A/C - Compressor Vibration, Moan Noise

Number: 89-280A-1B

Section: 1B

Date: FEB. 1993

Corporate Bulletin No.: 961205R

ASE No.: A7

Subject:
R4 AIR CONDITIONING COMPRESSOR MOAN/VIBRATION/NOISE

Model and Year:
1987-89 C/K, L/M, R/V, S/T, G AND P TRUCKS WITH SERPENTINE BELTS

THIS BULLETIN CANCELS AND SUPERSEDES DEALER SERVICE BULLETIN NO. 89-280-1B. THE ORANGE AND BLACK LABEL IS NO LONGER USED. ALL COPIES OF 89-280-1B SHOULD BE DISCARDED.

All R4 compressors currently available are built to the latest design specifications, therefore, at the start of production for 1992 models the special orange and black label referred to in Dealer Service Bulletin 89-280-1B is no longer used for either production or service parts.





When investigating an A/C Moan/Vibration/Noise condition on a 1987-1989 light duty truck, refer to the appropriate bulletin listed.