Service Intervals
WARNING: This page is about a different car, the 1993 Isuzu Stylus, 1992 Isuzu Stylus, and 1991 Isuzu Stylus. However, it is still accessible from the selected car via links, so may be relevant.
Check fluid at every engine oil change. Under normal conditions, replace fluid and oil screen every 30,000 miles. Under severe conditions such as stop-and-go traffic or mountain driving, change oil and screen at 15,000-mile intervals.