Dodge Ram Truck 1500-2500-3500. Manual — part 113
SEAL-PINION
REMOVAL
1. Remove axle shafts.
2. Mark propeller shaft and pinion flange for installa-
tion reference and remove shaft.
3. Rotate pinion gear three or four times.
4. Measure and record the amount of torque neces-
sary to rotate the pinion gear (1) with an inch
pound torque wrench (2).
5. Hold pinion flange (1) with Flange Wrench 8979 (2)
and remove pinion flange nut and washer.
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6. Remove pinion flange (1) with Flange Puller 8992
(2).
7. Remove pinion shaft seal with a pry tool or slide
hammer mounted screw.
INSTALLATION
1. Install new pinion seal with Installer 8896 (2) and
Handle C-4171 (1)
.
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 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.
8. 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.
9. Rotate pinion several times then verify pinion rotat-
ing torque again.
10. Install axle shafts.
11. Install
propeller
shaft
with
reference
marks
aligned.
12. Check and fill differential if necessary.
DIFFERENTIAL
REMOVAL
1. Remove lubricant fill hole plug from the differential
housing cover.
2. Remove differential housing cover and drain the
lubricant from housing.
3. Remove axle shafts.
4. Remove adjuster lock bolts (1) and adjuster locks
(2).
5. Mark bearing caps (4) left and right for installation
reference.
6. Remove bearing cap bolts and remove bearing
caps.
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7. Loosen differential bearing adjusters (2) (4) with
Spanner Wrench 8883.
8. Remove differential case from the housing.
9. Remove bearing cups and tag them left and right
for installation reference.
DISASSEMBLY
1. Remove pinion shaft (2) with a hammer and punch
from the side with the hole in the pinion shaft.
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