# Service bulletin PIP5168C

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: 10111805
- Published by NHTSA: 2017\-08\-15
- Manufacturer's number: PIP5168C
- Manufacturer's date: 2014\-04\-16
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\); ENGINE

## NHTSA's summary

This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a no crank concern. Technician will need to check the valve train for movement when the engine is cranked. If the valve train is not moving while the crankshaft is moving the front cover will need to be removed to inspect for a sheared cam sprocket locator pin. If the cam sprocket locator pin has sheared, replace the engine assembly. If the valve train is rotating during inspection, disconnect the Camshaft Position sensor and check if the engine will start. If the engine starts front cover will need to be removed to inspect for a sheared cam sprocket locator pin. If the cam sprocket locator pin has sheared, replace the engine assembly. If the engine does not start with the Camshaft Position sensor disconnected the follow published ?Engine Cranks But Does Not Run? diagnosis in Service Information. Also perform an Engine Compression Test and Cylinder Leakage Test in Service Information documents all results. If the Service Information procedures above isolate an engine mechanical concern then removed to inspect for a sheared cam sprocket locator pin. If the cam sprocket locator pin has sheared, replace the engine assembly.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10111805-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10111805-0001.pdf)

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

## Components

Engine, Exhaust and emissions, EGR valve

## Vehicles listed

- 2010 to 2014 CHEVROLET CAMARO
- 2014 CHEVROLET CHEVEROLET SS
- 2009 to 2014 CHEVROLET CORVETTE
- 2009 to 2014 CHEVROLET EXPRESS
- 2009 to 2011 CHEVROLET SILVERADO 1500
- 2014 CHEVROLET SILVERADO 1500
- 2009 to 2014 CHEVROLET SILVERADO 2500
- 2013 CHEVROLET SILVERADO 3500
- 2009 to 2014 CHEVROLET SUBURBAN
- 2009 to 2010 CHEVROLET TAHOE
- 2012 to 2014 CHEVROLET TAHOE
- 2009 to 2014 GMC SAVANA
- 2014 GMC SIERRA 1500
- 2009 to 2014 GMC SIERRA 2500
- 2009 to 2013 GMC SIERRA DENALI
- 2009 to 2014 GMC YUKON
- 2009 to 2013 GMC YUKON DENALI
- 2009 to 2013 GMC YUKON DENALI XL
- 2009 to 2011 GMC YUKON XL
- 2012 to 2014 GMC YUKON XL

## Other bulletins for the same vehicles and component

- [08\-06\-04\-003D](/bulletins/10190379.md), 2021-04-20, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\); EQUIPMENT. New Tool Availability — EN\-48974 – EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax® Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber
- [18287](/bulletins/10150564.md), 2018-12-10, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:DIESEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\). 18287 \- Special Coverage. On certain vehicles equipped with a 6.6L Duramax diesel engine \(RPO LGH\), the malfunction\-indicator light \(MIL\) may illuminate due to soot build\-up in the Exhaust Gas Recirculation \(EGR\) cooler. This special coverage covers the condition described above for a period of 10 years or 120,000 miles \(193,000 km\), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. Dealers are to replace the EGR cooler.
- [08\-06\-04\-003C](/bulletins/10138703.md), 2018-05-29, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\). This informational bulletin advises of a new testing tool for EGR cooling pressure tester.
- [17\-NA\-161](/bulletins/10137657.md), 2018-05-21, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\). This technical bulletin provides a procedure for exhaust gas recirculation valve pipe replacement \(EGR Bypass Pipe\) due to the EGR cooler bypass pipe being crack.
- [10\-06\-01\-008L](/bulletins/10114254.md), 2017-08-15, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\). This technical bulletin provides a procedure to correct the customers concern to replace the left side valve cover and active fuel management oil deflector to reduce oil consumption.
- [14353](/bulletins/10090458.md), 2017-02-03, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\). 14353 \- SPECIAL COVERAGE. ON SOME VEHICLES, THE SERVICE ENGINE SOON LIGHT MAY ILLUMINATE DUE TO AN INOPERATIVE EXHAUST GAS RECIRCULATION \(EGR\) COOLER BYPASS VALVE. DEALERS ARE TO REPLACE THE EGR COOLER BYPASS VALVE.
- [16\-NA\-212](/bulletins/10089001.md), 2017-01-18, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\); EQUIPMENT. THIS INFORMATION BULLETIN PROVIDE INFORMATION ON A NEW WAY TO LOOK AT NOX SENSOR READINGS AND EXHAUST TEMPERATURE DURING A DPF REGENERATION OR A REDUCTANT FLUID QUALITY TEST.
- [SB\-080604003\-C](/bulletins/10056354.md), 2014-11-08, Service bulletin: ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\). GMC/CHEVROLET: ENGINES, WITH EGR SYSTEM, HAS LEAKAGE FROM EGR COOLER ENGINE COOLANT INTO THE COMBUSTION CHAMBER. MODEL 2002\-15 SILVERADO, SIERRA, 2004\-09 KODIAK C4500\-C5500, TOPKICK C4500\-C5500, 2006\-15 EXPRESS, SAVANA. \*PE

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