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Service bulletin DOC-1033315

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10151495
Published by NHTSA2018-12-10
Manufacturer's numberDOC-1033315
Manufacturer's date2018-05-01
NHTSA componentEQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

SS 1033315 - WST 5700 Exhaust Pipe Installation Bracket Improvements

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

Engine, Equipment and accessories, Exhaust and emissions

Vehicles listed
WESTERN STAR 57002014, 2015, 2016, 2017, 2018, 2019

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20176362017-12-18. Accessories
17V8100002017-12-15. EQUIPMENT
17V4520002017-07-17. EQUIPMENT
15V1820002015-03-27. EQUIPMENT
20151332015-03-25. Accessories

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
CXA 3_25_NOx2025-04-02. Other. CX Advocate for NOx conversion low faults
CXA 2_25_Turbo Oil Drain2025-03-04. Other. CX Advocate for turbo oil drain cracking
CXA 2_25_NOx2025-03-04. Other. CX Advocate for NOx conversion low faults
CXA 1_16_Turbo Oil Drain2025-01-29. Other. CX Advocate for turbo oil drain cracking
CXA 1_16_NOx2025-01-29. Other. CX Advocate for NOx conversion low faults
CXA 1_16_GATS2.42025-01-29. Other. CX Advocate for GATS2.4 being expanding to DD15
CXA 1_16_DD13 Altitude2025-01-29. Other. CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault.
CXA 1_16_CARB Truck Chec2025-01-29. Other. CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test submissions for the Clean Truck Check.
ICI24-0512025-01-03. Other. Important Campaign Information letter for DDC D24R4 - Campaign Reactivated
ICI24-0502025-01-03. Other. Important Campaign Information letter for DDC D24R4 - Campaign Inactivated