Condenser HVAC: Service and Repair

Remove or Disconnect

1. Recover refrigerant.
2. Air intake duct.
3. Upper radiator shroud.
4. Raise and suitably support vehicle.
5. Compressor and condenser hose at condenser.
^ Discard O-ring.
6. Lower vehicle.
7. Evaporator tube at condenser.
8. Radiator air upper baffle from condenser, if necessary.
9. Condenser (3) from radiator (47).
^ Disconnect retaining tangs from grooves.

Install or Connect

1. Condenser (3) to radiator (47).
^ Retaining tangs must be fully seated in grooves.

Important
^ If a retaining groove breaks, install the condenser finger to locate and drill a small hole into the existing boss. Use appropriate screw to fasten finger to the tab. Do not puncture radiator coolant tank when doing this procedure.

2. Radiator air upper baffle to condenser, if removed.
3. Evaporator tube to condenser.
4. Raise and suitably support vehicle.
5. Clean hose fitting and condenser fitting with mineral base 525 viscosity refrigerant oil.
^ Do not allow refrigerant oil to enter A/C system.
6. O-ring to hose.
^ Lightly coat O-ring with mineral base 525 viscosity refrigerant oil.
7. Compressor and condenser hose to condenser.
8. Lower vehicle.
9. Upper radiator shroud.
10. Air intake duct. .
11. Charge A/C system.
^ If installing new condenser, add 30 ml (1 fluid ounces) of polyalkylene glycol (PAG) synthetic refrigerant oil, GM P/N 12345923.
12. Leak-test fittings.