2008 Mitsubishi Montero Sport

2008 Mitsubishi Montero Sport

Overview

The 2008 Mitsubishi Montero Sport, a robust mid-size SUV, generally presents a solid reliability record, particularly for its era. It was designed with off-road capability and durability in mind, which often translates to well-built mechanical components. However, like any vehicle, it has specific areas that have seen more attention from owners and technicians. This analysis focuses on documented technical issues beyond routine maintenance, providing insights into potential concerns for owners and prospective buyers. We will examine the engine, transmission, suspension, electrical systems, exterior, and interior to offer a comprehensive reliability picture.

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Engine

3.5L V6 (6G74)

Timing Belt Failure

• Symptoms: Sudden engine shutdown, loss of power, unusual noises from the engine.
• Solution: Replacement of timing belt, tensioners, and idler pulleys. If failure occurs, potential for internal engine damage requiring more extensive repairs.
• Cost: $600 - $1200

Oil Leaks (Valve Cover Gaskets)

• Symptoms: Visible oil around the engine, burning oil smell, oil spots under the vehicle.
• Solution: Replacement of valve cover gaskets.
• Cost: $300 - $600

3.8L V6 (6G75)

Timing Belt Failure

• Symptoms: Sudden engine shutdown, loss of power, unusual noises from the engine.
• Solution: Replacement of timing belt, tensioners, and idler pulleys. If failure occurs, potential for internal engine damage requiring more extensive repairs.
• Cost: $600 - $1200

Oil Leaks (Valve Cover Gaskets)

• Symptoms: Visible oil around the engine, burning oil smell, oil spots under the vehicle.
• Solution: Replacement of valve cover gaskets.
• Cost: $300 - $600

Transmission

4-Speed Automatic (V4A5A)

Harsh Shifting / Slipping

• Symptoms: Jerky gear changes, delayed engagement, engine revving without acceleration.
• Solution: Transmission fluid and filter change, solenoid replacement, or full transmission rebuild.
• Cost: $400 - $2500+

5-Speed Automatic (W5A5A)

Harsh Shifting / Slipping

• Symptoms: Jerky gear changes, delayed engagement, engine revving without acceleration.
• Solution: Transmission fluid and filter change, solenoid replacement, or full transmission rebuild.
• Cost: $400 - $2500+

Suspension

Independent Front Suspension / Multi-link Rear

Worn Ball Joints / Bushings

• Symptoms: Clunking noises over bumps, vague steering, uneven tire wear.
• Solution: Replacement of worn ball joints and suspension bushings.
• Cost: $400 - $900

Electrical

General Electrical System

Alternator Failure

• Symptoms: Dimming headlights, battery warning light illuminated, electrical components malfunctioning.
• Solution: Replacement of the alternator.
• Cost: $400 - $700

Window Regulator Failure

• Symptoms: Power windows not operating, window stuck in position.
• Solution: Replacement of the window regulator mechanism.
• Cost: $200 - $400

Exterior

Body and Paint

Rust (Frame and Body Panels)

• Symptoms: Visible corrosion, bubbling paint, structural weakness.
• Solution: Rust treatment and repair, panel replacement, or undercoating.
• Cost: $300 - $2000+

Interior

Interior Trim and Features

HVAC Blower Motor Failure

• Symptoms: No air coming from vents, or intermittent airflow, unusual noises from the dashboard.
• Solution: Replacement of the HVAC blower motor and resistor.
• Cost: $200 - $500

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Summary Verdict

The 2008 Mitsubishi Montero Sport is a generally reliable vehicle, especially for its intended use. The V6 engines, while requiring timely timing belt replacements, are robust. Common issues tend to be related to age and mileage, such as oil leaks from gaskets and potential wear in suspension components like ball joints and bushings. Transmission issues, while not universal, can arise and may require significant repair if not addressed early. Electrical components like alternators and window regulators are typical wear items for vehicles of this age. Owners should be vigilant about rust, particularly in areas with harsh climates. Overall, with proper maintenance and attention to these known areas, the Montero Sport can continue to be a dependable SUV.