Dodge Ram Truck 1500-2500-3500. Manual — part 124

SEAL-PINION

REMOVAL

1. Remove axle shafts.

2. Mark the propeller shaft and pinion flange for

installation reference.

3. Remove propeller shaft.

4. Rotate pinion gear (1) three or four times.

5. Measure and record the amount of torque neces-

sary to rotate the pinion gear with an inch pound
torque wrench (2).

6. Hold pinion flange (1) with Flange Wrench 8979 (2)

and remove pinion flange nut.

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7. Remove pinion flange (1) with Pinion Flange Puller

8992 (2).

8. Remove pinion shaft seal with a pry tool or slide

hammer mounted screw.

INSTALLATION

1. Install new pinion seal with Handle C-4171 (1) and

Installer 8896 (2).

2. Apply a light coat of teflon sealant to the pinion

flange splines.

3. Lightly tap the pinion flange onto the pinion until a

few threads are showing.

4. Install flange washer and new pinion nut.

5. Hold pinion flange (2) with Flange Wrench 8979 (1)

and tighten pinion nut until pinion end play is taken
up.

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6. Rotate pinion several times to seat bearings.

7. Measure pinion (1) rotating torque with an inch

pound torque wrench (2) and compare it to
recorded measurement. Tighten pinion nut in small
increments, until pinion rotating torque is 0.40-0.57
N·m (3-5 in. lbs.) greater than recorded measure-
ment.

8. Rotate pinion several times then verify pinion rotat-

ing torque again.

9. Install axle shafts.

10. Install

propeller

shaft

with

reference

marks

aligned.

11. Check differential fluid level.

DIFFERENTIAL

REMOVAL

1. Remove fill hole plug from the differential housing

cover.

2. Remove differential housing cover and drain the

lubricant.

3. Remove axle shafts.

4. Remove adjuster (3) lock bolts (1) and adjuster

locks (2).

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5. Mark bearing caps left and right for installation ref-

erence.

6. Remove bearing cap bolts and remove bearing

caps.

7. Loosen differential bearing adjusters (2) (4) with

Spanner Wrench 8883.

8. Remove differential case from the housing.

9. Remove bearing cups (1) (3) and tag them left and

right for installation reference.

DISASSEMBLY

1. Remove ring gear.

2. Remove pinion shaft (2) with a hammer and punch

from the side with the hole in the pinion shaft.

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