Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the logical successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la
Refrigerant Oil
REFRIGERANT OIL TYPE ^
R-12
refrigerant oil, 525 viscosity
(See Note).
NOTE: If vehicle has been converted to R-134a use PAG (Polyalkaline Glycol) synthetic
refrigerant oil (GM Part No. 12345923) or equivalent.