C 2500 Yukon XL 2WD V8-6.0L VIN U (2001)
6. Install the air temperature actuator (1) to the module.
7. Install the auxiliary HVAC module assembly (3) to the vehicle.
8. Install the two bolts (2,4) inside the vehicle in order to retain the case to the vehicle.
9. Install the air distributor duct (3) and fastener (4).