Mechanicboy
Dedicated LVC Member
At first I thought I had a blown head gasket because a 1996 mark I bought was losing coolant and would start to overheat right after I bought it. In diagnosing I noticed that if I let it idle it will start to continuously bubble out the degas tank around 204* coolant temp according to the computer and that the fan wasn't turning on. I should point out that there was no noticeable coolant smell so i believe it to be 100% water in the cooling system. I know that fan works because if I turn on the a/c it comes on. So I experimented and found that if I leave the a/c on while it's warming up the coolant temps stay below 190* and the coolant never bubbles out.
Now my question is what temperature is the fan supposed to come on and do you guys agree that it's most likely just water boiling and not a blown head gasket?
Now my question is what temperature is the fan supposed to come on and do you guys agree that it's most likely just water boiling and not a blown head gasket?