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

Automotive coolant replacement methods can be broadly categorized into simple drain and circulation replacement. The ...

my mechanic says i have sludgy build-up in my cooling system, so it needs flushing. i'm not questioning that, they are pretty reliable.<BR><BR>the guy suggested that i switch to the regular green ...