2003 Ford Explorer

2003 Ford Explorer

Overview

The 2003 Ford Explorer, a popular mid-size SUV, offered a range of engine and drivetrain options catering to different needs. While generally considered a capable vehicle for its time, like many vehicles of this era, it has specific areas where owners have reported issues. This analysis focuses on common mechanical and electrical problems, excluding routine maintenance. Understanding these potential pitfalls can help current and prospective owners anticipate and address necessary repairs, ensuring the longevity and reliability of their Explorer.

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Engine

4.0L V6 SOHC

Timing Chain Tensioner Failure

• Symptoms: Rattling noise from the front of the engine, especially on startup; check engine light.
• Solution: Replacement of timing chain tensioners, guides, and potentially the timing chain itself.
• Cost: $1200 - $2500

Intake Manifold Gasket Leaks

• Symptoms: Coolant leaks, engine misfires, rough idle, overheating.
• Solution: Replacement of intake manifold gaskets.
• Cost: $500 - $900

4.6L V8

Spark Plug Blowout

• Symptoms: Engine misfires, loss of power, ticking noise from the engine.
• Solution: Repair or replacement of spark plug threads, often requiring specialized tools or inserts.
• Cost: $400 - $800

Transmission

5R55W/S (5-Speed Automatic)

Solenoid Issues

• Symptoms: Harsh shifting, delayed engagement, slipping gears, transmission warning light.
• Solution: Replacement of faulty shift solenoids.
• Cost: $300 - $600

Torque Converter Problems

• Symptoms: Shuddering at low speeds, slipping, difficulty shifting.
• Solution: Replacement of the torque converter.
• Cost: $800 - $1500

Suspension

Independent Front Suspension

Ball Joint Wear

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

Control Arm Bushing Deterioration

• Symptoms: Squeaking or clunking noises, poor handling, vibration.
• Solution: Replacement of worn control arm bushings.
• Cost: $250 - $500

Electrical

Instrument Cluster

Gauge Malfunctions

• Symptoms: Speedometer, tachometer, or fuel gauge not working correctly; flickering lights on the cluster.
• Solution: Repair or replacement of the instrument cluster.
• Cost: $400 - $800

Window Regulators

Power Window Failure

• Symptoms: Power windows stop working, slow operation, grinding noises.
• Solution: Replacement of power window regulators and motors.
• Cost: $200 - $400

Exterior

Body

Rear Hatch Latch Issues

• Symptoms: Difficulty opening or closing the rear hatch, latch not engaging properly.
• Solution: Lubrication or replacement of the rear hatch latch mechanism.
• Cost: $150 - $300

Interior

HVAC System

Blend Door Actuator Failure

• Symptoms: Inability to control temperature (stuck on hot or cold), air only coming from certain vents.
• Solution: Replacement of the blend door actuator.
• Cost: $200 - $400

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Summary Verdict

The 2003 Ford Explorer, particularly with the 4.0L V6 engine, can be prone to timing chain and intake manifold issues. The 4.6L V8 may experience spark plug blowouts. Automatic transmission problems often involve solenoids or the torque converter. Suspension components like ball joints and bushings are common wear items. Electrical gremlins can manifest as instrument cluster failures or power window issues. While not overwhelmingly problematic, potential buyers should be aware of these common repair areas and factor them into ownership costs.