Service bulletins for the 2012 Western Star 6900
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.
300 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Brake caliper are shown. Show all
| WSB-42-05 | 2012-10-24. Service bulletin. SERVICE BRAKES, AIR:DISC:CALIPER; SERVICE BRAKES, AIR:DISC. WESTERN STAR: AN ISSUE WITH THERMAL OVERLOAD ON BENDIX AIR DISC BRAKES WHERE ABS SENSOR WIRES MELTS, BRAKE ACTUATOR FAILS TO PROPERLY OPERATE DUE TO VENT HOLE IN BOTTOM NOT OPENING, CALIPERS COATED WITH RED OR BRIGHT ORANGE DUST AND TAPPED AND/OR GUIDE PIN BOOTS MELTED OR OTHERWISE SHOWS HEAT DAMAGE. MODELS CONSTELLATION, 4700, 4800, 4900, 5900 AND 6900. NO MODEL YEARS LISTED. *PE |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.