Service bulletins for the 1994 GMC W4
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.
2 on file from NHTSA, as of 2026-10-19.
By type
By component
| 130089009 | 2023-12-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules |
|---|---|
| 763101 | 1997-07-24. Service bulletin. STEERING:GEAR BOX (OTHER THAN RACK AND PINION). PREMATURE OUTSIDE EDGE WEAR ON RADIAL FRONT TIRES (RESET TOE IN). *TW |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.