Express 3500 V8-6.0L VIN U (2004)
3. Remove the lower mode actuator.
INSTALLATION PROCEDURE
1. Install the lower mode actuator.
2. Press lower mode actuator on until you hear tabs engage.
3. Install the I/P carrier.
Auxiliary
MODE ACTUATOR REPLACEMENT - AUXILIARY
REMOVAL PROCEDURE
1. Remove the heater assembly.
2. Remove the retaining screws from the auxiliary mode actuator.
