Operation CHARM
: Car repair manuals for everyone.
Home
>>
Buick
>>
1991
>>
Skylark L4-138 2.3L DOHC VIN D MFI QUAD 4
>>
Repair and Diagnosis
>>
Heating and Air Conditioning
>>
Technical Service Bulletins
>>
All Technical Service Bulletins
>>
A/C - Retrofitting R-12 to R-134a
>>
A. Retrofit Procedure
>>
Accumulator /Dryer
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.