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What is torque spec for 1964 Riviera rear axle pinion nut?

We only needed to replace the pinion seal in the transmission housing. Disassembly pinion and ring was not necessary. Still need the torque value for the pinion nut.

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The same book that I hope you used in setting the ring and pinion backlash will give you the ( Rolling Torque). Once the pinion nut is set, a new crush sleeve will be required to correct. This axel will not go around the block if back lash is not correct.

Posted on May 10, 2017

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What if no pinion bearing preload was recorded before disassembly of rear diff pinion seal


The only way you can get an accurate preload reading is with an in/lb torque wrench on the pinion nut with the carrier removed.

Not knowing which differential is in the truck, I'm guessing a 9.25" rear loader type.

The correct way to do it is remove the axles and ring gear carrier. Set your preload with a NEW crush sleeve and in/lb torque wrench. Re-install the ring gear carrier and check contact pattern and backlash.

That said, you probably will be alright if you re-torque the pinion nut to spec plus a hair. Look it up in a manual. EXAMPLE: if it's 210 MINIMUM ft/lb add 5-10 lbs. Preload is 10-20 in/lbs. I have seen shops do this to save the customer money (or charge them for complete disassembly and not do the work). It should take up the slack from the crush sleeve.

This is NOT the correct way, but if you are in a bind it might work. I can't guarantee the bearing won't fail in the future.

Apr 05, 2015 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

1998 ford explorer 2 wheel drive rear wheel bearing replacement


what about it?

conventional axle or limited slip? Get axle code off door sticker.

SECTION 205-02: Rear Drive Axle/Differential - Ford 8.8-Inch Ring Gear 1998 Explorer/Mountaineer Workshop Manual
IN-VEHICLE REPAIR Rear Wheel Bearing and Axle Shaft Oil Seal -4.0L SOHC and 4.0L EI, Conventional
Special Tool(s) swn~us~en~file=st1514a.gif~gen~ref.gif Axle Seal Replacer
T83T-1175-A swn~us~en~file=st1283a.gif~gen~ref.gif Axle Wheel Bearing Puller
T83T-1225-A swn~us~en~file=st1322a.gif~gen~ref.gif Axle Wheel Bearing Replacer
T83T-1225-B swn~us~en~file=st1326a.gif~gen~ref.gif Driver Handle
T80T-4000-W swn~us~en~file=st1185a.gif~gen~ref.gif Impact Slide Hammer
T50T-100-A
Removal
  1. Remove the axle shaft; refer to Axle Shaft in this section.
Axle Shaft Removal
  1. swn~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not use heat to loosen a seized lug nut. Heat can damage the wheel (1007) and the rear wheel bearings (1225).
    Loosen the lug nuts (1012).
    1. Remove the center cap.
    1. With the weight of the vehicle on the wheels, loosen the lug nuts.
  1. Raise and support the vehicle.
  1. Remove the wheel and tire assembly.
    1. Remove the lug nuts.
    1. Remove the wheel and tire assembly.
  1. Remove the axle housing cover (4033).
    1. Loosen the axle housing cover bolts (4346) and drain the rear axle (4001).
    1. Remove the axle housing cover bolts.
    1. Remove the axle housing cover.
  1. Remove the rear disc brake rotors (2C026); refer to Section 206-04 .
  1. swn~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Once the differential pinion shaft (4211) has been removed, turning the differential case (4204) or an axle shaft (4234) will cause the differential pinion gears (4215) to fall out of the assembly. This could result in chipped or damaged components.
    Remove the differential pinion shaft.
    1. Remove the differential pinion shaft lock bolt.
    1. Remove the differential pinion shaft.
  1. swn~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not damage the rubber O-rings in the U-washer grooves.
    Remove the U-washers (4N237).
    1. Push the axle shafts inboard.
    1. Remove the U-washers.
  1. Reinstall the differential pinion shaft.
    1. Install the differential pinion shaft.
    1. Install the differential pinion shaft lock bolt finger-tight.
  1. swn~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not damage the inner wheel bearing oil seal (1177).
    Remove the two axle shafts.
Installation
  1. Lubricate the lip of the inner wheel bearing oil seal.
    • Use Premium Long-Life Grease XG-1-C or equivalent meeting Ford specification ESA-M1C75-B.
  1. swn~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Once the differential pinion shaft has been removed, turning the differential case or an axle shaft will cause the differential pinion gears to fall out of the assembly. This could result in chipped or damaged components.
    Remove the differential pinion shaft.
    1. Remove the differential pinion shaft lock bolt.
    1. Remove the differential pinion shaft.
  1. swn~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not damage the inner wheel bearing oil seal.
    Install the two axle shafts.
  1. swn~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Do not damage the rubber O-rings in the U-washer grooves.
    Install the U-washers.
    1. Position the two U-washers on the button end of the axle shafts.
    1. Pull the axle shafts outward.
  1. Install the differential pinion shaft.
    1. Align the hole in the differential pinion shaft with the differential pinion shaft lock bolt hole.
    1. Install the differential pinion shaft lock bolt.
  1. Install the rear disc brake rotors; refer to Section 206-04 .
  1. Install the axle housing cover and fill the rear axle housing (4010) with 2.4 liters (5.5 pints) of specified lubricant; refer to Axle Housing Cover in this section.
  1. swn~us~en~file=ani_caut.gif~gen~ref.gif WARNING: Always remove any corrosion, dirt or foreign material that may be present on the mounting surfaces of the wheel or the surface of the wheel hub or rear disc brake rotor that contacts the wheel. Installing wheels without proper metal-to-metal contact at the wheel mounting surfaces can cause the lug nut to loosen and the wheel to come off while the vehicle is in motion, causing loss of control.
    Clean the wheel hub and mounting surfaces.
  1. Install the tire and wheel assembly.
    1. Position the tire and wheel assembly.
    1. Install the lug nuts and lower the vehicle.
    1. Tighten the lug nuts.
    1. Install the center cap.


