# Service bulletin PIP\-4750\-D

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: 10043579
- Published by NHTSA: 2012\-04\-11
- Manufacturer's number: PIP\-4750\-D
- Manufacturer's date: 2012\-01\-01
- NHTSA component: ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\); ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

## NHTSA's summary

CHEVROLET/PONTIAC: WHILE ENGINE IS RUNNING, THE BELT SQUEAKS AND CRANKSHAFT BALANCER APPEARS WOBBLY OR OUT OF BALANCE. \*PE

## 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

Engine, Exhaust and emissions, Crankcase ventilation \(PCV\), Drive belts

## Vehicles listed

- 2010 to 2012 CHEVROLET CAMARO
- 2011 to 2012 CHEVROLET CAPRICE
- 2009 to 2012 CHEVROLET CORVETTE
- 2008 to 2009 PONTIAC G8

## Other bulletins for the same vehicles and component

- [PIP3423P](/bulletins/10144453.md), 2018-09-17, Service bulletin: ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE \(PCV\). This Preliminary Information communication provides information to the technician that Diagnostic Trouble Codes P0016, P0017, P0018, P0019, P0008 or P0009 may be set. Technician will need to inspect for loose timing chains or tensioners. If after following Service Information diagnostics the root cause is not found inspect the reluctor for the crankshaft sensor. If the reluctor has moved then replace crankshaft.
- [12\-06\-01\-009B](/bulletins/10134647.md), 2018-04-23, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. This informational bulletin provides information for installing a camshaft timing chain kit on the high feature V6.
- [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/10043579](/v1/bulletins/10043579)

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