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Home >> GMC >> 1989 >> Safari Van M L4-151 2.5L >> Repair and Diagnosis >> Heating and Air Conditioning >> Compressor HVAC >> Testing and Inspection >> With R-4 Compressor >> Cleaning
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Cleaning

Clean
1. Frictional surfaces of the clutch plate and the clutch rotor.
2. Shaft seal area thoroughly.
3. Cavity and O-ring groove for the high side high pressure cut-off switch.
4. Front head and cylinder area. Remove any dirt or lint.
5. Compressor shell.