HVAC Housing - Removal
HOUSING-HVAC
WARNING: Disable the airbag system before attempting any steering wheel, steering column, or instrument panel component diagnosis or service. Disconnect and isolate the battery negative (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 take the proper precautions could result in an accidental airbag deployment and possible personal injury or death.
WARNING: Refer to the applicable warnings and cautions for this system before performing the following operation Warning and Caution. Failure to follow the warnings and cautions could result in possible personal injury or death.
NOTE: The HVAC housing must be removed from the vehicle and disassembled for service of the A/C evaporator.
NOTE: LHD model shown in illustrations. RHD model similar.
1. Disconnect and isolate the negative battery cable.
2. Recover the refrigerant from the refrigerant system Refrigerant System Recovery.
3. Partially drain the engine cooling system . Service and Repair
4. Remove the nut (2) that secures the A/C liquid and suction line assembly (1) to the A/C expansion valve (3).
5. Disconnect the A/C liquid and suction line assembly from the A/C expansion valve and remove and discard the O-ring seals.
6. Install plugs in, or tape over the opened refrigerant line fittings and the expansion valve ports.
7. Disconnect the heater hoses (4) from the heater core tubes. Install plugs in, or tape over the opened heater core tubes to prevent coolant spillage during housing removal.
8. Remove the nut (6) that secures the HVAC housing assembly to the engine compartment side of the dash panel (5).
9. Remove the instrument panel Instrument Panel - Removal.
10. Remove the rear floor duct Floor Ducts - Removal.
11. Remove the two nuts (1) that secure the HVAC housing assembly (2) to the passenger side of the dash panel (3).
NOTE: Use care to ensure that the interior is covered in case of loss of residual fluids from the heater and evaporator cores.
12. Pull the HVAC housing assembly rearward and remove the housing from the passenger compartment.