  1. swn~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Never remove the axle shaft oil seal by itself. Always remove the rear wheel bearing and the axle shaft oil seal at the same time.
    NOTE: If the axle shaft oil seal is leaking, the axle housing vent may be plugged with debris.
    Use Impact Slide Hammer and Axle Wheel Bearing Puller to remove the rear wheel bearing and the axle shaft oil seal.
Installation
  1. Lubricate the new rear wheel bearing.
    1. Use Thermally Stable Rear Axle Lubricant XY-80W90-QL or equivalent meeting Ford specification WSP-M2C197-A.
  1. Use Axle Wheel Bearing Replacer with Driver Handle to install the rear wheel bearing.
  1. Lubricate the lip of the new axle shaft oil seal.
    • Use Premium Long-Life Grease XG-1-C or equivalent meeting Ford specification ESA-M1C75-B.
  1. Use Axle Seal Replacer with Driver Handle to install the axle shaft oil seal.
  1. Install the axle shaft; refer to Axle Shaft in this section.

May 18, 2011 | Ford Explorer Cars & Trucks

1 Answer

I need the torque specs on a rear axle pinion nut for a 2003 Dodge Ram 2500 4/4 Cummins, Automatic.


The pinion nut does not have a torque spec. as in how tight the nut is. The amount of torque is measured in bearing preload. You will need a "torque to rotate" torque wrench. If you are using new bearings the torque spec. is 15-25 in. lbs. If you are using your old bearings the torque spec. is 10-20 in. lbs to rotate. To measure this you will need to tighten the nut in small increments then use the torque to rotate wrench to turn the pinion without the carrier/ ring gear installed. Repeat until desired torque is reached.

Jan 29, 2011 | Dodge Ram 2500 Cars & Trucks

1 Answer

Replaced rear axle pinion bearing and seal, need to know pinion nut torque spec. for aam rear axle 2005 dodge 3500 4x4 Thanks.


There is no torque specs,this nut has to be tightened back like it was ,the best thing to do,was,to late now,is to use a torque wrench to remove the nut,and remember the torque,and when replacing it,torque it back to that spec,the reason being,there is a crush sleeve between the front pion bearing ,and the rear pinion bearing,and it has to be crushed to a certain amount,to aquire deepness into the ring gear,anyway just give it about 25 lbs torque,any more the crush sleeve will crush even more and the deepness of the pinion will be too much.

Apr 19, 2010 | 2005 Dodge Ram

1 Answer

I am replacing the seal on the rear penion i need touqe specs on the nut


PINION FLANGE & OIL SEAL

CAUTION: Following procedure must be used to retain proper pinion bearing preload. Failure to follow procedure may result in premature axle assembly or component failure. Ensure pinion bearing preload is checked before disassembly, as previous pinion bearing preload will be used during reassembly.

Removal

1. Raise and support vehicle. Scribe reference mark on drive shaft-to-pinion flange on differential for reassembly reference. Remove bolts and "U" joint straps at pinion flange on differential.
Disconnect drive shaft from differential.
2. Remove rear wheels and brake drums to prevent any drag that may affect pinion bearing preload reading. Using INCH-lb. torque wrench, measure amount of force required to rotate pinion. This is pinion bearing preload. Record pinion bearing preload for reassembly reference.
3. Using Holder (6719), hold pinion flange. Remove pinion nut and washer. Scribe reference mark on pinion flange-to-pinion for reassembly reference. Using appropriate puller, remove pinion flange from pinion. Remove oil seal from axle housing.

