4R100 Automatic Transmission

Park System

Removal

NOTE: For internal park mechanism service, refer to Manual Control Lever Shaft and Seal.

1. Remove the extension housing and the extension housing gasket.





2. Remove the parking rod guide plate.
1. Remove the bolts.
2. Remove the parking rod guide plate.





3. NOTE: If installing a new park gear, refer to Output Shaft.

Remove the park pawl shaft.
1. Remove the park pawl return spring.
2. Remove the park pawl.
3. Remove the park pawl shaft.

Installation





1. NOTE: If installing a new park gear, refer to Output Shaft.

Install the park pawl shaft.
1. Install the park pawl shaft.
2. Install the park pawl.
3. Install the park pawl return spring.





2. Install the parking rod guide plate.
1. Install the parking rod guide plate.
2. Install the bolts.
3. Install the extension housing gasket and the extension housing.