Chevrolet Cobalt 2007–2010 — technical service bulletin
Bulletin PIP-4739-A · NHTSA communication 10078758 · issued Apr 7, 2016
Technical service bulletin
communication type
Fuel System, Gasoline
component
2007–2010
model years
14
vehicle entries
Official summary
This preliminary information communication advises the technician on the steps to diagnose and repair the concern of an oil leak in the high pressure fuel pump area.
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.