how do i do a leak down test?
Quote Originally Posted by Marta Mike View Post
Im going to agree. I had the same problem at work. A flush wont always fix a clogged radiator. With the age, time, and driving of the vehicle Id go ahead and replace it. I replaced a fan, thermostat, coolant flush, and it was still over heating. I replaced the radiator and all was fine. But if youve been running it hot which apparently you have since u said it ran like crap when hot, your head gasket may have issues now to. Leak down test would answer that question.