# Service bulletin PI\-0235\-A

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: 10037311
- Published by NHTSA: 2011\-05\-18
- Manufacturer's number: PI\-0235\-A
- Manufacturer's date: 2015\-08\-01
- Replaces: PI\-0235\-J
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER

## NHTSA's summary

GM: THERE MAY BE A FUEL SMELL WHEN DRIVING THE VEHICLE. THERE MAY ALSO BE AN EXHAUST LEAK OR RATTLE NOISE. \*RM UPDATED 9/10/12. \*PE UPDATED 05/3/2013 \*JS UPDATED 1/6/14. \*PE UPDATED 2/3/16. \*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, Exhaust manifold, pipes and muffler, Turbocharger or supercharger

## Vehicles listed

- 2011 CHEVROLET EXPRESS 2500
- 2010 CHEVROLET EXPRESS 3500
- 2009 CHEVROLET EXPRESS 4500
- 2011 CHEVROLET SILVERADO 2500
- 2011 CHEVROLET SILVERADO 3500
- 2010 GMC SAVANA 2500
- 2010 GMC SAVANA 3500
- 2011 GMC SIERRA 2500
- 2011 GMC SIERRA 3500

## Other bulletins for the same vehicles and component

- [PI0653A](/bulletins/10190955.md), 2021-04-26, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center A Service Agent \(Dealer\) during vehicle service may need to replace an engine turbocharger \(TC\). Any turbocharger that is returned to the Warranty Parts Center \(WPC\) will be inspected by engineering for root cause failure. The Warranty Part Center \(WPC\) has received turbochargers returned by Service Agents that have been disassembled, damaged during removal from the engine, electrical harnesses or connectors that have been cut or removed from the turbocharger and/or improperly packaged turbochargers resulting in shipping damage.
- [16NA380](/bulletins/10183132.md), 2020-11-30, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
- [16NA380](/bulletins/10178252.md), 2020-08-10, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
- [16NA380](/bulletins/10165080.md), 2019-09-23, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
- [16NA380](/bulletins/10161931.md), 2019-07-01, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
- [PI1275](/bulletins/10140360.md), 2018-06-11, Service bulletin: ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This preliminary information bulletin provides a procedure to install an air temperature sensor package kit, to correct the customer concern for reduced engine power and /or MIL illuminated.
- [PI0653E](/bulletins/10139284.md), 2018-06-04, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This preliminary informational bulletin provides information on Damaged, Disassembled or Improperly Packaged Turbochargers Returned to Warranty Part Center.
- [PI0653B](/bulletins/10138688.md), 2018-05-29, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This preliminary informational bulletin was created to inform Service Agents or Dealers, they may be charged back for parts and labor due to the turbo\-chargers are being returned to the Warranty Parts center damaged, improperly assembled or missing parts and advising to properly package the complete turbochargers.
- [PI0235H](/bulletins/10138619.md), 2018-05-29, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This preliminary information bulletin provides a procedure to repair the joint being loose or out of position for the turbocharger to turbocharger exhaust pipe or turbocharger exhaust pipe exhaust downpipe connection, to correct the customers concern of Exhaust Leak or Vibration/Rattle Noise at Approximately 900 RPM, Fuel Smell, White Smoke, Oily Substance on Exhaust Downpipe.
- [16\-NA\-380](/bulletins/10137988.md), 2018-05-21, Service bulletin: EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This Technical bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.

JSON: [/v1/bulletins/10037311](/v1/bulletins/10037311)

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