Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
2. Disconnect the electrical connector (4) from the right air temperature actuator (3).
3. Remove the screws from the right air temperature actuator (3).
4. Remove the right air temperature actuator (3) from the HVAC module assembly (2).
INSTALLATION PROCEDURE
1. Install the right air temperature actuator (3) from the HVAC module assembly (2).
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the screws to the right air temperature actuator (3).
Tighten
Tighten the screws to 2 N.m (18 lb in).
3. Connect the electrical connector to the right air temperature actuator.
4. Install the I/P carrier.
5. Reprogram the air temperature actuator. Refer to Re-Calibrating Actuators. See: Testing and Inspection/Component Tests and General Diagnostics
Mode Actuator (With RPO Code D07)
MODE ACTUATOR REPLACEMENT (W/ D07)
REMOVAL PROCEDURE