Chrysler Full-Size Trucks 1967-1988 Repair Guide

Compressor

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REMOVAL & INSTALLATION



See Figure 1

  1. Using an approved R-12 recovery/recycling station, follow the manufacturer's instructions to discharge the system.
  2.  
  3. Disconnect the suction and discharge lines from the ports. Cap the lines and ports immediately to prevent moisture and dirt from entering the system.
  4.  
  5. Disconnect the clutch wire.
  6.  



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Fig. Fig. 1: Common A/C compressor (with refrigerant lines connected)

  1. Remove the compressor-to-bracket attaching bolts and remove the compressor. It may be necessary to loosen the bracket-to-engine attaching bolts.
  2.  
  3. Drain the oil from the compressor and discard of the fluid at an appropriate station.
  4.  

To install:
  1. Adjust the level of the oil in the compressor to 5 oz. (148ml) if necessary.
  2.  
  3. Install the compressor on the truck and tighten the bolts to 30-50 ft. lbs. (53-68 Nm).
  4.  
  5. Tighten the drive belts.
  6.  
  7. Reconnect the clutch wire.
  8.  
  9. Remove the caps from the suction and discharge lines and ports. Using new gaskets, install the lines to the compressor and tighten to 14-19 ft. lbs. (19-26 Nm).
  10.  
  11. Using an approved R-12 recovery/recycling station, follow the manufacturer's instructions to evacuate and charge the system.
  12.  

 
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