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Chevy Truck
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1991
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Suburban 1/2 Ton 2WD V8-350 5.7L
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Repair and Diagnosis
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Specifications
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Fluid Type Specifications
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Refrigerant Oil
Refrigerant Oil
REFRIGERANT OIL
TYPE
-
R-12
refrigerant oil
, 525 viscosity.
NOTE:
If vehicle has been converted to R-134a use PAG (Polyalkaline Glycol) synthetic
refrigerant oil
(GM Part No. 12345923) or equivalent.