Dodge Ram Truck 1500-2500-3500. Manual — part 93
SEAL-PINION
REMOVAL
1. Mark the propeller shaft and pinion flange (1) for
installation reference.
2. Remove propeller shaft.
3. Remove hub bearings and axle shafts.
4. Rotate pinion gear three or four times.
5. Measure and record the torque necessary 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 and washer.
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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 Installer 8882 (2) and
Handle C-4171 (1).
2. Apply a light coat of teflon thread 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 flange with Flange Wrench 8979 and tighten
pinion nut until pinion end play is taken up.
6. Rotate pinion several times to seat bearings.
7. Measure pinion rotating torque with an inch pound
torque wrench and compare it to recorded mea-
surement. Tighten pinion nut in small increments, until pinion rotating torque is 0.40-0.57 N·m (3-5 in. lbs.)
greater than recorded measurement.
8. Rotate pinion several times then verify pinion rotating torque again.
9. Install axle shafts and hub bearings.
10. Install propeller shaft with reference marks aligned.
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DIFFERENTIAL
REMOVAL
1. Remove differential housing cover and drain lubri-
cant from the housing.
2. Remove hub bearings and axle shafts.
3. Remove adjuster lock bolts (1) and adjuster locks
(2).
4. Mark bearing caps (4) left and right for installation
reference.
5. Remove bearing cap bolts and remove bearing
caps.
6. Loosen differential bearing adjusters (2) (4) with
Spanner Wrench 8883.
7. Remove differential case from the housing.
8. Remove bearing cups (1) (3) and tag them left and
right for installation reference.
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DISASSEMBLY
1. Remove pinion shaft lock bolt.
2. Remove pinion shaft (1).
3. Rotate differential pinion gears (2) to differential
window (1) and remove pinion gears and thrust
washers (3).
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