Open the drain valve (drain cock) at the bottom of the radiator and let the existing coolant flow out by gravity. Then refill ...

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 ...

New advanced engines and cooling systems are changing cooling system maintenance requirements. Service technicians and fleet managers should review their preventative maintenance (PM) strategy and ...