Service bulletin 990604022
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 | 606551 |
| Published by NHTSA | 1999-08-27 |
| Manufacturer's number | 990604022 |
| Manufacturer's date | 1999-07-01 |
| NHTSA component | ENGINE AND ENGINE COOLING:ENGINE |
NHTSA's summary
CONCERNS WITH THE COOLANT ALARM AND OIL PRESSURE ALARM ACTIVATING WHEN THE VEHICLE IS STOPPED AND THE ENGINE RETURNS TO IDLE. *TT
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
Engine
| CHEVROLET B7 | 1999 |
|---|---|
| CHEVROLET C6500 | 1999 |
| CHEVROLET C7500 | 1999 |
| GMC B7 | 1999 |
| GMC C6500 | 1999 |
| GMC C7500 | 1999 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 130089009 | 2023-12-11. Service bulletin. Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules |
|---|---|
| TSB-013 | 2021-06-07. Service bulletin. Engine Backfire and Related Driveability Issues |
| 020604026A | 2003-02-27. Service bulletin. ENGINE BACKFIRE AND RELATED DRIVEABILITY ISSUES. *TT |
| 020604026 | 2002-10-09. Service bulletin. THIS BULLETIN IS BEING ISSUED TO ASSIST TECHNICIANS IN EFFICIENTLY DIAGNOSING AND CORRECTING BACKFIRE AND OTHER RELATED DRIVEABILITY CONCERNS. *TT |