For 1990-2009 cars

#### Tools Required

• | J 8001 Dial Indicator Set

• | J 25025-7A Dial Indicator Stand

• | 4t80E Alignment Pin Set and Mounting Post

• | J 26958 Output Shaft Loading and Aligning tool

• | J 26958-10B Adapter Plug

• | J 28585 Snap Ring Remover

• | J 38385 Output Shaft Loading Tool Adapter

1. Make sure that the thrust washer (714) and the bearing (715) are still on the front differential carrier.
2. Install the case extension seal (8) onto the case extension (6).
3. Install the case extension assembly (6) onto the transmission (3).
4. Install only two of the four case extension bolts (5).

Tighten
Do not torque the bolts. Tighten them only until the case extension is fully seated.

5. Position the transmission so that the case extension is facing upward.
6. Install 4t80E , J 26958-10B , and J 8001 .
7. Set the dial indicator to zero.
8. Use J 28585 or a large screwdriver in order to lift the front differential carrier. Pry up on the vehicle speed sensor reluctor wheel through the sensor hole in the case extension.
9. Note the dial indicator reading before changing the carrier thrust washer (714):

• | If the dial indicator reading is less than 0.12 mm (0.005 in), install the next smaller size thrust washer, then recheck.

• | If the dial indicator reading is greater than 0.62 mm (0.025 in), install the next larger size thrust washer, then recheck.

• | If the dial indicator reading is 0.12-0.62 mm (0.005-0.025 in), the thrust washer is correct.

10. Remove J 8001 and J 25025-7A .
11. Install J 26958 , J 26958-10B , and J 38385 onto the case extension (6).