K 1500 Truck 4WD V8-379 6.2L DSL VIN J FI (1992)
Refrigerant Oil: Fluid Type Specifications
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.