Y33
Infiniti Q45 (1997–2001)
Maintenance Schedule
7 recurring services keep the 1997–2001 Infiniti Q45 healthy — starting with oil changes every 3,750 miles. Budget roughly $1,900–3,000 in routine maintenance over 100,000 miles at typical U.S. shop prices.
Applies to model years 1997, 1998, 1999, 2000, 2001
Full schedule
Intervals follow the factory maintenance schedule for the 1997-2001 Infiniti Q45. Cost ranges are typical U.S. shop prices.
| Service | Interval | Est. cost | Notes |
|---|---|---|---|
| Oil Change | Every 3,750 mi or 6 mo | $45–70 | Engine oil and filter replacement (V8) |
| Air Filter | Every 15,000 mi or 12 mo | $25–45 | Engine air filter replacement |
| Brake Fluid | Every 30,000 mi or 2 yr | $65–95 | Brake fluid replacement |
| Spark Plugs | Every 60,000 mi or 5 yr | $140–250 | Platinum spark plugs replacement (V8) |
| Transmission Fluid | Every 60,000 mi or 5 yr | $120–200 | Automatic transmission fluid change |
| Coolant Flush | Every 60,000 mi or 5 yr | $85–135 | Extended life coolant flush and refill |
| Timing Chain | Every 120,000 mi or 12 yr | $1,000–1,600 | Timing chain and guides replacement |
Common questions
How often should I change the oil on a 1997–2001 Infiniti Q45?
Every 3,750 miles or 6 months, whichever comes first. A typical U.S. shop charges $45–70. Engine oil and filter replacement (V8).
How much does it cost to maintain a Infiniti Q45 (1997–2001)?
Routine maintenance on the 1997–2001 Infiniti Q45 runs roughly $1,900–3,000 over 100,000 miles at typical U.S. shop prices, spread across 7 recurring services. Independent shops usually land near the low end; dealers near the high end.
What is the most expensive scheduled service on this Q45?
Timing Chain at $1,000–1,600, due every 120,000 miles. Timing chain and guides replacement.
Cost ranges are estimates for typical U.S. independent shops and dealers; your local prices will vary. Always confirm intervals against your owner's manual — severe driving conditions (towing, short trips, extreme heat or cold) shorten many of them.