Chevrolet Kodiak 2005 — technical service bulletin
Bulletin 3479A · NHTSA communication 10017122 · issued Oct 25, 2005
Technical service bulletin
communication type
Engine and Engine Cooling
component
2005
model years
6
vehicle entries
Official summary
Lower end engine knock noise. *sc
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.