Chevrolet Express 2010–2011 — technical service bulletin
Bulletin PIP-4811 · NHTSA communication 10036511 · issued Jun 1, 2010
Technical service bulletin
communication type
Fuel System, Other
component
2010–2011
model years
13
vehicle entries
Official summary
Gmc/chevrolet: 6.6l duramx hp fuel injection pump tac parts restriction. This parts restriction will assist gm powertrain engineering with product feedback. *pe
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.