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1991 Isuzu Trooper

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 1991 Isuzu Trooper do not stand out strongly from the model-year median of 25.

About this comparison →

How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 1 of 57 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine And Engine Cooling. Review the 13 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Wheels. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

5 crash reports15 fire reports3 injury reports

Wheels complaints

8 reports
Clear category filter
Mileage unknown · Jul 22, 1998
Wheels

WHEEL LUGS AND NUTS MADE FROM WEAK METAL RESULTING IN FAILURE.

NHTSA ODI #538165

Mileage unknown · Mar 3, 1997
Wheels

VEHICLE HAS SOFT METAL FOR LUGS, EACH TIME WHEEL IS REMOVED SOFT LUGS STRIP OR CROSS THREAD, UNABLE TO INSTALL NUTS. *AK

NHTSA ODI #514788

Mileage unknown · Feb 10, 1997
Wheels

EACH TIME WHEEL IS REMOVED THE SOFT LUGS STRIP LEAVING THEM UNABLE TO BE INSTALL.

NHTSA ODI #546676

Mileage unknown · Sep 4, 1996
Wheels

AT LEAST ONE LUG:STUD BOLT STRIPPED WHEN REMOVING AND PUTTING BACK ON. *AK

NHTSA ODI #508231

Mileage unknown · Jan 9, 1996
Wheels

LUG NUT METAL GALLED/PIECES BROKEN OFF, CAUSING DIFFICULTY REMOVING/RETIGHTENING LUGS. *DH

NHTSA ODI #500508

Mileage unknown · Jan 3, 1996
Wheels

WHEEL LUG NUTS WILL SHEAR ONCE ATTEMPT IS MADE TO PUT TIRES BACK ON. TT

NHTSA ODI #977323

Mileage unknown · Oct 13, 1995
Wheels

LUG NUTS CONTINUE TO BREAK REGULARLY. TT DURING TIRE ROTATION AND BRAKE SERVICING 24 LUG NUTS AND WHEELS STUDS HAVE BEEN FOUND TO BE STRIPPED EVEEN THOUGH LUG NUTS HAVE BEEN TIGHTENEDTO MANUFACTURER SPEC. CONSUMER BELIEVES THAT LUG NUTS ARE DEFECTIVE.*JB

NHTSA ODI #973355

Mileage unknown · Jul 14, 1995
Wheels

DEALER SAID THE STUD AND LUG NUT NEED TO BE REPLACED BECAUSE THE TIRE IS HARD TO REMOVE COMING FROM MANUFACTOR. *AK

NHTSA ODI #968839

Official recalls

2

90V166000 · Engine And Engine Cooling:cooling System:hoses/lines/piping/fittings

Sep 20, 1990

IMPROPERLY INSTALLED HOSE ON THE OIL COOLER COULD COME IN CONTACT WITH THE EXHAUST MANIFOLD AND COULD MELT.

Consequence & remedy

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.

90V167000 · Power Train:automatic Transmission

Sep 20, 1990

PUTTING IN MORE TRANSMISSION OIL THAN SPECIFIED CAN CAUSE OIL TO BLEED THROUGH AIR GROOVE ON TO THE EXHAUST MANIFOLD IF OIL TEMPERATURE RISES.

Consequence & remedy

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.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

5

DP92015 · Engine Compartment Fires

Opened Jul 30, 1992 · Closed Nov 25, 1992

Status: closed (inferred from source dates) · Engine And Engine Cooling

ENGINE COMPARTMENT FIRES

EA92018 · Heater Core Failure

Opened Jun 2, 1992 · Closed Apr 2, 1993

Status: closed (inferred from source dates) · Visibility:defroster/defogger/hvac System

There is no summary currently available

DP92005 · Defective Heater Cores

Opened Mar 3, 1992 · Closed Jun 2, 1992

Status: closed (inferred from source dates) · Visibility:defroster/defogger/hvac System

DEFECTIVE HEATER CORES

EA91033 · Rear Door Hinge Separation

Opened Jul 15, 1991 · Closed Jul 28, 1992

Status: closed (inferred from source dates) · Structure

There is no summary currently available

PE91046 · Rear Door Hinge Separation

Opened Feb 19, 1991 · Closed Jul 15, 1991

Status: closed (inferred from source dates) · Structure

There is no summary currently available