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Service bulletin WB15-83A

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 id10096350
Published by NHTSA2017-03-24
Manufacturer's numberWB15-83A
Manufacturer's date2015-09-01
NHTSA componentEQUIPMENT

NHTSA's summary

ON THE VEHICLES AFFECTED BY THIS BULLETIN, THE DRIVE WHEEL PARKING BRAKE CYLINDERS NEED TO BE REPLACED DUE TO A POTENTIAL MANUFACTURING ISSUE THAT MAY INFLUENCE THE COMPONENT DURING ITS LIFETIME.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Equipment and accessories

Vehicles listed
VOLVO BUS 97002015

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