A/C - Refrigerant Production Change R12 to R134a

Group Ref.: HVAC
Bulletin No.: 331228
Date: December, 1993

INFORMATION

SUBJECT:
REFRIGERANT CHANGE IN PRODUCTION VEHICLES EQUIPPED WITH AIR CONDITIONING (RPO C60)

MODELS:
1994 CHEVROLET CAVALIER
1994 PONTIAC SUNBIRD

Vehicles produced on and after January 3, 1994 equipped with air conditioning (RPO C60) will be charged with R134a. This includes vehicles produced at both the Lordstown and Ramos assembly plants. To identify this change, the vehicles charged with R134a will have the RPO code KR1 in addition to RPO code C60. Also, an underhood sticker will indicate the use of R134a and proper charge amount.

With the exception of the special tools needed to service R134a, service diagnostics and procedures are generally the same as vehicles previously produced with R12. This information can be located in Section 1B of the appropriate service manual.