Differential: Service and Repair

DISASSEMBLE

Exploded View Of Differential:

1. Using pinion and carrier bearing puller tool No. D81L-4220-A, or equivalent, remove tapered roller bearings from each end of differential.
2. Remove final drive ring gear bolts, then tap gear with a soft-faced mallet to separate from differential assembly
3. Gently pry on speedometer drive gear to remove from differential.

ASSEMBLE
1. Install final drive ring gear on differential housing and secure with new self-locking bolts. Tighten bolts to 88 Nm (65 ft lb) in an alternating pattern.
2. Install speedometer drive gear, ensuring recesses engage in differential housing, then use differential bearing cone replacer tool No T94P-7025-GH and driver tool No. T80T-4OOO-W, or equivalents, to press tapered roller bearing into position.

Differential Taper Roller Bearing Installation:

3. Support differential assembly beneath ring gear, then use differential bearing cone replacer and driver tools as shown to install tapered roller bearing.