How do you burb cooling system in 01deville
01 deville runs hot ...1.no smoke 2. Oil good
3.engine smooth 4. No leaks... What could
be my problem? If air what the process?
Make sure the thermostat is good, a stuck thermostat would make the engine over heat. To purge out the cooling system watch this video... www.youtube.com/watch?v=xeTgmdRkQtY
Test the coolant for exhaust gases. If you have the Northstar engine, they all blow head gaskets. Sooner or later. HTH. -Jim
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