Yukon Denali AWD V8-6.2L (2007)
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.
8. Remove the right rear wheelhouse panel.
9. Remove the right front wheelhouse panel.
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
IMPORTANT: 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: Heater Hose/Service and Repair/Procedures
1. Install the auxiliary heater pipes to the vehicle.
