Installation Procedure
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Install the right temperature door (2) to the upper HVAC module case (1).
- Install the upper HVAC module case (1) to the lower HVAC module case (2).NOTE: Refer to FASTENER NOTICE .
- Install the screws to the HVAC module.
Tighten
Tighten the screws to 2 N.m (18 lb in).
- Install the wiring harness to the HVAC module.
- Install the lower recirculation housing (1) to the HVAC module (2).
- Install the screws to the lower recirculation housing (1).
Tighten
Tighten the screws to 2 N.m (18 lb in).
- Install the upper recirculation housing (1) to the HVAC module (2).
- Install the screws to the upper recirculation housing (1).
Tighten
Tighten the screws to 2 N.m (18 lb in).
- Install the air distribution housing (1) to the HVAC module (2).
- Install the screws to the air distribution housing (1).
Tighten
Tighten the screws to 2 N.m (18 lb in).
- Install the wiring harness to the air distribution housing (1).
- Install the mode actuator (4) to the HVAC module (1).
- Install the screws to the mode actuator (4).
Tighten
Tighten the screws to 2 N.m (18 lb in).
- Connect the electrical connector (3) to the mode actuator (4).
- Install the HVAC module. Refer to HVAC Module Assembly Replacement .