Installation

1. Ensure oil seal surface in axle housing is clean. Coat lip of oil seal with gear lube. Install oil seal using appropriate seal installer. Drive oil seal into axle housing until oil seal installer contacts axle housing.
2. Install pinion flange on pinion with reference mark aligned. Using appropriate pinion flange installer, install pinion flange on pinion.

CAUTION: Washer must be installed on pinion with convex side of washer facing outward (away from pinion).

3. Install washer on pinion with convex side of washer facing outward (away from pinion). Install NEW pinion nut. Tighten pinion nut to 210 ft. lbs. (285 N.m). Rotate pinion several times to seat pinion bearings.

CAUTION: DO NOT overtighten or loosen then retighten pinion nut when adjusting pinion bearing preload. If pinion nut is overtightened, collapsible spacer on pinion must be replaced.

4. Rotate pinion using INCH-lb. torque wrench. Rotating torque should be equal to reading recorded in removal step 2) , plus 5 INCH lbs. (.056 N.m). If rotating torque is low, tighten pinion nut in small increments until proper rotating torque is obtained.
5. To install remaining components, reverse removal procedure using NEW "U" joint straps and bolts. Ensure all reference marks are aligned. Tighten bolts to specification. Check lubricant level and add if necessary.




Jan 23, 2010 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

Changing rear axle seal on 78 ford f150. looking for diagram.


You probably have the 9 inch differential. If it is a rear wheel seal remove the tire and wheel assembly. Be sure to use a jack stand so you don't have the vehicle fall on you. Remove the 4 retaining bolts that hold the backing plate onto the housing. Pull the axle from the axle tube. It may be stubborn at removal. If it is the pinion seal remove the drive line. Remove the pinion nut that rests inside the yoke. Try to use an impact tool for easy removal. Once the nut is off the yoke willcome off. You may need a puller to help in removal. One the yoke is off remove the pinion shaft seal. Replace with a new seal. install the yoke and the washer and then the pinion nut. Re-torque the pinion nut to 150 foot pounds.

