Sierra Classic 1500 4WD V6-4.3L (2007)
1. Install the mode actuator as an assembly with the actuator cam.
* Line up the heater/defroster valve lever with the mode actuator cam slot.
* Line up the A/C valve lever with the mode actuator cam.
Notice: Refer to Fastener Notice.
2. Install the mode actuator mounting screws to the HVAC module.
Tighten the screws to 1.6 N.m (14 lb in).
3. Connect the electrical connection at the mode actuator (10).
4. Install the center console duct.
5. Install the screws to the center console duct.
Tighten the screws to 1.6 N.m (14 lb in).
6. Install the center console.
7. Install the floor air outlet duct extension (1) to the floor air duct (2).
Mode Actuator Replacement (Without RPO Code D07)
Mode Actuator Replacement (Without RPO Code D07)
Removal Procedure
Notice: In order to avoid actuator damage, DO NOT apply power to the actuator when it is not installed in the HVAC module.
1. Remove the floor air outlet duct extension (1) from the floor duct (2).
2. Remove the body control module.