A/C Retrofitting for Riviera V6-231 38L VIN C SFI (1989) - R-12 to R-134a Retrofit Procedure
Refrigerant: Technical Service Bulletins
Accumulator /Dryer
If the vehicle is more than 5 years old, the Accumulator/Dryer (A/D) should be replaced to ensure that moisture is removed from the system. See the
instructions for proper A/D identification in General Information.