FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

HVAC Housing






HVAC HOUSING ASSEMBLY

WARNING: Refer to the applicable warnings and cautions for this system before performing the following operation Warning and Caution . Failure to follow these instructions may result in possible serious or fatal injury.

WARNING: Disable the airbag system before attempting any steering wheel, steering column or instrument panel component diagnosis or service. Disconnect and isolate the negative battery (ground) cable, then wait two minutes for the airbag system capacitor to discharge before performing further diagnosis or service. This is the only sure way to disable the airbag system. Failure to follow these instructions may result in accidental airbag deployment and possible serious or fatal injury.

NOTE: The HVAC housing must be removed from the vehicle for service of the A/C evaporator, heater core, mode-air and blend-air doors and air inlet housing.





1. Disconnect and isolate the negative battery cable.
2. Recover the refrigerant from the refrigerant system Refrigerant System Recovery.
3. Drain the engine cooling system Service and Repair.
4. Disconnect the A/C liquid line and the A/C suction line from the A/C expansion valveA/C Liquid Line - Removal.
5. Disconnect the heater hoses from the heater core tubes.
6. If required, remove the Powertrain Control Module (PCM) to gain access to the two nuts (2) that secure the HVAC housing to the engine compartment side of the dash panel Powertrain Control Module - Removal.
7. Remove the two nuts from the studs (1) that secure the HVAC housing to the engine compartment side of the dash panel.





8. If equipped with center floor console, remove the floor console duct Floor Console Duct - Removal.
9. Remove the instrument panel from the passenger compartment Instrument Panel - Removal.
10. If equipped, remove the rear floor ducts Floor Distribution Duct - Removal.
11. Remove the bolt (3) that secures the HVAC housing (2) to the floor bracket.
12. Remove the two nuts (1) that secure the HVAC housing to the passenger compartment side of the dash panel.
13. Pull the HVAC housing assembly rearward and remove the housing assembly from the passenger compartment.