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Service bulletin PIC5781A

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 id10112373
Published by NHTSA2017-08-15
Manufacturer's numberPIC5781A
Manufacturer's date2013-11-25
NHTSA componentSERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:DRUM; SERVICE BRAKES, AIR:DRUM:DRUM; SERVICE BRAKES, AIR:DRUM:SHOES/LININGS; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:SHOES/LININGS

NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that have a rotational noise coming from the rear of the vehicle during brake apply. Technician will need to replace both brake drums and brake shoes.

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 drums and shoes

Vehicles listed
CHEVROLET SONIC2012, 2013

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

Other bulletins for the same vehicles and component
PIC-5781-A2014-01-03. Service bulletin. CHEVROLET: ROTATIONAL NOISE COMING FROM REAR OF VEHICLE WHEN BRAKING, IN REAR DRUM BRAKE AREA AND NEED TO REPLACE BOTH REAR BRAKE DRUM AND SHOES ON BOTH SIDES. MODEL 2012-2013 SONIC. *PE