K 2500 Yukon XL 4WD V8-8.1L VIN G (2001)
6. Remove the nuts (2) from the studs (1) that secure the auxiliary HVAC module to the underside of the vehicle (3).
7. Remove the safety stands.
8. Lower the vehicle.
9. Remove the right rear quarter trim panel.
10. Remove the Real Time Damping (RTD) Module. Refer to Electronic Suspension Control Module Replacement (Tahoe/Yukon) or Electronic
Suspension Control Module Replacement (Suburban/Yukon XL) in Real Time Damping-RTD.
11. Disconnect the electrical connectors.
12. Remove the fastener (5) for the upper auxiliary air duct (6). Carefully slide the duct up, into the headliner, until the bottom edge of the duct is
above the air distributor duct.
