1990 Isuzu Trooper Recalls
NHTSA lists 2 recall campaigns for the 1990 Isuzu Trooper. A recall applies only to vehicles built within the affected range, so check your own VIN at nhtsa.gov/recalls. Repairs for recalls are free at a franchised dealer.
- Engine and engine cooling › Cooling system › Hoses/lines/piping/fittingsCovers: Isuzu Trooper 1990–1991
Reported issue: Improperly installed hose on the oil cooler could come in contact with the exhaust manifold and could melt.
Possible consequence: Engine oil could leak out with potential for engineseizure and damage and could result in a fire.
Remedy: Properly install cooler hose clip to prevent contact with exhaust manifold.
- Power train › Automatic transmissionCovers: Isuzu Trooper 1990–1991
Reported issue: Putting in more transmission oil than specified can cause oil to bleed through air groove on to the exhaust manifold if oil temperature rises.
Possible consequence: This could cause smoke emission from the manifold, whichcould ignite rubber hoses and result in a fire.
Remedy: Replace oil level gauge and notify owners to use only the specified amount of automatic transmission fluid.
NHTSA investigations
- DP92015Engine compartment firesClosed · Jul 30, 1992
- DP92005Defective heater coresClosed · Mar 3, 1992
- EA91033Rear door hinge separationClosed · Jul 15, 1991
- PE91046Rear door hinge separationClosed · Feb 19, 1991
- PE90087Diesel engine surgeClosed · Jun 6, 1990
← All problems reported for the 1990 Isuzu Trooper
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.