Chevrolet Express 2010–2012 — technical service bulletin
Bulletin PIP-4942 · NHTSA communication 10041435 · issued Mar 1, 2012
Technical service bulletin
communication type
Fuel System, Gasoline
component
2010–2012
model years
12
vehicle entries
Official summary
Chevrolet/gmc: at high pressure pump to high pressure fuel lines there are signs of fuel leakage and/or fuel odor. *pe updated on 5/2/2012. *kb
Vehicles covered
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.