Isuzu Ascender 2003–2006 — technical service bulletin
Bulletin 0405002 · NHTSA communication 10006653 · issued Aug 1, 2006
Technical service bulletin
communication type
Power Train
component
2003–2006
model years
6
vehicle entries
Official summary
Information on 2-3 up-shift or 3-2 downshift clunk sound. *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.