Service Intervals: Spectrum

Replace ATF and sump filter every 30,000 miles under normal driving conditions. Under severe service driving conditions, change ATF and filter every 15,000 miles. Severe service operation is when vehicle is operated under one of the following conditions:

• Most driving is in stop-and-go traffic.
• Police, taxi or delivery service.
• Trailer towing.
• Most trips are less than 4 miles.
• Most trips are less than 10 miles, and outside temperatures are less than freezing.
• Driving in dusty areas.