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Service bulletin DOC-1033403

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 id10151496
Published by NHTSA2018-12-10
Manufacturer's numberDOC-1033403
Manufacturer's date2018-05-01
NHTSA componentVISIBILITY/WIPER; VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR

NHTSA's summary

SS 1033403 - WST Wiper Motor not Parking Issues

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

Glass, wipers and mirrors, Wipers and washers

Vehicles listed
WESTERN STAR 47002012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
WESTERN STAR 49002012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
WESTERN STAR 57002012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
WESTERN STAR 69002012, 2013, 2014, 2015, 2016, 2017, 2018, 2019

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