Chevrolet Trailblazer 2002–2003 — technical service bulletin
Bulletin 01078E · NHTSA communication 10007552 · issued Jan 1, 2004
Technical service bulletin
communication type
Structure
component
2002–2003
model years
6
vehicle entries
Official summary
Noise from instrument panel cluster tachometer. *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.