Lumina V6-3.1L VIN J (2000)
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Housing Assembly HVAC: Service and Repair
HVAC MODULE ASSEMBLY REPLACEMENT
REMOVAL PROCEDURE
1. Remove the air cleaner and duct assembly.
2. Remove the instrument panel.
3. Drain the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
4. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
5. Disconnect the A/C lines at the evaporator.
6. Remove the heater hoses at the heater core.
7. Remove the lower heater duct.
8. Remove the A/C module bolts inside the passenger compartment.
9. Disconnect the vacuum hoses.
10. Disconnect the electrical connectors.
11. Remove the A/C module nuts (4) in the engine compartment.
12. Remove the HVAC module (1).
INSTALLATION PROCEDURE
1. Install the HVAC module (1).
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the A/C module nuts (4) in the engine compartment.
Tighten
Tighten the A/C module nuts to 10 N.m (89 lb in).
3. Install the A/C module bolts inside the passenger compartment.
Tighten
Tighten the A/C module bolts to 8 N.m (71 lb in).