1999 Lincoln Navigator Scheduled Maintenance Guide 3rd Printing - Page 23

Normal Schedule Normal Schedule 90,000 miles Cars and Minivans Change engine oil and replace oil filter Inspect automatic transmission fluid level Inspect brake pads/shoes/rotors/drums, brake lines & hoses, and parking brake system Inspect engine cooling system and hoses Inspect exhaust system and heat shields Inspect steering linkage, suspension, and if equipped driveshaft and ball joints Inspect tires for wear and rotate Replace engine air filter Replace fuel filter* Replace cabin air filter, if equipped Replace spark plugs (Villager) Inspect drive belt (Villager) Perform automatic transmission/transaxle services on all vehicles equipped with AX4S, AX4N, 4R70W. Consult your dealer for your particular requirements. Light Trucks, Sport Utilities, and Vans: All Services Above Plus Inspect and lubricate 4x2 ball joints (except F-450/F-550) Inspect/adjust 4x2 wheel bearings for end play (except F-450/F-550) Replace fuel filter - gasoline engines (E/F Super Duty)* Change automatic transmission fluid (Class A Motorhome) 4x4: All Services Above Plus Lubricate front half-shaft slip yoke Lubricate transfer case shift linkage, if equipped *If vehicle is registered in California, the California Air Resources Board has determined that the failure to perform this maintenance item will not nulify the emission warranty or limit recall liability prior to the completion of the vehicle's useful life. We, however, urge that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded. 23