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A/C Discharge Line: Installation

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Replacement of the refrigerant line O-ring seals is required anytime a refrigerant line is opened. Failure to replace the rubber O-ring seals could result in a refrigerant system leak.
  1. Position the A/C discharge line into the engine compartment.
  2. If equipped with the 2.8L diesel engine, install the discharge line to the retaining clip located on the left side of the engine.
  3. Remove the tape or plugs from the condenser port and the discharge line fitting.
  4. Lubricate a new rubber O-ring seal with clean refrigerant oil and install it on the discharge line fitting. Use only the specified O-rings as they are 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.
  5. Connect the discharge line to the A/C condenser.
  6. Install the nut that secures the discharge line to the A/C condenser. Tighten the nut to 12 N.m (105 in. lbs.).
  7. Remove the tape or plugs from the compressor port and the discharge line fitting.
  8. Lubricate a new rubber O-ring seal with clean refrigerant oil and install it on the discharge line fitting. Use only the specified O-rings as they are 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.
  9. Connect the discharge line to the A/C compressor.
  10. Install the bolt or nut (depending on engine application) that secures the discharge line to the A/C compressor. Tighten the bolt or nut to 28 N.m (20 ft. lbs.).
  11. Connect the wire harness connector to the A/C pressure transducer or A/C high pressure switch (depending on engine application).
  12. Reconnect the negative battery cable.
  13. Evacuate the refrigerant system (Refer to HEATING & AIR CONDITIONING/PLUMBING - STANDARD PROCEDURE - REFRIGERANT SYSTEM EVACUATE) .
  14. Charge the refrigerant system (Refer to HEATING & AIR CONDITIONING/PLUMBING - STANDARD PROCEDURE - REFRIGERANT SYSTEM CHARGE) .
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