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The 2018 Nissan Altima uses Prestone 50/50 Prediluted Antifreeze as its coolant. Engine troubles may arise, such as spark plugs coming loose, which can lead to engine problems. It's important to ensure that any loose gaskets are tightened properly. Overheating is a serious issue that can result in car fires and explosions. Watch out for excessive oil consumption, which may indicate the need for a prompt oil change. Remember to replace the air filter every 15,000 to 30,000 miles. Coolant should be replaced every 60,000 miles, while spark plugs typically need changing around every 100,000 miles unless using copper spark plugs, which should be replaced every 30,000 miles or so.
The Nissan Altima in 2018 requires Zerex G05® 50/50 pre-mixed antifreeze/coolant in a one-gallon container.