Service bulletin DOC-1033768
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 | 10151530 |
| Published by NHTSA | 2018-12-10 |
| Manufacturer's number | DOC-1033768 |
| Manufacturer's date | 2018-08-13 |
| NHTSA component | SERVICE BRAKES |
NHTSA's summary
TS 1033768: Western Star Front Brake Squeal - Burnishing Procedure
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Brakes
| WESTERN STAR 4700 | 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
|---|---|
| WESTERN STAR 4800 | 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
| WESTERN STAR 4900 | 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
| WESTERN STAR 5700 | 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2020086 | 2020-03-03. Brakes |
|---|---|
| 20V127000 | 2020-03-03. SERVICE BRAKES, AIR:DISC:CALIPER |
| 2019237 | 2019-05-17. Brakes |
| 2019227 | 2019-05-15. Brakes |
| 19V370000 | 2019-05-14. SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK |
| 19V367000 | 2019-05-14. SERVICE BRAKES, AIR:DISC |
| 2018550 | 2018-10-09. Brakes |
| 18V703000 | 2018-10-05. SERVICE BRAKES, AIR:DISC:CALIPER |
| 2018285 | 2018-05-30. Brakes |
| 2018283 | 2018-05-29. Brakes |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
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| WSTCAE165-2018 | 2021-05-18. Service bulletin. Certain Stamped Spider Drum Brakes Replaced by Cast Spider Drum Brakes on Steer Axles |
| WSTCAE121-2014 | 2021-05-18. Service bulletin. AIR BRAKE RESERVOIRS - NEW TRIPLE CHAMBER AIR TANK |
| sbw54065 | 2021-03-15. Service bulletin. sbw54065 GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Guage |
| SBW42-014 | 2020-12-22. Service bulletin. Western Star Service Bulletin for Access to Front Brake Zerk Fittings. Certain vehicles with Detroit front axles and Meritor EX-L front air disc brakes do not have access to the front brake zerk fittings for lubrication. |
| TechTalk6001 | 2020-09-30. Service bulletin. Tech Talk discussion for 1 DT12 COUNTERSHAFT BRAKE |
| 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. |
| CAL_WS_42001 | 2019-10-30. Service bulletin. Customer Advisory Letter for WABCO HP air dryer turbo cut-off valve replacement. |
| SS1034531 | 2019-10-30. Service bulletin. Service Solution for WABCO HP air dryer turbo cut-off valve replacement. |