K 2500 Yukon 4WD V8-6.0L VIN U (2000)
6. Install the auxiliary HVAC module assembly (4) to the vehicle.
7. Install the two bolts (3) inside the vehicle in order to retain the case to the vehicle.
8. Install the upper auxiliary air duct (1) to the air distributor duct. Install the fastener (5).
9. Connect the electrical connectors.
10. Install the RTD Module.
11. Install the right rear quarter trim panel.
12. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
NOTE: Refer to Fastener Notice in Service Precautions.
13. Install the nuts (2) that secure the auxiliary HVAC module to the vehicle.
Tighten
Tighten the nuts to 9 N.m (80 lb in)
