Chevrolet Express 2010–2015 — technical service bulletin
Bulletin PIP4942B · NHTSA communication 10112103 · issued Jul 8, 2014
Technical service bulletin
communication type
Fuel System, Gasoline
component
2010–2015
model years
28
vehicle entries
Official summary
This Preliminary Information communication provides information to the technician about vehicles that may have a fuel leak or fuel odor. Technician may find Diagnostic Trouble Codes. If Diagnostic Trouble Codes are found technician should use published Service Information diagnostics first. If fuel leaks are found at the high pressure pump to fuel rail line fitting connections, technician should inspect the high pressure line fittings for misaligned lines and/or low torque of the line nuts. If leaks are found at the high pressure line fittings, technician will need to replace both lines.
Vehicles covered
- 2010 Chevrolet Express
- 2011 Chevrolet Express
- 2012 Chevrolet Express
- 2013 Chevrolet Express
- 2014 Chevrolet Express
- 2015 Chevrolet Express
- 2011 Chevrolet Silverado
- 2012 Chevrolet Silverado
- 2013 Chevrolet Silverado
- 2015 Chevrolet Silverado
- 2014 Chevrolet Silverado 1500
- 2014 Chevrolet Silverado 2500
- 2010 GMC Savana
- 2011 GMC Savana
- 2012 GMC Savana
- 2013 GMC Savana
- 2014 GMC Savana
- 2015 GMC Savana
- 2011 GMC Sierra
- 2012 GMC Sierra
- 2013 GMC Sierra
- 2015 GMC Sierra
- 2014 GMC Sierra 1500
- 2014 GMC Sierra 2500
- 2011 GMC Sierra Denali
- 2012 GMC Sierra Denali
- 2013 GMC Sierra Denali
- 2015 GMC Sierra Denali
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.