A/C Discharge Line - Installation

3.7L/4.7L ENGINES

CAUTION: Be certain to adjust the refrigerant oil level when servicing the A/C refrigerant system Refrigerant Oil Capacity . Failure to properly adjust the refrigerant oil level will prevent the A/C system from operating as designed and can cause serious A/C compressor damage.

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 systemRefrigerant Oil Capacity .

NOTE: Replacement of the refrigerant line O-ring seals and gaskets is required anytime a refrigerant line is disconnected. 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 engine 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 Refrigerant System Evacuate.
14. Adjust the refrigerant oil level Refrigerant Oil Capacity.
15. Charge the refrigerant system Refrigerant System Charge.