A/C - Compressor O-Ring Design Change
9222buick03
Bulletin
89-1-14
Date
Aug., '89
Ref. No.
89-213-1
Corp. Ref. No.
971401
SUBJECT:
DESIGN CHANGE - SUCTION/DISCHARGE PORTS - NEW OVAL "O" RING ON REAR HEAD OF COMPRESSOR
MODELS AFFECTED:
ALL 1989 MODELS
Field reports indicate that dealers are changing the new oval "O" rings on the suction/discharge ports on 1989 vehicles with R4, V-5 and HR-6 compressors.
Harrison Radiator changed to the new "Oval" design "O" ring for the suction/discharge ports at the start of production 1989.
Do not use 1988 "O" rings on 1989 vehicles. If a new oval "O" ring is needed, the part number is 6558587. Parts are currently available through GMSPO. The Delco part number for the new oval "O" ring is 15-3886.