Service bulletin 777163
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 | 52560 |
| Published by NHTSA | 1997-08-14 |
| Manufacturer's number | 777163 |
| Manufacturer's date | 1997-06-01 |
| NHTSA component | POWER TRAIN:AUTOMATIC TRANSMISSION |
NHTSA's summary
UNDESIRED TRANSMISSION DOWN SHIFTING BETWEEN THIRD AND SECOND GEAR WHEN MANUALLY SHIFTED TO FIRST GEAR (D1) (NEW CALIBRATION). *TW
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
Transmission and driveline, Automatic transmission
| CHEVROLET G SERIES | 1997 |
|---|---|
| GMC G SERIES | 1997 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.