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Airflow or radiator problem?

J57ltr said:
If the hose is sucked in then it's under vacuum and about to start pulling through the overflow if the rad cap is working correctly. By opening the bleeder when you did you allowed air into the system then after the air comes in then coolant will come out a little bit.

open the bleeder either right after startup cold, or after the engine is warm. Then of no air comes out when it's warm leave it be.

Jeff
Click to expand...

That makes sense. I'll let it cool down completely and start from the beginning. I found a write-up in the tech tips.
 


Well if you go get it up to temp and then Beat on it for a few minutes, stop and go type driving with a few to freeway speed pulls then directly back home and let it set for at least an hour. Then use the fan to get it to cool it down quicker do not let the overflow go empty, cannot stress this enough.

Jeff
 
Problem seems to be solved. Definitely an airflow problem. I went digging around looking for phantom leaks that might be introducing air into the system and found the front of the radiator caked with a 1/2" of crud. A good pressure washing and the car barely tops 185 in 100 degree temps and stop and go traffic. AC seems to be running a couple of degrees cooler as well. Fingers cross it was that easy.
 
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