EA
Mitsubishi Galant (1999–2003)
Maintenance Schedule
8 recurring services keep the 1999–2003 Mitsubishi Galant healthy — starting with oil changes every 7,500 miles. Budget roughly $1,500–2,400 in routine maintenance over 100,000 miles at typical U.S. shop prices.
Applies to model years 1999, 2000, 2001, 2002, 2003
Full schedule
Intervals follow the factory maintenance schedule for the 1999-2003 Mitsubishi Galant. Cost ranges are typical U.S. shop prices.
| Service | Interval | Est. cost | Notes |
|---|---|---|---|
| Oil Change | Every 7,500 mi or 6 mo | $35–55 | Conventional oil and filter replacement |
| Brake Fluid | Every 30,000 mi or 2 yr | $55–85 | Brake fluid replacement |
| Air Filter | Every 30,000 mi or 2 yr | $22–40 | Engine air filter replacement |
| Timing Belt | Every 60,000 mi or 5 yr | $500–850 | Timing belt and water pump replacement |
| Spark Plugs | Every 60,000 mi or 5 yr | $80–150 | Platinum spark plugs replacement (4-cyl or V6) |
| Transmission Fluid | Every 60,000 mi or 5 yr | $100–160 | Manual or automatic transmission fluid change |
| Coolant Flush | Every 60,000 mi or 5 yr | $70–115 | Cooling system flush and refill |
| Fuel Filter | Every 60,000 mi or 5 yr | $40–70 | Fuel filter replacement |
Common questions
How often should I change the oil on a 1999–2003 Mitsubishi Galant?
Every 7,500 miles or 6 months, whichever comes first. A typical U.S. shop charges $35–55. Conventional oil and filter replacement.
How much does it cost to maintain a Mitsubishi Galant (1999–2003)?
Routine maintenance on the 1999–2003 Mitsubishi Galant runs roughly $1,500–2,400 over 100,000 miles at typical U.S. shop prices, spread across 8 recurring services. Independent shops usually land near the low end; dealers near the high end.
What is the most expensive scheduled service on this Galant?
Timing Belt at $500–850, due every 60,000 miles. Timing belt and water pump replacement.
Cost ranges are typical U.S. independent-shop and dealer estimates; your local prices vary. Severe driving — towing, short trips, extreme heat or cold — shortens many intervals. Information here is general and may be estimated or AI-assisted — not professional, medical, or veterinary advice. Verify against your owner's manual, a professional, or your vet before acting. See our Terms & Disclaimer.