This Preliminary Information communication provides information to the technician about vehicles that may...
Chevrolet technical service bulletin PIP4942B for 2014 Chevrolet Silverado 1500, 2014 GMC Sierra 1500 and 2011-2013, 2015 Chevrolet Silverado and others.
- Bulletin number
- PIP4942B
- Component
- Fuel system, gasoline: fuel injection system: fuel rail
- 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
- Chevrolet Silverado 1500 2014 2014
- GMC Sierra 1500 2014 2014
- Chevrolet Silverado 2011-2013, 2015 2011201220132015
- Chevrolet Silverado 2500 2014 2014
- GMC Sierra 2011-2013, 2015 2011201220132015
- GMC Sierra 2500 2014 2014
- Chevrolet Express 2010-2015 201020112012201320142015
- GMC Savana 2010-2015 201020112012201320142015
- GMC Sierra Denali 2011-2013, 2015 2011201220132015
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