1998 Chevrolet Prizm Owner's Manual - Page 318

Long Tripmighway Maintenance Schedule 60,000 Miles (100 000 km) (Continued) cap, for 0 Inspect fuel tank, cap gasket and lines damage (or every24 months, whichever occurs first). Replace parts as needed. An Emission Control Service. (See footnote"f) 0 Inspect for tappet noise and engine vibration. Adjust valve clearance to factory specifications if necessary (or every48 months, whichever occursfirst). An Emission Control Service. Drain, flush and refill cooling system (or every 24 months, whichever occurs first). See "Engine Coolant" in the Index what to use. Inspect hoses. Clean for radiator, condenser, pressure cap and neck. Pressure test cooling system and pressure cap. An Emission Control Service. (See footnotet.) Change manual transaxle fluid every 30,000 miles (50 000 km) only if your vehicle is used to tow a trailer. 15,000 miles Change automatic transaxle and differential fluid every (25 000 km) if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where the outside temperature regularly reaches 90 O F (32 C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. If you do not use your vehicle under anythese conditions, check the fluid. of O 7-32