2004 MITSUBISHI Eclipse 4G63T/3G8E (DK)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Timing belt replacement critical at 60,000 miles
• Turbocharger wear on 4G63T if oil maintenance neglected

First checks

• Timing belt condition and replacement records
• Turbocharger function and oil supply integrity on GSX
• Suspension bushings wear

Before replacing parts

• Save fault codes and freeze-frame data before clearing anything.
• Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
• Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

• Turbocharged 4G63T engine primarily in North American GSX trim; other markets mostly used 2.4L 3G8E engine.
• Oil capacity stated is approximate; refer to official Mitsubishi workshop manuals for exact market-specific values.