible spacer which is placed between the bearings and then compressed by turning the pinion gear nut.