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Service bulletin SB9403001

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id39024
Published by NHTSA1995-03-01
Manufacturer's numberSB9403001
Manufacturer's date1994-12-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

EXHAUST - BOOMING NOISE WHILE DRIVING. *TW

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Exhaust and emissions

Vehicles listed
ISUZU TROOPER1992, 1993, 1994

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20041442004-04-23. Engine
19941241994-07-29. Engine
94V1320001994-07-19. ENGINE AND ENGINE COOLING:ENGINE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.