1. Remove the transmission from the vehicle. Refer to Transmission Removal .



2. Remove the following parts:

2.1.	The retainer bolts

2.2.	The retainer assembly

2.3.	The gasket

2.4.	The selective shim

3. Clean the front case and the bearing retainer tube flange sealing surfaces.

Important: If the main drive gear bearing retainer tube flange or the retainer tube is to be replaced, the following procedure must be performed in order to ensure proper transmission main drive gear end play.

Tools Required

1. Assemble the transmission support and fixture tools.

Use J 37337 and J 3289-20 .

Cap the output shaft end of the transmission or drain the transmission oil.




2. Install the transmission to the transmission support and fixture tools.

•	UseJ 37337 and J 3289-20 .

•	Rotate the transmission assembly in order to position the main drive gear UP.




3. Measure the distance from the sealing surface of the front case to the main drive gear bearing outer race using a depth micrometer.

Record the measurement.




4. Measure the distance from the main drive gear bearing retainer flange gasket surface with a new gasket in place to the retainer tube selective shim mating surface using a depth micrometer.

Record the measurement.

5. Record the difference between the two measurements.
6. Subtract 0.05--0.10 mm (0.002--0.004 in) for compressed gasket allowance, from the difference.
7. Select a shim equal to the final difference. Refer to Shim Size Specifications



8. Install the following parts:

8.1.	The selective shim

8.2.	A new gasket

8.3.	The retainer assembly

8.4.	The retainer bolts

Tighten
The bolts to 21 N·m (15 Ib ft).

9. Remove the transmission support and fixture tools.
10. Install the transmission. Refer to Transmission Installation