Operation CHARM
: Car repair manuals for everyone.
Home
>>
GMC Truck
>>
1991
>>
C 2500 Truck 2WD V6-262 4.3L
>>
Repair and Diagnosis
>>
Specifications
>>
Fluid Type Specifications
>>
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.