Service bulletins for the 2008 Chevrolet Impala
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.
1003 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Torque converter are shown. Show all
| 120310002 | 2017-12-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This informational bulletin provides a description of the proper wheel installation and proper wheel torque techniques used to install wheels onto vehicles |
|---|---|
| PIC5889 | 2017-08-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. This Preliminary Information communication provides information to the technician about vehicles that have a knock, clunk, pop, creak, or snap noise from the front of the vehicle. Technician will need to inspect the front fender upper diagonal brace fasteners for proper torque. |
| 4217 | 2007-10-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. A SLIGHT CHUGGLE, SURGE OR SHUDDER TYPE CONDITION THAT OCCURS AT 38-45 MPH. *NJ |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.