K 1500 Truck 4WD V8-6.5L DSL Turbo VIN S (1999)
Evaporator Core: Service and Repair
Evaporator Core Replacement - Auxiliary (Suburban/Yukon XL)
REMOVAL PROCEDURE
CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
1. Disconnect the negative battery cable.
2. Recover the refrigerant. See: Refrigerant/Service and Repair
3. Remove the rear quarter interior trim, as necessary.
4. Remove the right rear quarter trim panel.
5. Remove the right rear wheelhouse.
6. Disconnect the rear heater hoses from the auxiliary heater core (7), if equipped.
7. Disconnect the auxiliary refrigerant hoses from the auxiliary evaporator (6).
8. Disconnect the electrical connectors, as necessary.
9. Complete the following steps in order to remove the heater/evaporator case cover:
9.1. Remove the case clips.
9.2. Remove the 11 screws.
9.3. Separate the case halves.
10. Remove the pipe insulator.
11. Remove the evaporator core.
INSTALLATION PROCEDURE