Impreza WRX STI F4-2.5L DOHC Turbo (2007)
Evaporator Case: Service and Repair
Heater and Cooling Unit
REMOVAL
1. Disconnect the ground cable from battery.
2. Using the refrigerant recovery system, discharge refrigerant.
3. Drain LLC from the radiator.
4. Remove the bolt securing expansion valve and pipe in engine compartment. Release the heater hose clamps in engine compartment to remove the
hoses.
5. Remove the instrument panel.
6. Remove the support beam.
7. Remove the blower motor unit assembly.
8. Disconnect the servo motor connectors.
9. Loosen the bolt and nuts to remove the heater and cooling unit.
INSTALLATION
1. Install in the reverse order of removal.
2. Charge refrigerant.
Tightening torque:
T: 7.4 N.m (0.75 kgf-m, 5.4 ft-lb)
