GM: .035. Step 3: Back off 3/8-turn for automatic hubs, and just enough to free the bearing for manual hubs. FSM says 181-325 ft-lbs. 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 : . 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. Automotive Chassis Torque Specs. 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. You have to do it a little differently though. Ring gear bolts 65 foot pounds, bearing cap bolts 60 foot pounds. Inside the 8.2-inch 10-bolt, the ring-gear bolts have 9/16-inch socket heads with 3/8-24 left-hand threads. With the pinion bearing properly lubricated, increase or decrease . Have a seal puller if possible, makes getting the old one out a lot easier. 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. DANA SPICER: .035. 440-500 lbs ft and I wouldn't tackle it bring it somewhere where they know what they are doing..I have a four foot torque wrench that goes to 500 but thats one hell of a grunt and you have to hold the flange while doing this. Is that really all it takes? Max Ellery's Land Cruiser Repair Manual 1969-1990 (FJ & RJ) Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. Axle Images: Axle Details. 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 . As a result, this construction became one of the most popular axle assemblies on the market due to its durability and affordability. I have seen street 12 bolts that . Locate a Sierra Gear & Axle Distributor near you. It refers to how much tension is applied to the spring before it's installed in the vehicle and can be adjusted accordingly. If it takes a 1/2-inch wrench to remove it, its an 8.2. 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. IMPORTANT: The pinion preload should be at or below 4 Nm (35 inch 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. I have a leaky pinion seal and housing seal so I am planning on replacing the seals in the very near future. This gives us confidence in the quality of the parts we sell. Products include ring and pinion sets, installation kits and axle shafts for GM, Ford, Chrysler, Jeep, and Toyota vehicles. For a better experience, please enable JavaScript in your browser before proceeding. 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 pinion on the left is part of a 4.11:1 gear set; the one on the right is a 3.08:1 pinion. 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. We were lucky and had a desirable contact pattern on both the drive and coast sides of the gear teeth. 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 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. What is the torque specs on pinion nut? FOR 1994-2001 CHEVY S10's & GMC SONOMA's. **ALL TORQUE SPECS ARE PER GM FACTORY & HAYNES MANUAL**. 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. It was used in different models by all GM divisions with the exception of Cadillac. The OEM pinion nut is 1 1/4 inches. The pinion nut should also measure 1 1/8 inches, if the OEM pinion nut is still in use. 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. When compressing the crush sleeve, many guys use an impact wrench and end up crushing it too far, ruining the sleeve. You can use this instead of the crush sleeve. I am also replacing all the bearings on my son's 97 Chevy rear end. Some of the most popular GM vehicles have come with 10-bolt rear ends. BACK LASH 0.000". If the backlash is too tight, you'll need adjust the carrier shim by moving it away from the pinion. It is internally different from the 8.2 Chevy, but has the same external bosses and brackets. 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? I was able to pull the old crush sleeve from the pinion gear shaft without damaging it, so I just reused it and added a 0.51mm shim to it. Next remove the nut and change the seal. There is no way to happiness.happiness is the way. ALL72156. 1/2" x all lengths 100-110 ft lb. We look forward to serving you! stock 4L60E on 5th filter/fluid change; 2nd set of drive shaft u . As the speedometer rises, each gear shift is accompanied by an even more intense sensation of power, making every drive exhilarating and unforgettable. With its superior strength and durability, you can count on your PYN10 pinion nut to remain securely in place for years of reliable service. 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 . Received 16 Likes on 13 Posts. However, the gears will not interchange with a Chevy 8.2. This results in improved performance, longer life span and more efficient operation of the system. GENERAL MOTORS: APPLICATION: FT-LBS / ( N-m) AXLE SHAFT FLANGE BOLT 'S' BODY CAR: 27 (37) TRUCKS: 60 (82) AXLE SPINDLE NUT 'A' BODY: 192 (261) 'C' 'E' 'H' & 'K' BODIES : 180 (245) 'J' & 'L' BODIES . There is a difference, but you cant see it unless you set both units on their side, and then measure the distance from that surface to the face where the ring gear attaches. Ring gear bolts. Sometimes it feels like youre in a race car when you accelerate hard with a high-torque vehicle. Rightfully so, because when comparing the 10 and 12-bolt units, its definitely the more durable of the two. How Much Hp Can Stock 5.3 Injectors Handle, What Kind Of Gas Does A Jeep Cherokee Take, Popping Noise When Accelerating And Braking. Backlash arises when two gear teeth mesh together in order to transmit power from one shaft to another; the teeth need some play to avoid jamming and ensure smooth operation. Well show you what to look for in this buyers guide. Read More. Unfortunately, unless you have the two units side by side, it is nearly impossible to tell them apart. One intimidating part for a lot of guys is the rear end. Pinion nut has no torque spec. 