1991 Mitsubishi Montero Engine cooling Problems
- Complaints
- 7about this part
- Share
- 39%of 18 total for the year
- Median mileage
- 105,504miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 7 complaints about the engine cooling of the 1991 Mitsubishi Montero, 39% of the 18 complaints for this model year. Where a mileage was given, the median is 105,504 miles.
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.
“I purchased a Mitsubishi Montero as a main car to transport back and forth to my business. The crank shaft pulley bolt came out and I had the car repaired. I was able to drive the car for approximately 3 to 4 weeks before the pulley bolt broke off in the crankshaft now I am stuck trying to find a mechanic to drill the remainder of the bolt out. …”
NHTSA complaint #10154928, filed 2006-04, 209,507 miles“Dt: the consumer states that his vehicle was leaking oil at only 1500 miles. Consumer did file a complaint with the federal trade commission on the dealer. The consumer also had problems with the front brakes. The vehicle would also overheat. The dealership is falsifying information to an officer because they told him consumer was behind on his payments and he is not.”
NHTSA complaint #10124112, filed 2005-08, 1,500 miles“I had two tires blow out on me on the way home from north hollywood on 9/19/01. My car is presently at a repair shop, so I don't know the name of the tires. Also my thermostat went out on me and my radiator had to be flushed. My engine through a rod or is about to. I'v had problems startin up my vehicle, because the battery keeps moving and has no battery box or post to keep it stablized. I've only had the car 6 months, we just bought it. We got it checked out by winston tires in barstow before we bought it and only minor problems show up. Upon winston tires assessment, we bought the SUV. …”
NHTSA complaint #757386, filed 2002-01“While traveling and without any indication engine died. Technician stated that bolts came out from crankshaft/ pully. Please provide further information.”
NHTSA complaint #884462, filed 2001-03“I understand mitsubihi is having problems with crankshaft bolt problems in other vehicles, and this is another incident. (DOT number: n/a tiresize: n/a)”
NHTSA complaint #733198, filed 2000-10Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2003 | 3 | 8% |
| 2002 | 8 | 7% |
| 2001 | 21 | 13% |
| 2000 | 5 | 10% |
| 1999 | 4 | 10% |
| 1998 | 9 | 12% |
| 1997 | 17 | 27% |
| 1996 | 10 | 37% |
| 1995 | 34 | 40% |
| 1994 | 13 | 42% |
| 1993 | 8 | 57% |
| 1992 | 6 | 50% |
| 1991 | 7 | 39% |
| 1990 | 7 | 30% |
| 1989 | 1 | 10% |
Other parts of the 1991 Mitsubishi Montero
4 complaintsTires
3 complaintsBrakes
2 complaintsVehicle speed control
2 complaintsElectrical system
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsTransmission and drivetrain
1 complaints
← All problems reported for the 1991 Mitsubishi Montero
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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