CHEVROLET 2011 CHEVROLET EXPRESS Recall
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
2011 CHEVROLET EXPRESS
Brand
CHEVROLET
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Products Sold
Model Year 2011
General Motors LLC is recalling certain 2011 CHEVROLET EXPRESS vehicles due to fuel system, other:delivery:hoses, lines/piping, and fittings issues. If a pressure relief device activates with an improperly assembled vent pipe, compressed natural gas may be vented into the passenger compartment. If .
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
General Motors is recalling certain model year 2011 Chevrolet Express vehicles converted by Impco Automotive to run compressed natural gas (CNG), manufactured between November 23, 2010 and December 23, 2010 and equipped with a four tank configuration using a pressure relief device (PRD) and pressure relief vent pipe assembly. In the affected vehicles, the pressure relief vent pipe assembly may have been built incorrectly.
Reported concern (NHTSA)
If a pressure relief device activates with an improperly assembled vent pipe, compressed natural gas may be vented into the passenger compartment. If an ignition source is present, an explosion or fire may result.
Recommended Action
Per NHTSA guidance
Impco Automotive, in cooperation with General Motors will inspect and make any necessary repairs on the pressure relief device and vent pipe assembly. The safety recall began on March 28, 2013. Owners may contact General Motors at 1-800-521-7300.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026