# Service bulletin PIP4581B

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.

- Type: Service bulletin
- NHTSA id: 10139321
- Published by NHTSA: 2018\-06\-04
- Manufacturer's number: PIP4581B
- Manufacturer's date: 2015\-03\-06
- NHTSA component: ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\); EQUIPMENT

## NHTSA's summary

This Preliminary Information communication provides information to the technician about vehicles that may have an engine rattle that star after the engine was repaired ant the repair required the crankshaft balancer removal and replacement. When the rattle noise is duplicated without the Service Engine Soon Malfunction Indicator Lamp and Service Information diagnosis does not isolate the cause the crankshaft balancer bolt should be re\-torqued per the specifications states in Service Information. When the rattle noise is duplicated with the Service Engine Soon Malfunction Indicator Lamp and Diagnostic Trouble Code P0016 or P0017 and Service Information diagnosis does not isolate the cause the crankshaft balancer bolt should be re\-torqued per the specifications states in Service Information. If tightening the bolt repairs the rattle noise but the Diagnostic Trouble Code P0016 or P0017 continue to set technician should follow published Service Information diagnostics for the Diagnostic Trouble Code. If Service Information diagnostics for the Diagnostic Trouble Code do not lead to a repair for the Diagnostic Trouble Code remove the crankshaft timing sprocket and inspect the crankshaft alignment pin and the related groove of the sprocket for obvious wear. If wear is present replace the sprocket and pin and retest.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10139321-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10139321-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Equipment and accessories, Exhaust and emissions, Crankcase ventilation \(PCV\)

## Trouble codes named

P0016, P0017

## Vehicles listed

- 2004 to 2007 BUICK RAINIER
- 2004 to 2012 CHEVROLET COLORADO
- 2002 to 2009 CHEVROLET TRAILBLAZER
- 2004 to 2012 GMC CANYON
- 2002 to 2009 GMC ENVOY
- 2006 to 2010 HUMMER H3
- 2002 to 2004 OLDSMOBILE BRAVADA
- 2005 to 2009 SAAB 9\-7X

## Other bulletins for the same vehicles and component

- [PIP\-4492P](/bulletins/10036464.md), 2011-03-16, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\). BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SAAB: OIL CONSUMPTION AND/OR EXHAUST SMOKE\-POSSIBLE PCV BAFFLE OR LIFTER CONCERN. UPON INSPECTION, OBVIOUS OIL WILL BE FOUND IN THE INTAKE MANIFOLD AND/OR PCV VACUUM TUBE. \*PE UPDATED 3/21/11. \*PE UPDATED 5/9/11. \*PE UPDATED 5/25/11. \*PE UPDATED 06/16/2011. \*KB UPDATED A SECOND TIME ON 06/16/2011. \*KB UPDATED 6/27/11. \*PE

JSON: [/v1/bulletins/10139321](/v1/bulletins/10139321)

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