Yukon XL 2500 4WD V8-6.0L VIN N (2006)
Hose/Line HVAC: Service and Repair
Evaporator Tube Replacement - Auxiliary
EVAPORATOR TUBE REPLACEMENT - AUXILIARY
TOOLS REQUIRED
J 39400-A Halogen Leak Detector
REMOVAL PROCEDURE
1. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging.
2. Remove the auxiliary A/C evaporator tubes (3) from the condenser tube (2) and the accumulator (5).
3. Loosen the right front wheelhouse to gain access to the clamp behind the wheelhouse.
4. Raise the vehicle. Refer to Vehicle Lifting.
5. Remove the retaining nut (2) and the auxiliary A/C evaporator tubes (3) from the auxiliary HVAC module.
6. Remove the heater/A/C tubes retaining nut (4) from the stud (1) at the frame (6).
7. Remove the auxiliary A/C evaporator tubes (3) from the clamps (5).
8. Remove the auxiliary A/C evaporator tubes from the vehicle.
INSTALLATION PROCEDURE
1. Install the auxiliary A/C evaporator tubes to the vehicle.