2002 Mitsubishi Montero Sport

2002 Mitsubishi Montero Sport

Overview

The 2002 Mitsubishi Montero Sport, a body-on-frame SUV, offered a blend of off-road capability and practicality. It was generally considered a robust vehicle for its era, particularly appealing to those seeking a durable option for both daily driving and adventurous excursions. While not without its potential issues, many owners reported satisfactory long-term ownership. This analysis focuses on common mechanical and electrical points of concern, excluding routine maintenance, to provide a clearer picture of its reliability.

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Engine

3.0L V6 (6G72)

Intake Manifold Gasket Leaks

• Symptoms: Coolant leaks, engine misfires, rough idle, overheating.
• Solution: Replacement of intake manifold gaskets.
• Cost: $300 - $600

Timing Belt Failure

• Symptoms: Sudden engine shutdown, no start, potential catastrophic engine damage if belt breaks.
• Solution: Replacement of timing belt, tensioners, and water pump.
• Cost: $500 - $900

3.5L V6 (6G74)

Head Gasket Failure

• Symptoms: Coolant loss, white smoke from exhaust, overheating, milky oil.
• Solution: Replacement of head gaskets, often includes resurfacing cylinder heads.
• Cost: $1200 - $2500

Timing Belt Failure

• Symptoms: Sudden engine shutdown, no start, potential catastrophic engine damage if belt breaks.
• Solution: Replacement of timing belt, tensioners, and water pump.
• Cost: $500 - $900

Transmission

4-Speed Automatic (4WD)

Slipping Gears

• Symptoms: Delayed engagement, difficulty shifting, loss of power during acceleration.
• Solution: Transmission fluid and filter service, potential internal repairs or rebuild.
• Cost: $200 - $500 (Service), $1500 - $3000 (Rebuild)

5-Speed Manual (4WD)

Clutch Wear

• Symptoms: Slipping clutch, difficulty shifting, burning smell.
• Solution: Clutch kit replacement (clutch disc, pressure plate, release bearing).
• Cost: $600 - $1000

Suspension

Independent Front Suspension / Solid Rear Axle

Ball Joint Wear

• Symptoms: Clunking noises over bumps, uneven tire wear, steering looseness.
• Solution: Replacement of worn ball joints.
• Cost: $300 - $600

Worn Bushings

• Symptoms: Squeaking or creaking noises, vague steering feel, instability.
• Solution: Replacement of worn control arm bushings or sway bar bushings.
• Cost: $200 - $500

Electrical

General Electrical System

Alternator Failure

• Symptoms: Dimming headlights, battery warning light, electrical system malfunctions, dead battery.
• Solution: Replacement of the alternator.
• Cost: $400 - $700

Power Window Motor Failure

• Symptoms: Windows not operating, slow operation.
• Solution: Replacement of individual power window motors.
• Cost: $200 - $400

Exterior

Body and Trim

Rust on Frame and Body Panels

• Symptoms: Visible corrosion, bubbling paint, structural weakness.
• Solution: Rust treatment, panel replacement, or undercoating.
• Cost: $300 - $1500+

Tailgate Latch Issues

• Symptoms: Difficulty opening or closing tailgate, latch not engaging properly.
• Solution: Lubrication or replacement of tailgate latch mechanism.
• Cost: $100 - $300

Interior

Interior Components

HVAC Blower Motor Failure

• Symptoms: No air coming from vents or intermittent airflow.
• Solution: Replacement of the blower motor or resistor.
• Cost: $200 - $400

Seat Fabric Wear

• Symptoms: Tearing or excessive wear on seat upholstery.
• Solution: Seat cover replacement or professional upholstery repair.
• Cost: $200 - $600

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Summary Verdict

The 2002 Mitsubishi Montero Sport is a capable SUV with a generally solid mechanical foundation. Owners should be aware of potential issues with the V6 engines, particularly concerning the timing belt and head gaskets on the 3.5L models, and intake manifold gaskets on the 3.0L. Transmission reliability is decent, though older automatics may require attention. Suspension components like ball joints and bushings are common wear items. Electrical issues such as alternator failure and power window motors are not uncommon. Exterior rust can be a concern in certain climates, and interior wear is typical for a vehicle of this age. Overall, with proper maintenance and addressing known issues, the Montero Sport can remain a reliable vehicle.