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1997 Ford Explorer Rear Pinion Nut Torque - 1997 Ford Explorer AWD

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160 ft lbs.

Posted on Jun 06, 2011

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What is the torque spec for a 1978 Ford pinto differential pinion nut?


170 ft.lbs is the minimum; be aware that this differential uses a crush sleeve to set the backlash and the pinion torque is what crushes the crush sleeve. If you don't set the backlash correctly you can grind up your differential gears.
8 Inch Ford Rear End Torque Specifications eHow

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What size socket is needed to remove rear pinion nut on 1997 jeep grand Cherokee limited with a5.2 v8


the rear axle front pinion DANA 44 or AMC?
the answer is not simple , why not read the FSM and unstand it all.
experpted....
  1. On 1990-98 models, set bearing preload as follows:
    1. The required pinion gear bearing preload torque is 1/2 ft. lbs. over the noted release torque as measured above.
    2. Rotate the pinion gear three or four times with a torque wrench attached to the yoke nut. Measure the amount of torque necessary to rotate the pinion.
    3. Using a holding tool, tighten the yoke nut in small increments and remeasure until the specified torque is obtained.



$15
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see diff chapters. its non trivial.

Oct 01, 2014 | 1997 Jeep Grand Cherokee

1 Answer

Can some one tell me the torque spec. on rear pinion nut ?


It depends if you are replacing the pinion seal or fitting up a whole new pinion collapsible spacer. If it just the seal that you are replacing then the tension will be to do the nut up until it is firm. Any over tightening of the nut will further collapse the spacer and over preload the bearings . If you use a new spacer then the tension on the nut is determined by a turning torque on the pinion flange as measured by a spring balance and string. To get it right consult a workshop manual.

Jul 26, 2014 | 1997 Ford F150 Regular Cab

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Pionion on 95 ford t-bird


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May 01, 2013 | Cars & Trucks

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Rear differential leaking on ford f-350 super duty


if you have never done one its best to take to dealer because you have to remove drive shaft and then rear pinion nut and remove seal the tricky part is you have to buy new crush sleeve and thats what sets your pinon depth so that pinion rides in middle of ring gear its called setting your pinion depth if over tighten will hurt bearings and or ring gear and if under tighten will be verry noisey and cause ring and pinion failure best to let someone with special tools and knows what thier doing i use to do all chevy diff at my old dealer your use inch torque wrench to measure the drag on pinion nut and then use 1/2 inch impack to tighten the nut people freak because impack is rated at 600 ft pds but your using inch torque wrench to check drag not how tight nut is good luck

Aug 23, 2012 | 2003 Ford F350 Super Duty DRW SuperCab

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How to replace the rear pinion seal on a 2005 escape


Pinion nut torque is 244Nm / 180 lb-ft
* Must use new nut ! *
Universal joint bolts 23 Nm / 17 lb-ft

Index mark location of the pinion to yoke

Aug 11, 2009 | Ford Escape 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

I need the torque for rear pinion on f350


depends on rear axle you have
Dana 80 pinion nut torque is 470 ft lb pionion brg pre load is 25-45 in lb
Dana S110 pinion nut torque is 832 ft lb pinion brg pre load is 20-40 in lb
Dana S135 pioion nut is 800 ft lb and pinion brg pre load is 10-40 in lb

Mar 20, 2009 | 2004 Ford F350

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

1 Answer

Tork specks for the pinion nut on a 10 1/4 rear end from a 97 f250 hd


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the pinion nut does not have a specific torque there is a crush sleeve in there and preload needs to be set

Sep 24, 2008 | 1997 Ford F250 SuperCab

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