C 1500 Truck 2WD V8-5.3L VIN T (1999)
Evaporator Core: Service and Repair
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 in Engine Cooling.
3. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
4. Disconnect the heater hoses.
5. Remove the accumulator.
6. Remove the instrument panel carrier.
7. Remove the HVAC module drain hose.
8. Disconnect the electrical harnesses and the ground connections as needed.
9. Remove the HVAC module mounting nuts and the screws.
10. Remove the HVAC module assembly. Set the HVAC module assembly on a bench.
11. Remove the HVAC module screws.
12. Separate the HVAC module.
