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Home >> GMC >> 2003 >> Envoy 4WD L6-4.2L VIN S >> Repair and Diagnosis >> Transmission and Drivetrain >> Transfer Case >> Gear Sensor/Switch >> Service and Repair >> Transfer Case Motor/Encoder Replacement (Trailblazer, Envoy)
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Transfer Case Motor/Encoder Replacement (Trailblazer, Envoy)

Transfer Case Motor/Encoder Replacement (TrailBlazer, Envoy)

Removal Procedure

Important: Before the motor/encoder is removed, ensure that the motor/encoder is in the neutral position.

1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the fuel tank 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

Important: When performing this service procedure, make sure that the motor/encoder unit is flat against the transfer case for proper installation.





1. Install the motor/encoder to the transfer case.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install motor/encoder mounting bolts to the transfer case.
Tighten the bolts to 16 Nm (12 ft. lbs.).
3. Install the motor/encoder electrical connector.
4. Install the fuel tank shield, if equipped.
5. Lower the vehicle. Refer to Vehicle Lifting.
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