i have a 1993 honda accord 10th anni. i began to hear a slight knocking in the engine which goes away once the car warms up.it started over heating a week or two later. i noticed coolant being blown back into the resevoir tank which makes a loud bubbling sound. when i opened the radiator it was totally rusted. i took out the thermostat to see if that was the problem, but it overheatd juss the same. i then replaced the thermostat and the radiator(using a 50/50 coolant/water). it ran fine for a day or 2 then started the overheating again and i cant recall hearing the cooling fans tripping in either. the knocking sound, seems to be getting louder. is the cooling system blocked or (i fear) do i have a blown head gasket/cracked head?
Aug 19, 2009 at 5:34 AM