Chevrolet Kodiak 2004 — technical service bulletin
Bulletin 01989 · NHTSA communication 10007057 · issued Jan 1, 2004
Technical service bulletin
communication type
Fuel System, Diesel
component
2004
model years
4
vehicle entries
Official summary
6.6l lly diesel engine fuelinjector compression leak noise or soot around the injector body.*mr
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.