Yukon Denali 2WD V8-6.0L Hybrid (2010)
6. Remove the auxiliary heater pipes (1, 2) from the heater inlet and outlet tees (3, 4) at the HVAC module.
7. Remove the vehicle right assist step. Refer to Assist Step Replacement (Z71) (See: Body and Frame/Auxiliary Step / Running Board/Service and
Repair/Assist Step Replacement (Z71))Assist Step Replacement (Power BRS) (See: Body and Frame/Auxiliary Step / Running Board/Service
and Repair/Assist Step Replacement (Power BRS))Assist Step Replacement (Chevrolet HP2) (See: Body and Frame/Auxiliary Step / Running
Board/Service and Repair/Assist Step Replacement (Chevrolet HP2))Assist Step Replacement (GMC Denali XL) (See: Body and
Frame/Auxiliary Step / Running Board/Service and Repair/Assist Step Replacement (GMC Denali XL)).
Remove both of the right tires. Refer to Tire and Wheel Removal and Installation (See: Wheels and Tires/Service and Repair).
8. Remove the right rear wheelhouse panel. Refer to Rear Wheelhouse Panel Liner Replacement (RPO HP2) (See: Body and Frame/Fender/Rear
Fender/Rear Fender Liner/Service and Repair/Rear Wheelhouse Panel Liner Replacement (RPO HP2))Rear Wheelhouse Panel Liner Replacement
(RPO X88 Chevrolet, RPO O88 GMC) (See: Body and Frame/Fender/Rear Fender/Rear Fender Liner/Service and Repair/Rear Wheelhouse
Panel Liner Replacement (RPO X88 Chevrolet, RPO O88 GMC)).
9. Remove the right front wheelhouse panel. Refer to Front Wheelhouse Liner Replacement - Right Side (See: Body and Frame/Fender/Front
Fender/Front Fender Liner/Service and Repair/Front Wheelhouse Liner Replacement - Right Side).
10. Remove the auxiliary heater pipes (2, 3) from the auxiliary heater core.
11. Remove the heater/A/C tubes retaining nut (4) from the stud (1) at the frame (6).
12. Remove the auxiliary heater pipes (2) from the clamps (5).
13. Remove the auxiliary heater pipes from the vehicle.
Installation Procedure
Note: The replacement A/C and heater pipes are shipped in two sections and spliced together upon installation. Refer to Auxiliary Heater and Air
Conditioning Pipe Repair (See: Hose/Line HVAC/Service and Repair/Procedures).
1. Install the auxiliary heater pipes to the vehicle.