GM Firebird 1982-1992 Repair Guide

Compressor

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REMOVAL & INSTALLATION



See Figures 1 through 8

  1. Properly discharge and recover the refrigerant using an approved recovery station. Refer to General Information & Maintenance for details regarding system service.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Remove fitting block (coupled hose assembly) bolt at rear of compressor.
  6.  
  7. Remove mounting bracket bolt(s).
  8.  
  9. Remove drive belt (route the lower loop behind the crankshaft pulley to gain additional slack if required).
  10.  
  11. Remove compressor.
  12.  

To install:
  1. Drain and measure the oil from the compressor. Replace with the same amount of new oil plus 1 fluid oz. (30ml). Use mineral base 525 viscosity refrigerant oil.
  2.  
  3. Use new O-rings lubricated with refrigerant oil.
  4.  
  5. Install the compressor.
  6.  
  7. Install the drive belt.
  8.  
  9. Install the mounting bracket and bolts.
  10.  
  11. Install the fitting block bolt at the rear of the compressor.
  12.  
  13. Evacuate and recharge system.
  14.  



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Fig. Fig. 1: Compressor mounting on 2.5L engines



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Fig. Fig. 2: Compressor mounting on 2.8L carbureted engines



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Fig. Fig. 3: Compressor mounting used on 1985-1987 2.8L engines



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Fig. Fig. 4: Compressor mounting used on 1988-1992 2.8L and 3.1L engines



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Fig. Fig. 5: Compressor mounting used on some V8 carbureted engines



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Fig. Fig. 6: Compressor mounting used on most carbureted and fuel injected V8 engines up to 1987



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Fig. Fig. 7: Compressor mounting used on 1988-1992 V8 engines



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Fig. Fig. 8: On some engines it may be necessary to tilt the compressor in order to disengage the refrigerant lines and wiring

 
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