1998 MITSUBISHI Galant 4G63/6A12 (EA)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Timing belt wear requiring replacement every 60,000 mi
• Ignition coil failure in some 4G63 engines
• Cooling system leaks

First checks

• Timing belt condition and service history
• Cooling system hoses and radiator
• Suspension bushings and mounts

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

• Market variations exist with engine choice and detailed specs, especially between North America, Japan, and Europe.
• Oil capacity and other fluids should be verified per local service manual due to model and trim differences.