Mitsubishi Montero Engine and Engine Cooling Problems

Source: NHTSA · Updated Apr 16, 2024 · 111 complaints analyzed

Owners have filed 111 complaints with NHTSA about engine and engine cooling problems on the Mitsubishi Montero across 9 model years. The 1995 model year has the most (34). The words owners use most often: “crankshaft pulley” (22% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Crankshaft pulley: mentioned in 24 of 111 complaints (22%)
  • Crank shaft: mentioned in 8 of 111 complaints (7%)
  • Bolt broke: mentioned in 6 of 111 complaints (5%)

At what mileage do engine and engine cooling problems happen?

Based on 40 complaints that reported the odometer reading.

Under 10k miles1 · 3%
10k–25k miles2 · 5%
25k–50k miles7 · 18%
50k–75k miles6 · 15%
75k–100k miles6 · 15%
100k–150k miles9 · 23%
150k+ miles9 · 23%

How serious are the reports?

Of 111 complaints, 1 mention a crash, 2 a fire, 2 an injury.

Mitsubishi Montero engine and engine cooling complaints by model year

Peak: 1995, with 34 complaints
1995: 341995341996: 101996101997: 171997171998: 9199891999: 4199942000: 5200052001: 212001212002: 8200282003: 320033

n = 111 complaints · Source: NHTSA

Model yearEngine and Engine Cooling complaintsShare of that yearMedian miles
2003 Montero38%37,500
2002 Montero87%29,500
2001 Montero2113%58,250
2000 Montero510%—
1999 Montero410%64,500
1998 Montero912%94,000
1997 Montero1727%156,000
1996 Montero1037%146,000
1995 Montero3440%143,000

When owners reported it

Peak: 2001, with 18 complaints
1995: 1199511997: 111998: 3199831999: 882000: 4200042001: 18182002: 132002132003: 18182004: 162004162005: 332006: 6200662007: 772008: 5200852009: 222010: 1201012011: 442016: 120161

n = 111 complaints · Source: NHTSA

Related recalls (1)

Engine and engine cooling:engineOct 2, 2000 · NHTSA campaign 00V311001 · 210,000 vehicles

Model years: 1995, 1996

Problem: Vehicle description: passenger vehicles: mirage model vehicles equipped with 1.5l engines; montero sport models equipped with 3.0l engines; and montero models equipped with 3.0l engines. The bolt securing the crankshaft pulley can become loose and the pulley could fall off the vehicle.

Risk: The condition can result in a loss of power steering assist, increasing the risk of a crash.

Fix: On the mirage vehicles, the dealers will install a new, improved crankshaft pulley bolt on the older engines. On new engines which already have the improved bolt, the dealer will tighten the crankshaft pulley bolt to the correct torque specification. On the montero models, dealers will tighten the crankshaft pulley bolt to the correct torque specifications. If the bolt is damaged, it will be replaced.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

Tl* the contact owns a 2003 mitsubishi montero. The contact stated that the check engine warning light remained illuminated when the vehicle was purchased from the dealer. The contact stated that the vehicle had a strong hesitation as the failure progressed. The vehicle was taken to an independent…

Received Jun 29, 2016 · NHTSA complaint 10881447

2000 montero check engine soon light on continuously steps taken, replaced plugs,wires, coils, timing belt, idler pulley, thermostat, engine heat indicator rises to hot than back to normal, engine run's sluggish, no power, shifting is delayed when on an incline and hear a muffled back fire on…

Received May 3, 2011 · NHTSA complaint 10398763

1997 mitsubish montero 3.5 liter automatic- crank shaft bolt has come out on 5 separate occasions and has cost over $3000 to have it replaced. The inside of the crankshaft where the bolt goes is completely stripped to the point i now have to replace the engine. This is not an isolated issue as this…

Received Apr 16, 2011 · NHTSA complaint 10396534

Malfunction indicator lamp (mil) illuminates when towing, on steep grades, or even continuously. Diagnostic trouble code (dtc) p0125 is displayed indicating insufficient coolant temperature, even though actual coolant temperature is within normal range of 200 to 215 degrees. Replacement of coolant…

Received Mar 24, 2011 · NHTSA complaint 10392763

Crankshaft pulley pin/bolt gets sheared off. Dash lights come on and vehicle power steering stops working as the pump is not turning because the problem affect the entire pulley system. It also affects the timing gear/belt/harmonic balancer. This is the 3rd time in as many years this has happened…

Received Feb 26, 2011 · NHTSA complaint 10384572

Frequently asked questions

Do all Mitsubishi Monteros have engine and engine cooling problems?

No. NHTSA has 111 owner complaints about engine and engine cooling for the Mitsubishi Montero. Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the Mitsubishi Montero engine and engine cooling?

Yes: 1 safety recall list engine and engine cooling. Check your VIN on NHTSA.gov to see whether the fix was done on your car.

What do owners say about engine and engine cooling problems on the Mitsubishi Montero?

The most frequent phrase is “crankshaft pulley”, in 24 of 111 complaints, followed by “crank shaft” (8).

Other Mitsubishi Montero problems

See all Mitsubishi Montero problems.