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The suggested coolant for a 2015 Toyota Corolla is pink 50/50. The coolant should be replaced approximately every 60,000 miles. The air filter should be changed every 15,000 to 30,000 miles, and spark plugs typically need to be replaced around 100,000 miles unless they are copper, in which case they should be changed every 30,000 miles. Engine problems are common, with engine overheating being a significant issue that could lead to car fires and explosions. Excessive oil consumption may require immediate oil changes. Spark plugs coming loose can cause engine troubles, while loose gaskets should be tightened. Prompt repairs are necessary for any oil leaks that may occur.
The majority of car owners opt for pre-diluted long-lasting 50/50 engine coolant/antifreeze, which can come in various brands. The coolant is typically colored pink.
The 2015 Corolla requires Aisin brand coolant, usually the long-lasting engine coolant.