2012 Mitsubishi Eclipse

2012 Mitsubishi Eclipse

Overview

The 2012 Mitsubishi Eclipse, a sporty compact coupe, offered a blend of performance and style. While generally considered a reliable vehicle for its era, like any car, it has specific areas where owners have reported issues. This analysis focuses on common technical problems documented for the 2012 model year, excluding routine maintenance and normal wear and tear. We will examine the powertrain, suspension, electrical systems, and other key areas to provide a comprehensive reliability overview.

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Engine

2.4L 4-Cylinder (4G69)

Oil Leaks

• Symptoms: Visible oil spots under the vehicle, low oil level warnings, burning oil smell.
• Solution: Replacement of seals and gaskets (e.g., valve cover gasket, oil pan gasket).
• Cost: $250 - $600

Cooling System Leaks

• Symptoms: Overheating, coolant loss, visible coolant puddles, steam from engine bay.
• Solution: Replacement of radiator, hoses, or water pump.
• Cost: $400 - $800

3.8L V6 (6G75)

Intake Manifold Gasket Leaks

• Symptoms: Vacuum leaks, rough idle, potential coolant loss into the intake.
• Solution: Replacement of intake manifold gaskets.
• Cost: $300 - $700

Transmission

5-Speed Manual

Clutch Wear

• Symptoms: Slipping clutch, difficulty shifting gears, burning smell.
• Solution: Clutch replacement (clutch kit including disc, pressure plate, and release bearing).
• Cost: $700 - $1200

6-Speed Manual

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

4-Speed Automatic (F4A51)

Harsh Shifting / Delayed Engagement

• Symptoms: Jerky gear changes, hesitation when shifting into drive or reverse.
• Solution: Transmission fluid flush and filter replacement, or internal transmission repair/rebuild.
• Cost: $300 - $1500+

5-Speed Automatic (W5A5A)

No widespread issues reported.

• Symptoms: N/A
• Solution: N/A
• Cost: Varies

Suspension

Standard Chassis

Worn Control Arm Bushings

• Symptoms: Clunking noises over bumps, uneven tire wear, vague steering feel.
• Solution: Replacement of control arm bushings or entire control arms.
• Cost: $300 - $700

Strut Mount Bearing Failure

• Symptoms: Popping or creaking noise when turning the steering wheel at low speeds.
• Solution: Replacement of strut mounts.
• Cost: $200 - $450

Electrical

General Electrical System

Window Regulator Failure

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

Alternator Failure

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

Exterior

Body Panels & Trim

Rusting (Wheel Arches, Rocker Panels)

• Symptoms: Visible rust bubbles or holes on lower body panels.
• Solution: Rust repair and repainting, or panel replacement.
• Cost: $300 - $1000+

Interior

Interior Components

HVAC Blower Motor Failure

• Symptoms: No air coming from vents, or intermittent airflow, regardless of fan speed setting.
• Solution: Replacement of the HVAC blower motor and resistor.
• Cost: $200 - $450

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Summary Verdict

The 2012 Mitsubishi Eclipse is a reasonably reliable sports coupe, particularly if well-maintained. Common issues tend to be related to age and mileage, such as oil and coolant leaks from the engine, and wear on suspension components like bushings and strut mounts. Transmission issues, especially with the automatic variants, can arise, often manifesting as harsh shifting. Electrical problems like window regulators and alternators are also noted. Exterior rust can be a concern in certain climates. Overall, while not immune to problems, the Eclipse offers a generally dependable experience, with most issues being repairable without excessive cost, provided timely attention.