HVAC Module Assembly: Removal
WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
- Drain the cooling system. Recover the refrigerant. See RECOVERY, EVACUATION & RECHARGING in GENERAL SERVICING PROCEDURES article in GENERAL SERVICING. Remove the evaporator tube from the evaporator. See EVAPORATOR TUBE .
- Remove the condenser tube from the evaporator. Raise and support the vehicle. Remove the HVAC module assembly bolts that are located on the passenger side of the vehicle. Lower the vehicle.
- Disconnect the heater hoses from the heater core. Remove the accumulator bolt from the HVAC module assembly. Remove the Instrument Panel (I/P) carrier. See appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT. Remove the floor air outlet.
- Disconnect the wiring harness from the HVAC module assembly. Disconnect the electrical connections from the following locations:
- The blower motor.
- The blower resistor.
- Remove the interior HVAC module assembly retaining bolts. Remove the PCM and bracket. See Fig 1. Reposition the PCM. Disconnect vacuum harness from the HVAC module assembly. Remove the temperature cable from the HVAC module assembly. Remove the remaining HVAC module assembly retaining bolts from under the hood.
- Remove the cross vehicle support bar. Remove the kick panels. Pull back the carpet. Remove the interior HVAC module assembly bolts.NOTE: Do Not tilt the HVAC module assembly or coolant may leak out. Remove the HVAC module assembly from the vehicle.