GM Buick/Oldsmobile/Pontiac/Full-Size 1975-1990 Repair Guide

EEVIR and VIR Assembly

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REMOVAL & INSTALLATION



See Figure 1

  1. Discharge the system as described in Routine Maintenance .
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Remove the suction line, liquid line and the liquid bleed line connections from the assembly.
  6.  
  7. Loosen the evaporator inlet and outlet connection nuts at the assembly.
  8.  
  9. Remove the mounting clamp from the receiver shell and carefully slide the assembly off the outlet tube first, then the inlet.
  10.  

To install:
  1. Installation is the reverse of removal, use new O-rings and lubricate with refrigerant oil.
  2.  
  3. Evacuate and recharge the system using the procedures in Routine Maintenance .
  4.  



Click image to see an enlarged view

Fig. Fig. 1: Cross-section of a EEVIR assembly; VIR assembly similar

 
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