2003 Cadillac Escalade Owner's Manual - Page 424

90,000 Miles (150 000 km) 0 Check readfront axle fluid level and add fluid as 0 Change automatic transmission fluid and filter if the needed. Check constant velocity joints and axle seals for leaking. Replace fuel filter. An Emission Control Service. (See Footnote t.) 5.3 L Engine Only: Replace engine air cleaner filter. An Emission Control Service. 6.0 L Engine: See Part € : 3 Owner Checks and Services on page 6-10. D Rotate tires. See Tire lnspection and Rotation on page 5-66 for proper rotation pattern and additional information. (See footnote +,) vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where the outside temperature regularly reaches 90°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 haven't used your vehicle under severe service conditions listed previously and, therefore, haven't changed your automatic transmission fluid, change both the fluid and filter. 0 Inspect Positive Crankcase Ventilation (PCV) valve. 97,500 Miles (162 500 km) Check readfront axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking. Rotate tires. See Tire lnspection and Rotation on page 5-66 for proper rotation pattern and additional information. (See footnote +.) An Emission Control Service. 150,000 Miles (240000 km) 0 Drain, flush and refill cooling system (or every 100,000 Miles (166 000 km) 0 Inspect spark plug wires. An Emission Control Service. 0 Replace spark plugs. An Emission Control Service. 60 months since last service, whichever occurs first). See Engine Coolant on page 5-24 for what to use. Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test the cooling system and pressure cap. An Emission Control Service. 0 Inspect engine accessory drive belt. An Emission Control Service. 6-9