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! Sometimes when repairing or replacing components within a transmission, you may encounter a crush sleeve. Uses 28 or 30 spline c-clip axles. lbs.) 2429 Mercantile Drive Suite A If you installed a new seal, add 1 or 2 in-oz. 2023 Power Automedia. Call 800.979.0122, 7am-10pm, everyday. Order our high performance synthetic oil and friction additive combo kit at time of order for ring and pinion or bearing overhaul kit and pay only $49.95 plus S&H, a $54.00 value. The first is to use a crush collar; this involves applying pressure between the yoke and cup until it reaches the desired depth. Crankshaft Pulley to Hub Bolts 37. This ring and pinion setup guide is Copyright Crawlpedia.com - Please provide a link back to this page when copying. That being said, it isnot recommended for use behind engines that make a serious amount ofhorsepower. 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. 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. The small torque . 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. I need the torque on the pinion nut for the rear differential. When installing a new 8.5-inch 10-bolt rear differential, it is important to use the right pinion nut for your application. This will help ensure that there isn't an excess of tension on these components, which can lead to premature wear or even failure. Nut secures driveshaft yoke to pinion gear. 8-11 in/lbs for broken in bearings is acceptable. Sierra Gear & Axle parts are designed and engineered to the highest quality specifications for use in street, off-road and performance environments. A forum community dedicated to GMC and Chevy full size owners and enthusiasts. 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. Is a GM 10 bolt rear end good? 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. GM 10.5" 14 Bolt: 20 to 35 in-lbs. Currie 44 : Torque: Pinion Nut (Solid Spacer) 250 ft lbs. 5. put back together and tight pinion nut to specified torque. The 8.5-inch pinion diameter is 1.625 inches, whereas the 8.2-inch is smaller at 1.435 inches. It has a black oxide finish that ensures corrosion resistance while its construction of hardened steel ensures durability even under extreme conditions. 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. Torque Specs on Dana 60. If your mom is lunch, then yes, I've eaten lunch twice today. It also has an inner diameter of 1 . .006" to .010" 120 ft-lbs. Once the specified preload has been obtained, make sure the bearings are seated by rotating the pinion several times. The engine roars and the tires dig into the pavement as they work to move your car forward, pushing you back into your seat with tremendous force. Unfortunately, you cannot rely on this torque because the crush sleeve provides unpredictable and non-linear resistance as it buckles and crushes. Use the blue medium strength on the retaining bolt and the red on the others. They say ignorance is bliss but I say it's just damn expensive. 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. The concept of low-end torque is an important one for drivers to understand when it comes to the performance of a vehicle. . does anyone know the torque specs for a 10 bolt 7.5 for the pinion and carrier caps . 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. Carrier Cap Bolts. 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. Rotate the pinion when tightening the nut to seat the bearings evenly. Originally, gear ratios ranged from 2.41 through 4.10. The rotating torque must be 2 to 3 N-m (15 - 25 inch pounds). 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. It also uses a 10 5/8-inch irregular-shaped cover. Dana 60. You can replace the pinion seal without changing the crush sleeve. These are considered highway gears that are good for top speed, not for off-the-line performance. Nov 18, 2016. Order before 4PM and most parts ship out the SAME DAY. 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. For that reason,many enthusiasts are considering the 10-bolt. Is a GM 10 Bolt rear end good? Since it was so widely used, there is a better possibility of finding one of them at a salvage yard thanlocating a 12-bolt. May 22, 2021 / 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. (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). Axle Retainer Plate Nuts: 3/8" T-bolts - 30 ft lbs. The inch pound rating is the force required to turn the pinion after the crush sleeve has been crushed.
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