HVAC Module: Removal
WARNING: This page is about a different car, the 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Recover the refrigerant. See RECOVERY, EVACUATION & RECHARGING in GENERAL SERVICING PROCEDURES article in GENERAL SERVICING.
- Drain engine coolant.
- Remove suction line at Thermal Expansion Valve (TXV) and install protective cap to suction line. See Figure .
- Remove liquid line at TXV and install protective cap to liquid line and TXV. See Figure .
- Disconnect TXV temperature sensor connector. See Figure .
- Reposition the heater inlet hose at the heater core using hose clamp pliers.
- Remove heater hose at heater core outlet. See Figure .
- Reposition the heater outlet hose at the heater core using hose clamp pliers.
- Remove heater hose at heater core inlet. See Figure .
- Plug heater core pipes with clean towels to prevent spillage when removing module.
- Remove the Instrument Panel (I/P) and retainer. See appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT.
- Remove the shift control bracket. See Figure .
- Remove front rear duct by sliding forward on heater duct then up at rear and then rearward. See Figure .
- Remove auxiliary duct assembly. See Figure .
- Disconnect I/P harness at blower motor connector. See Figure .
- Disconnect I/P harness at blower motor resistor connector.
- Disconnect I/P harness at HVAC module connector.
- Remove defroster duct to HVAC module nuts and defroster duct. See Figure .
- Disconnect I/P wire harness clips from HVAC module.
- Remove left HVAC module to cross car beam stamped metal L-type bracket from HVAC module and cross car beam. See Figure .
- Remove remaining HVAC module to cross car beam and front of dash fasteners and remove HVAC module. See Figure .
CAUTION:
Place protective cover over A/C lines and TXV to prevent contamination of A/C system.