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Service bulletin PIP5081

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 id10112696
Published by NHTSA2017-08-15
Manufacturer's numberPIP5081
Manufacturer's date2012-12-19
NHTSA componentSERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR; SERVICE BRAKES, AIR:DISC:ROTOR

NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that may have whistle, scrape or whine type noise while driving that may be more noticeable during regenerative braking. Technician may find this noise emanating from the left side of the drive unit. The noise may be caused by the drive motor B rotor bearing cage separated. Technician should replace the bearing with the new updated part number. Technician should also inspect the end cover for any abnormal bushing wear, if found the side cover will also require replacement.

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

Brakes, Brake rotor

Vehicles listed
CHEVROLET VOLT2011, 2012, 2013

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