Condenser HVAC: Service and Repair

Condenser Core - 6.7L Diesel





Removal and Installation

1. Recover the refrigerant. For additional information, refer to Climate Control System - General Information and Diagnostics Air Conditioning (A/C) System Recovery, Evacuation and Charging.

2. Drain the engine primary cooling system. For additional information, refer to Engine Cooling - Diesel Engine Cooling System Draining, Filling and Bleeding.

3. Remove the radiator grille. For additional information, refer to Exterior Trim and Ornamentation Radiator Grille.

4. Remove the 2 power steering cooler bolts and position the power steering cooler aside.
- Detach the power steering cooler hose pin-type retainer from the condenser core.

- To install, tighten to 35 Nm (26 lb-ft).





5. Remove the horn assembly.
- Disconnect the horn assembly electrical connector.

- Remove the horn assembly bolt and the horn assembly.

- To install, tighten to 35 Nm (26 lb-ft).





6. Remove the LH radiator air deflector upper pin-type retainer and position the air deflector aside.





7. Remove the RH radiator air deflector upper pin-type retainer and position the air deflector aside.





8. Remove the 2 A/C condenser fitting nuts and disconnect the fittings.
- Discard the O-ring seals and gasket seals.

- To install, tighten to 15 Nm (133 lb-in).

9. Loosen the clamp and disconnect the coolant pump-to-radiator hose from the LH side of the radiator.





10. Remove the 2 condenser bolts.
- To install, tighten to 11 Nm (97 lb-in).

11. Remove the condenser core.

12. To install, reverse the removal procedure.
- Install new O-ring seals and gasket seals.

- Add the correct amount of clean PAG oil to the refrigerant system. For additional information, refer to the refrigerant oil adding procedure in Climate Control System - General Information and Diagnostics Refrigerant Oil Adding.

13. NOTICE: Evaluate the cooling system condition before filling the engine cooling system. Failure to follow these instructions can result in damage to the engine.

Evaluate the cooling system condition. For additional information, refer to Cooling System Condition Evaluation in Engine Cooling - Diesel Engine Cooling System Condition Evaluation.

14. Evacuate, leak test and charge the refrigerant system. For additional information, refer to Climate Control System - General Information and Diagnostics Air Conditioning (A/C) System Recovery, Evacuation and Charging.