Durango 4WD V8-4.7L Flex Fuel (2008)
NOTE: When replacing multiple A/C system components, refer to the Refrigerant Oil Capacities chart to determine how much oil should be
added to the refrigerant system See: Heating and Air Conditioning/Service and Repair/Refrigerant Oil Level.
NOTE: Replacement of the refrigerant line O-ring seals and gaskets is required anytime a refrigerant line is opened. Failure to replace the
rubber O-ring seals and metal gaskets could result in a refrigerant system leak.
NOTE: 3.7L engine shown. 4.7L and 5.7L engines similar.
1. Position the A/C discharge line into the engine compartment.
2. Remove the tape or plugs from the opened discharge line fitting and the compressor port.
3. Lubricate a new rubber O-ring seal with clean refrigerant oil and install it and a new gasket onto the discharge line fitting. Use only the specified
O-ring as it is made of a special material for the R-134a system. Use only refrigerant oil of the type recommended for the A/C compressor in the
vehicle.
4. Install the A/C discharge (3) line onto the A/C compressor (4).
5. Install the nut (1) that secures the A/C discharge line to the A/C compressor. Tighten the nut to 23 Nm (17 ft. lbs.).
6. Remove the tape or plugs from the opened discharge line fitting (1) and the condenser port (2).
7. Lubricate a new rubber O-ring seal with clean refrigerant oil and install it and a new gasket onto the discharge line fitting. Use only the specified
O-ring as it is made of a special material for the R-134a system. Use only refrigerant oil of the type recommended for the A/C compressor in the
vehicle.
8. Install the A/C discharge line to the A/C condenser and the retainer (3) located on the condenser fan shroud.
9. Install the nut (7) that secures the A/C discharge line to the A/C condenser. Tighten the nut to 22 Nm (16 ft. lbs.).
10. If removed, install the A/C pressure transducer (5) onto the A/C discharge line.
11. Connect the wire harness connector (6) to the A/C pressure transducer.
12. Connect the negative battery cable.
13. Evacuate the refrigerant system See: Heating and Air Conditioning/Service and Repair/Refrigerant System Evacuate.
14. Adjust the refrigerant oil level See: Heating and Air Conditioning/Service and Repair/Refrigerant Oil Level.
15. Charge the refrigerant systemSee: Heating and Air Conditioning/Service and Repair/Refrigerant System Charge.
Front Plumbing
