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Home >> GMC >> 1978 >> Magnavan 5.7L Eng VIN L, Automatic Trans >> Repair and Diagnosis >> Maintenance >> Procedures >> Compressor Oil Check >> FRIGIDAIRE Compressor >> General Motors W/4 Cylinder Compressor >> Component Replacement
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Component Replacement

When necessary to replace a component, it is recommended that oil be added to system as follows: If compressor is operable, idle vehicle for 10 minutes with A/C controls set for maximum cooling and high fan speed. Stop engine and discharge system. Add new refrigerant oil to components as indicated:

Condenser 1 oz.
Evaporator 3 oz.
Desiccant Bag 1 oz.
Compressor Amount Drained