K 2500 Suburban 4WD V8-5.7L VIN R (1999)
Evaporator Core: Service and Repair
Evaporator Core Replacement
REMOVAL PROCEDURE
CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
1. Disconnect the negative battery cable.
2. Drain the engine coolant. Refer to Draining and Filling Cooling System
3. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging
4. Remove the instrument panel.
5. Disconnect the electrical connectors, as necessary.
6. Remove the floor air outlet.
7. On diesel engines only, remove the powertrain control module.
8. Remove the hinge pillar trim panels.
9. Remove the blower motor cover.
10. Remove the blower motor (5).
11. Remove the steering column.
12. Tilt back the instrument panel assembly. Refer to Mode Actuator Replacement.
13. Remove the coolant recovery reservoir.
14. Disconnect the heater hoses.
15. Disconnect the evaporator tube.
16. Remove the accumulator.
17. Remove the screws (1,4).
18. Remove the nut (2).