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Service bulletin PI0977

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 id10139058
Published by NHTSA2018-06-04
Manufacturer's numberPI0977
Manufacturer's date2013-05-20
NHTSA componentFUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING

NHTSA's summary

This preliminary informational bulletin provides information on Active Fuel Management (AFM) Transition Noise/Vibration Through Exhaust Concern.

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

Engine, Fuel system

Vehicles listed
CHEVROLET CAPRICE2011 to 2013

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