Yukon XL 2500 4WD V8-6.0L VIN N (2006)
Tighten the screws to 2 N.m (18 lb in).
3. Install the evaporator core cover (1) to the HVAC module assembly (2).
4. Install the screws to the evaporator core cover (1).
Tighten the screws to 2 N.m (18 lb in).
5. Install the HVAC module assembly.
6. Reprogram the recirculation actuator. Refer to Re-Calibrating Actuators.
Mode Actuator
MODE ACTUATOR REPLACEMENT - AUXILIARY
REMOVAL PROCEDURE
1. Remove the right rear quarter trim panel.
2. Disconnect the electrical connector from the mode actuator (1).
3. Remove the retaining screws from the mode actuator.
4. Remove the mode actuator (1) from the vehicle.
INSTALLATION PROCEDURE
1. Install the mode actuator (1) to the vehicle.
2. Install the screws to the mode actuator (1).
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten the screws to 1.6 N.m (14 lb in).
3. Connect the electrical connector to the mode actuator.
4. Install the right rear quarter trim panel.