Service bulletin 831220
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 609596 |
| Published by NHTSA | 2000-04-04 |
| Manufacturer's number | 831220 |
| Manufacturer's date | 1998-08-01 |
| NHTSA component | EQUIPMENT:APPLIANCE:AIR CONDITIONER |
NHTSA's summary
A/C COMPRESSOR CLUTCH IS ENGAGED. THIS CONDITION IS MOST NOTICEABLE WHEN ENGINE IS AROUND THE 1000-2000 RPM RANGE. THE NOISE MAY BE LODEST WHEN THE ENGINE IS UNDER LIGHT ACCELERATION THROUGH THIS RPM RANGE. THE MOAN NOISE MAY BE CREATED BY COMPRESSOR PULSES WHICH SET UP A SYSTEM RESONANCE BETWEEN THE COMPRESSOR AND THE IN-LINE MUFFLER.
The document
No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.
Components
Equipment and accessories, Heating and air conditioning
| CHEVROLET VENTURE | 1997, 1998 |
|---|---|
| OLDSMOBILE SILHOUETTE | 1997, 1998 |
| PONTIAC TRANS SPORT | 1997, 1998 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2000080 | 2000-03-21. Accessories |
|---|
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
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