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Service bulletins for the 2018 Western Star 4700

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.

529 on file from NHTSA, as of 2026-10-19.

By type

By component

Only bulletins with component: Brakes are shown. Show all

Bulletins, newest first
WSTCAE165-20182021-05-18. Service bulletin. SERVICE BRAKES, AIR:SPIDER; SERVICE BRAKES, HYDRAULIC. Certain Stamped Spider Drum Brakes Replaced by Cast Spider Drum Brakes on Steer Axles
sbw540652021-03-15. Service bulletin. SERVICE BRAKES, HYDRAULIC. sbw54065 GHG17 Heavy Duty Engine Platform Vehicle Dash Oil Pressure Guage
TS10337682020-07-31. 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.
FL7942019-03-18. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER. FL794 Brake Caliper Mounting Bolts Dealer Bulletin
FL7942019-03-11. Service bulletin. SERVICE BRAKES, AIR:DISC:CALIPER. Brake Caliper Mounting Bolts
ICI19-003 FL7942019-03-11. Service bulletin. SERVICE BRAKES, AIR:DISC:CALIPER. FL794 - Revised Bulletin Brake Caliper Mounting Bolts
FL794 REV2019-03-11. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER. FL794 Recall Campaign- Brake Caliper Mounting Bolts
DOC-10337682018-12-10. Service bulletin. SERVICE BRAKES. TS 1033768: Western Star Front Brake Squeal - Burnishing Procedure
FL7562018-10-29. 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.
ssbw420102018-06-18. Service bulletin. AIR BAGS; SERVICE BRAKES. ssbw42010 Inspección de fugas de aire del transportista concesionario
sbw42062018-06-18. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM; SERVICE BRAKES, AIR:DRUM. sbw4206 Brake Shimmy?Meritor® SteeLite X30? Brake Drum With Excessive Runout
42-0102018-06-11. Service bulletin. EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; PARKING BRAKE:CONVENTIONAL:AIR; SERVICE BRAKES, AIR. Transport Dealer Air Leak Inspection
0135-172018-04-16. Service bulletin. SERVICE BRAKES; ENGINE. 0135-17 Diagnostic Test - Engine Brake Test Procedure
sbw42062018-03-05. Service bulletin. SERVICE BRAKES. sbw4206 Brake Shimmy - Meritor SteeLite X30 Brake Drum With Excessive Runout
FL7582018-02-12. Service bulletin. SERVICE BRAKES. FL758 Brake Mounting Caliper Bolts
sbw42052018-01-16. Service bulletin. SERVICE BRAKES, AIR:DISC:PADS. sbw4205 Bendix Air Disc Brake Thermal Overload Issues

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.