Cavalier L4-2.2L VIN F (2004)
Housing Assembly HVAC: Service and Repair
HVAC MODULE ASSEMBLY REPLACEMENT
TOOLS REQUIRED
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J 39400-A Halogen Leak Detector
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J 38185 Hose Clamp Pliers
REMOVAL PROCEDURE
1. Drain the cooling system.
2. Recover the refrigerant.
3. Remove the bolt connecting the evaporator lines to the evaporator.
4. Remove the evaporator lines from the evaporator.
5. Raise and support the vehicle. Refer to Vehicle Lifting.
6. Use the J 38185 in order to reposition the hose clamps.
7. Disconnect the heater hoses from the heater core.
8. Lower the vehicle.
9. Remove the evaporator case drain tube.
10. Remove the I/P carrier.
11. Disconnect the wiring harness from the cross vehicle beam (1).
12. Remove the attaching bolts from the right and left side of the HVAC module.
13. Remove the bolts (2) from the cross vehicle beam.
14. Remove the cross vehicle beam (1) from the front of the vehicle.
IMPORTANT: Place the steering column in the straight tilt position using the tilt lever.
15. Remove the floor air outlet.
16. Disconnect the wiring harness from the HVAC module assembly.
17. Disconnect the electrical connections at the following locations:
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The blower motor
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The blower resistor