A/C - Noise/Vibration
88chevy13GMC NUMBER: 88-T-132
GROUP: 1B - Air Conditioning
DATE: July, 1988
CORPORATE
NUMBER: 831209R
SUBJECT: AIR CONDITIONING NOISE/VIBRATION
MODELS: 1987-88 G VANS WITH AIR CONDITIONING AND 4.3L, 5.0L OR 5.7L ENGINE
Some 1987-88 G Vans equipped with 4.3L, 5.0L and 5.7L engines may exhibit a noise/vibration when the air conditioning compressor is engaged. This noise/vibration is the result of a resonance set up in the serpentine accessory drive system with air conditioning on. If this condition is experienced on 1987 or early built 1988 G Vans, install the following kits. Installation instructions are included with the kits.
Part Number Engine
10129506 4.3L V-6 With A/C
10129505 5.0L/5.7L V-8 With A/C
Parts are currently available from GMSPO.
VIN breakpoints were not available at the time of publication. For repairs to vehicles under warranty use:
Labor Operation Number: Labor Time:
(V-6) T7415 .6 Hours
(V-8) T7420 .5 Hours