Dodge Omni/Horizon/Rampage 1978-1989 Repair Guide

Compressor

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REMOVAL & INSTALLATION




WARNING
If a refrigerant recovery/recycling machine is not available, this job should be performed at a dealer or a shop that has this equipment.


WARNING
Be sure to consult the laws in your area before servicing the air conditioning system. In some states, it is illegal to perform repairs involving refrigerant unless the work is done by a certified technician.

  1. Properly discharge the air conditioning system into a recovery/recycling machine.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Disconnect the clutch electrical wiring.
  6.  
  7. Once the system has been discharged, unbolt the connections at the compressor and plug all four openings.
  8.  
  9. Loosen the A/C compressor belt idler pulley tensioning bracket mounting and pivot bolts. Remove the tension from the compressor drive belt and then remove the belt.
  10.  
  11. Support the compressor. Remove the two mounting bolts from the lower side of the compressor, then the two mounting nuts from above it. Remove the compressor.
  12.  



Click image to see an enlarged view

Fig. Fig. 1 The A/C compressor and clutch assembly fits on the mounted studs as seen here on the 2.2L engine-1989 shown

To install:

  1. Install the compressor in reverse order, noting these points:
  2.  
    1. Tighten the attaching nuts and bolts to 40 ft. lbs. (54 Nm).
    2.  
    3. Make sure sealing surfaces are clean and free of scratches and replace gaskets. Gaskets are specific to suction and discharge fittings, so fit them according to the number of pilots on the fitting and/or number of holes in the gasket. Make the connections, install the bolts, then tighten them to 170-230 inch lbs. (19-26 Nm).
    4.  
    5. Have the system thoroughly evacuated at a repair shop and then have it recharged.
    6.  


 
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