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3.7L/4.7L Engines

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Suction/Discharge Lines- R and I
GC0028353Courtesy of DAIMLERCHRYSLER CORP.
  1. Position the A/C suction line (6) into the engine compartment.
  2. Remove the tape or plugs from the suction line fittings and the A/C compressor (2) and A/C expansion valve (8).
  3. Lubricate a new O-ring and a dual plane seal with clean refrigerant oil and install them onto the A/C suction line. Use only the specified seals 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.
  4. Install the A/C suction line onto the A/C compressor.
  5. Install the nut (1) that secures the A/C suction line to the A/C compressor. Tighten the nut to 20 N.m (15 ft. lbs.).
  6. Install the A/C suction line onto the A/C expansion valve.
  7. Install the nut (7) that secures the A/C suction line to the A/C expansion valve. Tighten the nut to 23 N.m (17 ft. lbs.).
  8. Install the air intake tube and the resonator (Refer to ENGINE/AIR INTAKE SYSTEM/AIR CLEANER HOUSING - INSTALLATION) .
  9. Reconnect the negative battery cable.
  10. Evacuate the refrigerant system. (Refer to REFRIGERANT SYSTEM EVACUATE  ).
  11. Charge the refrigerant system. (Refer to REFRIGERANT SYSTEM CHARGE  ).
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