Service bulletin 08-04-20-001A
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 | 10026441 |
| Published by NHTSA | 2008-10-30 |
| Manufacturer's number | 08-04-20-001A |
| Manufacturer's date | 2008-04-01 |
| NHTSA component | SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY |
NHTSA's summary
GM: REAR AXLE GEAR WHINE NOISE FROM HD PICKUP TRUCKS EQUIPPED WITH 11.50: RING GEAR AND MW7 AUTOMATIC TRANSMISSION (DIAGNOSE RING AND PINION). *PE
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
Suspension
| CHEVROLET SILVERADO | 2008 |
|---|---|
| CHEVROLET SILVERADO 1500 | 2008 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 2500 | 2008 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET SILVERADO 3500 | 2008 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
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