Service Intervals
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 1993 Pontiac Sunbird, 1993 Pontiac Grand Prix, 1993 Pontiac Grand Am, 1993 Pontiac Firebird, and 1993 Pontiac Bonneville. However, it is still accessible from the selected car via links, so may be relevant.
Check transmission fluid level at every engine oil change. Transmission fluid should be changed and filter replaced every 100,000 miles under normal operating conditions. Under continuous extreme operating conditions (trailer towing, heavy city traffic with ambient temperature more than 90°F (32°C) or delivery service), fluid and filter should be changed every 15,000 miles.