Service Intervals

WARNING: This page is about a different car, the 2003 Mercury Grand Marquis and 2003 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

Check transmission fluid level at every engine oil change. Under normal service, change transmission fluid and filter at 150,000-mile intervals. See DRAINING & REFILLING . Service all models at 30,000-mile intervals when used under the following conditions:

In hot weather with temperature greater than 90°F (32°C), carrying heavy loads and/or in hilly terrain.
Towing a trailer or using a car top carrier.
In police, taxi or door-to-door delivery service.
Extreme dusty conditions or off-road use.