# Service bulletin WSTCAE121\-2014

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: 10193657
- Published by NHTSA: 2021\-05\-18
- Manufacturer's number: WSTCAE121\-2014
- Manufacturer's date: 2014\-01\-25
- NHTSA component: SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, AIR

## NHTSA's summary

AIR BRAKE RESERVOIRS \- NEW TRIPLE CHAMBER AIR TANK

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10193657-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10193657-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Brakes

## Vehicles listed

- 2015 WESTERN STAR 4800
- 2015 WESTERN STAR 4900

## Recalls for the same vehicles and component

- [2019237](/recalls/tc/2019237.md), 2019-05-17: Brakes
- [19V370000](/recalls/nhtsa/19V370000.md), 2019-05-14: SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK
- [2018283](/recalls/tc/2018283.md), 2018-05-29: Brakes
- [18V351000](/recalls/nhtsa/18V351000.md), 2018-05-29: SERVICE BRAKES, AIR
- [2017583](/recalls/tc/2017583.md), 2017-11-28: Brakes
- [2017130](/recalls/tc/2017130.md), 2017-03-10: Brakes
- [17V124000](/recalls/nhtsa/17V124000.md), 2017-02-27: SERVICE BRAKES, AIR
- [15V185000](/recalls/nhtsa/15V185000.md), 2015-03-30: SERVICE BRAKES, AIR
- [2014548](/recalls/tc/2014548.md), 2014-12-03: Brakes
- [14V758000](/recalls/nhtsa/14V758000.md), 2014-11-28: SERVICE BRAKES, AIR:DISC:CHAMBER

## Other bulletins for the same vehicles and component

- [TS1033768](/bulletins/10177689.md), 2020-07-31, Service bulletin: SERVICE BRAKES, HYDRAULIC. 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.
- [FL773 Lowmax Bra](/bulletins/10158114.md), 2019-04-08, Service bulletin: SERVICE BRAKES. Recall Bulletin FL773 Lowmax Brake Hoses
- [FL773 Lowmax Bra](/bulletins/10156457.md), 2019-04-01, Service bulletin: SERVICE BRAKES, AIR:DISC. Recall Bulletin FL773 Lowmax Brake Hoses
- [DOC\-1033768](/bulletins/10151530.md), 2018-12-10, Service bulletin: SERVICE BRAKES. TS 1033768: Western Star Front Brake Squeal \- Burnishing Procedure
- [DOC\-1033417](/bulletins/10151497.md), 2018-12-10, Service bulletin: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS. SS 1033417: WST 4900 Low Max w/Disc Brakes Front Brake Hose rubbing Hood fender
- [DOC\-1033417](/bulletins/10146336.md), 2018-10-29, Service bulletin: SERVICE BRAKES, HYDRAULIC. SS 1033417: WST 4900 Low Max w/Disc Brakes Front Brake Hose rubbing Hood fender
- [FL756](/bulletins/10146288.md), 2018-10-29, Service bulletin: SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, AIR; ELECTRICAL SYSTEM. Brake Light Pressure switch may not activate the brake lights with a light application of the brake pedal.
- [ICI15\-003](/bulletins/10142307.md), 2018-06-25, Service bulletin: SERVICE BRAKES. ICI15\-003\-DLR FL676 \- Interim Recall Notice
- [326\-15](/bulletins/10141952.md), 2018-06-18, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:WHEEL SPEED SENSOR/TONE RING; EQUIPMENT:ELECTRICAL. 326\-15 Main Shaft Speed Sensor
- [ssbw42010](/bulletins/10141826.md), 2018-06-18, Service bulletin: AIR BAGS; SERVICE BRAKES. ssbw42010 Inspección de fugas de aire del transportista concesionario

JSON: [/v1/bulletins/10193657](/v1/bulletins/10193657)

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