Skip to content
Engine coolingPart report

1990 Mitsubishi Montero Engine cooling Problems

Complaints
7about this part
Share
30%of 23 total for the year
Median mileage
228,859miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 7 complaints about the engine cooling of the 1990 Mitsubishi Montero, 30% of the 23 complaints for this model year. Where a mileage was given, the median is 228,859 miles. 2 a fire, according to the filers.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Consumer called complaining about having problem with the engine bolt that broke while driving the vehicle at 25 MPH. Ts there was a failure in the vibration damper bolt which caused the pulley to fall off.”

NHTSA complaint #8023736, filed 2002-12, 263,000 miles

“While driving 65 MPH consumer heard a loud knocking noise coming from the front of the vehicle. Suddenly consumer lost power steering. However, consumer was able to maintain control of the vehicle, and pulled over. Vehicle was taken to the dealer for inspection, and mechanic determined that the pulley needed to be replaced.”

NHTSA complaint #10103306, filed 2004-12

“1990 mitusbishi Montero started to smoke. Consumer pulled over to shoulder and vehicle became engulfed in flames. *njohio traffic crash report # 10-0206-89.”

NHTSA complaint #10231772, filed 2008-06

“Exhaust system & oil were full of gas. Mechanic had to contact someone in orgeon to get help. Neither had ever heard or seen anything like it. Consumer had to get a jump start, and just from sparks vehicle could have blown up. Mechanic said still no guarantee that it still won't blow up.”

NHTSA complaint #875843, filed 2000-12

“The bolt on the front of the crankshaft broke off, causing the pulley and belt to fly off, resulting in loss of power steering and loss of vehicle control.”

NHTSA complaint #9005704, filed 2002-02

Engine cooling: other model years

YearComplaintsShare of year
200338%
200287%
20012113%
2000510%
1999410%
1998912%
19971727%
19961037%
19953440%
19941342%
1993857%
1992650%
1991739%
1990730%
1989110%

Other parts of the 1990 Mitsubishi Montero

Seat belts
6 complaints
Brakes
2 complaints
Transmission and drivetrain
2 complaints
Vehicle speed control
2 complaints
Fuel system
1 complaints
Steering
1 complaints
Tires
1 complaints
Visibility (wipers, defrost, mirrors)
1 complaints

← All problems reported for the 1990 Mitsubishi Montero

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.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology