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Service bulletin TSB-072321

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 id10199428
Published by NHTSA2021-07-23
Manufacturer's numberTSB-072321
Manufacturer's date2021-07-23
NHTSA componentVISIBILITY

NHTSA's summary

The large hex retainer nut on each wiper pivot may become loose and could cause damage or misalignment of the wiper system. TSB will show how to install threadlocker to prevent this from happening.

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

Vehicles listed
ROSENBAUER COMMANDER2012 to 2021

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