Draining and filling the engine coolant is fairly straightforward for most vehicles produced before 2000. Start by checking the condition of your coolant when the engine is cool. Remove the radiator ...

Conventional green coolant lasts two to three years or 30,000 to 50,000 miles. Extended-life orange and red coolants last five years or 100,000 to 150,000 miles under normal operating conditions. The ...