Isuzu Trooper 1992–1994 — technical service bulletin
Bulletin SB9403001 · NHTSA communication 39024 · issued Dec 1, 1994
Technical service bulletin
communication type
Engine and Engine Cooling
component
1992–1994
model years
3
vehicle entries
Official summary
Exhaust - booming noise while driving. *tw
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.