Service bulletin 422
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 | 10020436 |
| Published by NHTSA | 2006-10-04 |
| Manufacturer's number | 422 |
| Manufacturer's date | 2006-05-01 |
| Replaces | 422 |
| NHTSA component | SERVICE BRAKES, AIR:SLACK ADJUSTERS:AUTOMATIC |
NHTSA's summary
AUTOMATIC SLACK ADJUSTER ADJUSTMENT CAUTION. MODELS CONSTELLATION AND HERITAGE. WESTERN STAR. *KB
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
Brakes
| WESTERN STAR 5700 | 2014 |
|---|---|
| WESTERN STAR CONSTELLATION | |
| WESTERN STAR HERITAGE |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2017583 | 2017-11-28. Brakes |
|---|
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| TS1033768 | 2020-07-31. Service bulletin. Training Solution for Western Star Front Brake Squeal - Burnishing Procedure. The brake burnishing procedure can be used to help reduce brake related noise or imbalance concerns which may occur in the field. |
|---|---|
| SBW42-013 | 2020-07-31. Service bulletin. Western Star Service Bulletin for Meritor Steer Axle Drum Brake Squeal. Some Western Star 5700 vehicles equipped with Meritor steer axle drum brakes with a front axle rating less than 13,300 lb (6038 kg) have experienced brake squealing noise when the service brakes are applied at lower speeds. NOTE: This is a nuisance noise issue and not a failure. The solution given in this service bulletin may fix this issue. |
| sbw54067 | 2019-08-07. Service bulletin. Service Bulletin sent out to customers regarding ABS solenoids not doing self check. Correction of this failure involves installing a relay jumper assembly. |
| sbw54066 | 2019-02-19. Service bulletin. ICU4Me Low Air Pressure Warning Change |
| DOC-1033768 | 2018-12-10. Service bulletin. TS 1033768: Western Star Front Brake Squeal - Burnishing Procedure |
| FL756 | 2018-10-29. Service bulletin. Brake Light Pressure switch may not activate the brake lights with a light application of the brake pedal. |
| ssbw42010 | 2018-06-18. Service bulletin. ssbw42010 Inspección de fugas de aire del transportista concesionario |
| DOC-1033322 | 2018-06-11. Service bulletin. SS 1033322 ABS light illuminating in ICU, ABS solenoids will not self-check |