TrailBlazer 4WD L6-4.2L VIN S (2002)
Transfer Case Actuator: Service and Repair
Transfer Case Motor/Encoder Replacement (Trailblazer Ext, Envoy XL)
Transfer Case Motor/Encoder Replacement (Trailblazer EXT, Envoy XL)
Removal Procedure
Important: Before the motor/encoder is removed, ensure that the motor/Encoder is in the neutral position.
1. Raise the vehicle.
2. Remove the transfer case shield, if equipped.
3. Remove the motor/encoder electrical connector.
4. Remove the motor/encoder mounting bolts.
5. Remove the motor/encoder assembly.
Installation Procedure