General maintenance tips that can help you keep your ford f-150 running better and save you money. Keep your ford f-150 tuned. 25,000 miles for vehicles made in the 80's. 30,000 to 100,000 miles for vehicles made in the 90's. 2. Change your oil every 3,000-5,000 miles.
Some cars have transparent reservoirs with level markings.
Inspect belts and hoses monthly. Replace worn, glazed or frayed belts. Vehicles with spring loaded belt tensioners require no adjustment. Replace bulging, rotten, or brittle hoses and tighten clamps. If a hose looks bad, or feels too soft or too hard, it should be replaced.