Chrysler RAM TRUCK 2500 1994 Service Manual page 135

3 - 28 REAR SUSPENSION AND AXLE
SPECIAL TOOL
7794A
DIFFERENTIAL
HOUSING
SUDE HAMMER
PINION SEAL
J9402-59X
Fig. 4 Pinion Seal Remowal
(3) Install yoke with Installer D-191 (Fig. 5).
YOKE
INSTALLER
YOKE
HOLDER
J9402-61
Fig. 5 Yoke Installation
(4) Install washer with concave surface against
yoke on Model 70 axle. Install nut on shaft and
tighten nut to (Fig. 6);
• Model 70: 298-379 N-m (220-280 ft. lbs.) torque
• Model 80: 597-678 N-m (440-500 ft. lbs.) torque
(5) Align the installation reference marks and at­
tach the drive shaft to the yoke.
(6) Add gear lubricant to the differential housing i f
necessary.
(7) Remove support and lower the vehicle.
PINION SEAL REPLACEMENT—MODEL 60
REMOVAL
(1) Raise and support the vehicle.
(2) Remove wheel and tire assemblies
TORQUE WRENCH
J9402-62
Fig. 6 Tightening Pinion Shaft Nut
(3) Mark the propeller shaft yoke and pinion yoke
for installation alignment reference.
(4) Remove the propeller shaft from the yoke.
(5) Rotate the pinion gear three or four times.
Make sure brakes are not dragging during this
procedure.
(6) Measure the amount of torque (in Newton-
meters or inch-pounds) necessary to rotate the pinion
gear with a torque wrench. Note the torque for in­
stallation reference. It must be known to properly
adjust the pinion gear bearing preload torque
after seal installation.
(7) Remove the pinion yoke nut and washer. Use
Remover C-452 and Holder C-3281 to remove the
pinion yoke (Fig. 7).
SPECIAL TOOL
C-3281
SPECIAL TOOL
C-452
J9102-31
Fig. 7 Pinion Yoke Remowal