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Mitsubishi · Known Issues

2010 Mitsubishi Eclipse Problems: 2 Known Issues

2010 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

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Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2010 Mitsubishi Eclipse has 2 documented known issues, with 1 rated critical. The most serious is Timing Belt Tensioner and Water Pump Failure ($400-$1,200 repair). Across all issues with published estimates, repair costs range from $300 to $2,500. DIY maintenance guides at au7o.io.

In This Article

  • Eclipse Engine2
  • Recalls1
  • FAQ
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In This Article

  • Engine2
  • Recalls1
  • FAQ

All 2 Known Issues

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ALL YEARS20122011201020092008200720062005200420032002200120001999199819971996199519941993199219911990

On the 2000-2012 Mitsubishi Eclipse, the Eclipse timing belt tensioner hydraulic damper fails, allowing the timing belt to become loose and potentially jump teeth. The water pump, driven by the timing belt, also develops bearing failure and coolant leaks. These failures are particularly common on the 4G64 and 4G69 engines.

Common Symptoms

  • Squealing or chirping from timing cover
  • Coolant leak from water pump weep hole
  • Engine misfiring or rough running
  • Timing belt visibly worn or cracked

How to Fix

Replace the timing belt, tensioner, idler pulleys, and water pump as a complete kit every 60,000 miles. Use only OEM or premium aftermarket timing components. Do not reuse the old hydraulic tensioner.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Gates PowerGrip timing component kit with water pump TCKWP340
    OEMGates TCKWP340

    product page explicitly fits 2008-2012 Eclipse 2.4L four-cylinder and identifies Gates TCKWP340 with water pump.

    PartsGeek

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Typical repair cost:$400 - $1,200

Research This Issue

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Community Reported
High Confidence

On the 2000-2012 Mitsubishi Eclipse, the 3.0L 6G72 and 3.8L 6G75 V6 engines in the Eclipse GT develop excessive oil consumption over time. Worn valve stem seals and piston ring glazing allow oil to enter the combustion chambers, producing blue exhaust smoke and requiring frequent top-offs.

This issue also affects: Dodge Stealth

Common Symptoms

  • Blue smoke from exhaust
  • Oil level dropping between changes
  • Fouled spark plugs
  • Catalytic converter degradation

How to Fix

Replace valve stem seals as a first step. If consumption persists, the piston rings may need replacement. Use high-mileage synthetic oil with seal conditioners. Monitor oil level every 1,000 miles.

Typical repair cost:$300 - $2,500

Research This Issue

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Community Reported
Medium Confidence
NHTSA Recalls1 recall

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE

Mitsubishi Motors North America, Inc. (MMNA) is recalling certain model year 2006-2009 Eclipse vehicles manufactured April 20, 2005, to February 13, 2009, and 2007-2009 Eclipse Spyder vehicles manufactured December 23, 2005, to February 13, 2009. Due to corrosion inside the antil-lock brake system (ABS) unit, one or more of the internal valves may seize. In a braking event that uses the ABS, a seized valve would increase brake pedal travel and reduce braking ability.

Campaign #15V33700002/06/2015

Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.

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Frequently Asked Questions

What are the most common Mitsubishi Eclipse problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2010 Mitsubishi Eclipse has 2 documented issues. The most frequently reported are: Timing Belt Tensioner and Water Pump Failure, V6 Engine Oil Consumption. Of these, 1 is rated critical and should be addressed promptly.

Is the Mitsubishi Eclipse reliable?

The 2010 Mitsubishi Eclipse has 2 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Timing Belt Tensioner and Water Pump Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Mitsubishi Eclipse problems?

Repair costs for known Mitsubishi Eclipse issues range from $300 to $2,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Timing Belt Tensioner and Water Pump Failure, typically costs $400-$1,200 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2000-2012 Mitsubishi Eclipse Timing Belt Tensioner and Water Pump Failure?

The Eclipse timing belt tensioner hydraulic damper fails, allowing the timing belt to become loose and potentially jump teeth. The water pump, driven by the timing belt, also develops bearing failure and coolant leaks. These failures are particularly common on the 4G64 and 4G69 e… Repairs typically run $400-$1,200. Severity: high.

What is the 2000-2012 Mitsubishi Eclipse V6 Engine Oil Consumption?

The 3.0L 6G72 and 3.8L 6G75 V6 engines in the Eclipse GT develop excessive oil consumption over time. Worn valve stem seals and piston ring glazing allow oil to enter the combustion chambers, producing blue exhaust smoke and requiring frequent top-offs. Repairs typically run $300-$2,500. Severity: medium.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.