1999 Mitsubishi Montero Sport Engine cooling Problems
- Complaints
- 6about this part
- Share
- 18%of 33 total for the year
- Median mileage
- 143,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the engine cooling of the 1999 Mitsubishi Montero Sport, 18% of the 33 complaints for this model year. Where a mileage was given, the median is 143,000 miles. 1 of these say a crash was involved, according to the filers. 1 recall campaign on record is filed under a similar system.
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.
“On sat. 2/6/2010 while driving, I experienced loss of steering which scared me for a moment. After pulling over, I investigated what caused the problem, and found that my harmonic balancer had come loose. I got my vehicle back to the house, and parked it.”
NHTSA complaint #10307719, filed 2010-02, 180,291 miles“Vehicle lost use of power steering during a 90 degree turn at a busy intersection and I was barely able to maintain control of it. I proceeded to pull into parking lot of nearby convenience store and checked under the hood. I noticed that the v-belt to the power steering pump and other components was turning rather sluggishly and could hear a squeaking/chirping sound coming from the engine compartment. After switching off the A/C, I observed that the v-belt began to turn more freely but still somewhat slower than normal. …”
NHTSA complaint #10134687, filed 2005-08, 143,000 miles“The contact owns a 1999 Mitsubishi Montero Sport. When the contact started the vehicle, she heard a tapping sound. She drove the vehicle, approached a stop light, and heard three thumps from the engine. The vehicle stalled. The contact was able to restart the vehicle and drive to the mechanic. He discovered that the A/C belt was missing. When the mechanic attempted to repair the belt, he noticed that the crankshaft pulley bolt was loose and was unable to be tightened. He also informed the contact that the noise she heard was the A/C belt detaching and striking the engine. …”
NHTSA complaint #10221021, filed 2008-03, 115,000 miles“The vehicle constanlty pulls to the right while driving, noises can be heard when braking and when accelerating and there is vibration in the steering wheel, all four tires have been repalced but the problems still exist, the dealer has been unable to identify the problem. Nlm”
NHTSA complaint #560063, filed 2001-02Related recalls
- 00V311001Oct 2, 2000Vehicle description: passenger vehicles: mirage model vehicles equipped with 1.5l engines; montero sport models equipped with 3.0l engines; and montero models…Covers: Mitsubishi Montero Sport 1997–1999, Montero 1992–1996, Mirage 1997–1999
Related service bulletins
- 10170074Aug 28, 2015This is a service newsletter (Tech Talk) that was sent out to dealers.
- 10170071Jul 22, 2015This is a service newsletter (Tech Talk) that was sent out to dealers.
- 10170086Nov 1, 2012This is a service newsletter (Tech Talk) that was sent out to dealers.
Engine cooling: other model years
Other parts of the 1999 Mitsubishi Montero Sport
5 complaintsEquipment
5 complaintsSuspension
5 complaintsTransmission and drivetrain
5 complaintsSteering
3 complaintsBody and structure
3 complaintsTires
3 complaintsFuel system
2 complaintsAir bags
1 complaintsElectrical system
1 complaintsEngine
1 complaintsExterior lighting
1 complaints
← All problems reported for the 1999 Mitsubishi Montero Sport
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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