Jan 17, 2010 | Ford F-150 Cars & Trucks

1 Answer

Rear differential on a 2004 Mustang gt leaking fluid


this is for 2003 7.5 inch ring gear axle. SECTION 205-02A: Rear Drive Axle/Differential — Ford 7.5-Inch Ring Gear 2003 Mustang Workshop Manual IN-VEHICLE REPAIR Drive Pinion Flange and Drive Pinion Seal Special Tool(s) s3b%7eus%7een%7efile=st2026a.gif%7egen%7eref.gif2-Jaw Puller 205-D072 (D97L-4221-A) or equivalent s3b%7eus%7een%7efile=st1257a.gif%7egen%7eref.gifHolding Fixture, Drive Pinion Flange 205-126 (T78P-4851-A) s3b%7eus%7een%7efile=st1862a.gif%7egen%7eref.gifInstaller, Drive Pinion Flange 205-002 (TOOL-4858-E) or equivalent Removal
  1. Raise and support the vehicle.
  1. Remove the rear wheel and tire assemblies.
  1. s3b%7eus%7een%7efile=ani_caut.gif%7egen%7eref.gif CAUTION: Remove the rear brake calipers to prevent drag during the drive pinion bearing preload adjustment. s3b%7eus%7een%7efile=ani_caut.gif%7egen%7eref.gif CAUTION: Do not allow the calipers to hang from the brake hoses. Remove the rear brake caliper and support bracket from the knuckle as an assembly. Wire the caliper and support bracket assembly out of the way.
  2. s3b%7eus%7een%7efile=ani_caut.gif%7egen%7eref.gif CAUTION: Index-mark the driveshaft flange and pinion flange (4851) to maintain initial balance during installation. s3b%7eus%7een%7efile=ani_caut.gif%7egen%7eref.gif CAUTION: The driveshaft centering socket yoke fits tightly on the pinion flange pilot. Never hammer on the driveshaft or any of its components to disconnect the yoke from the flange. Pry only in the area shown, with a suitable tool, to disconnect the yoke from the flange. Disconnect and position the driveshaft out of the way.
  1. Install an Nm (inch/pound) torque wrench on the nut and record the torque necessary to maintain rotation of the drive pinion gear through several revolutions.
  1. s3b%7eus%7een%7efile=ani_caut.gif%7egen%7eref.gif CAUTION: After removing the nut, discard it. Use a new nut for installation. Use the special tool to hold the pinion flange while removing the nut.
  1. Index-mark the pinion flange and drive pinion gear stem to maintain initial balance during installation.
  1. Using the special tool, remove the pinion flange.
Installation
  1. Inspect the pinion flange seal journal for rust, nicks, and scratches prior to installing the flange. Polish the seal journal with fine crocus cloth, if necessary.
  1. Lubricate the pinion flange splines.
    • Use SAE 80W-90 Premium Rear Axle Lubricant XY-80W90-QL or equivalent meeting Ford specification WSP-M2C197-A.
  1. NOTE: Disregard the index marks if installing a new pinion flange. Position the pinion flange.
  1. Using the special tools, install the pinion flange.
  1. s3b%7eus%7een%7efile=ani_caut.gif%7egen%7eref.gif CAUTION: Do not under any circumstance loosen the nut to reduce preload. If it is necessary to reduce preload, install a new collapsible spacer (4662) and nut. s3b%7eus%7een%7efile=ani_caut.gif%7egen%7eref.gif CAUTION: Remove the special tool while taking preload readings with the Nm (inch/pound) torque wrench. Tighten the nut to set the preload.
    • Rotate the drive pinion occasionally to make sure the differential pinion bearings (4630) (4621) seat correctly. Take frequent differential pinion bearing torque preload readings by rotating the drive pinion with a Nm (inch/pound) torque wrench.
    • If the preload recorded prior to disassembly is lower than the specification for used bearings, then tighten the nut to specification. If the preload recorded prior to disassembly is higher than the specification for used bearings, then tighten the nut to the original reading as recorded.
    • Refer to the torque specification for used differential pinion bearings in the Specifications portion of this section.
  1. s3b%7eus%7een%7efile=ani_caut.gif%7egen%7eref.gif CAUTION: Align the index marks. s3b%7eus%7een%7efile=ani_caut.gif%7egen%7eref.gif CAUTION: Install the driveshaft with new bolts. If new bolts are not available, apply Threadlock and Sealer EOAZ-19554-AA or equivalent meeting Ford specification WSK-M2G351-A5 to the threads of the original bolts. s3b%7eus%7een%7efile=ani_caut.gif%7egen%7eref.gif CAUTION: The driveshaft centering socket yoke fits tightly on the pinion flange pilot. To make sure that the yoke seats squarely on the flange, tighten the bolts evenly in a cross pattern as shown. Connect the driveshaft. .
  1. Install the rear brake calipers.
  1. Install the rear wheel and tire assemblies.
  1. Lower the vehicle.

May 26, 2009 | 2004 Ford Mustang

1 Answer

Pinion nut torque spec chev


Axle Preload and Backlash Specifications 8.0 Axle Preload and Backlash Specifications Application
Specification
Metric
English
Backlash
0.08-0.25 mm
0.003-0.010 in
Backlash (Preferred)
0.13-0.18 mm
0.005-0.007 in
Pinion Bearing Preload, New Bearings
1.7-3.4 N·m
15-30 lb in
Pinion Bearing Preload, Used Bearings
1.1-2.3 N·m
10-20 lb in
Pinion and Differential Case Bearing Preload, New Bearings
3.4-6.2 N·m
30-55 lb in
Pinion and Differential Case Bearing Preload, Used Bearings
2.8-5.1 N·m
25-45 lb in

May 17, 2009 | 2006 Chevrolet Colorado

1 Answer

2005 chevy 4x42500hd


Hi..
On your 05 Chevy 4X4 2500HD.
The Pinion Yoke Nut, 9.75" Axle. the torq spec. is 370 Nm. -- 273 Lb ft.

I hope this help on your question.

Thank you for use fixya...

Nov 04, 2008 | 2008 Chevrolet Silverado 2500HD 2WD

1 Answer

Pinion seal leaking


check your rear diff vent if pluged clean it out and clean up the pinion seal.sometimes if the leak is caused by pluged vent and has not been leaking long once vent is clean sometimes the leak will stop.there is not a specific torque amount because it is rotational torque(how hard to turn pinion).there is a crush sleve on the pinion and if torqued too tight or too loose brg preload will be wrong and brg damage could result.mark and remove drive shaft.remove rear wheels,brakes,axles.so when turning pinion you dont have any drag from brakes or axles.mark the position of the yoke on the pinion.remove yoke,replace seal,reinstall yoke be sure to replace pinion nut.tighten nut until it takes the exact same amount of force to turn pinion as before taking original pinion nut off.hope this helps.

Oct 22, 2008 | 2004 Ford F250

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