Chevrolet Kodiak 2001–2004 — technical service bulletin
Bulletin 030604054 · NHTSA communication 10004316 · issued Oct 1, 2003
Technical service bulletin
communication type
Engine and Engine Cooling
component
2001–2004
model years
10
vehicle entries
Official summary
Revised fuel injector balance test with tech 2 (automatic transmission). Various models including 2003-2004 chevrolet kodiak and gmc topkick. *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.