Installation Procedure
- Lubricate the differential side bearings with axle lubricant. Use the proper fluid. Refer to Fluid and Lubricant Recommendations .
- Install the J-45222-10 axle housing spreader adapters (1) and the J 45222 axle housing spreader (2) to the front axle housing as shown.
- Install the J 8001-1 (2), the J 8001-2 (3) the J 34178 spreader gauge adapter (4, 6), and the J 8001-3 (5) as shown.
- Preload the J 8001-3 (5) approximately 3/4 of a turn clockwise.
- Rotate the indicator housing to align the indicator needle of the J 8001-3 (5) and the dial indicator face to ZERO.
- Spread the axle housing by turning the clevis screw of the J 34178 spreader gauge adapter while observing the J 8001-3 . Spread the housing just enough to remove the differential assembly. DO NOT spread the housing more than 1.02 mm (0.040 in).
- Place the case with the bearing cups installed into the axle housing.
- Install the bearing caps and bolts. Do not torque the bearing cap bolts at this time.
- Adjust the differential side bearing preload. Refer to Drive Pinion and Ring Gear Replacement .
- Adjust the backlash. Refer to Backlash Inspection and Adjustment .
- Perform the gear tooth contact pattern check. Refer to Gear Tooth Contact Pattern Inspection .
- Tighten the bearing cap bolts.
Tighten
Tighten the bearing cap bolts to 40 N.m (30 lb ft).
- Install the front axle housing cover gasket.
- Install the front axle housing cover and bolts.
Tighten
Tighten the bolts to 20 N.m (15 lb ft).
- Install the front axle shaft housing tube assembly to the front drive axle housing.
- Install the bolts retaining the front axle shaft housing tube assembly to the front drive axle housing.
Tighten
Tighten the front axle shaft tube to axle bolts to 60 N.m (44 lb ft).
- Remove the J-45935 holding fixture from the front drive axle housing.
- Install the front axle assembly to the vehicle. Refer to Front Axle Replacement .
CAUTION:
Refer to Fastener Caution .