buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Compressor Shaft Seal > < Conventional Mounted
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Compressor Control Valve Assembly: Service and Repair
Direct Mounted

Remove or Disconnect

1. Recover refrigerant using J 39500-GM.
2. Remove control valve retaining ring using J 5403 internal snap ring pliers.
3. Remove control valve assembly.

Install or Connect

1. When reassembling control valve, coat O-rings with 525 viscosity refrigeration oil and push in place with thumb pressure.
2. Using J 5403 snap ring pliers install valve retaining ring with high point of curved sides against valve housing. Be sure retaining ring is properly

seated in ring groove.

3. Evacuate and recharge the system.
4. Leak test referring to "Compressor Leak Testing".

Compressor Shaft Seal > < Conventional Mounted