Chevrolet C4500 2006 — technical service bulletin
Bulletin 3564 · NHTSA communication 10017412 · issued Nov 7, 2005
Technical service bulletin
communication type
Fuel System, Gasoline
component
2006
model years
9
vehicle entries
Official summary
Engineering investigation on the 2006 6.6 diesel injectors. *tt
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.