I have a 93 intrepid 3.3L, I have replaced the radiator, thermostat, and water pump and I can't seem to get all the air out of the system. I have bled it SO many times. every time I get it to running temp, I can turn off the engine and open the bleed screw and there's air EVERY time!! Please help, what could be letting air into my system?

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Brian Monetti, I restore Camaros

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Also, I have never tried it, but a dye like this could help if the fluid is slightly leaking and letting air in at the same time: http://www.acdelco.com/parts/vehicle-maintenance/mechanical-repair/coolant-system-fluorescent-tracer-dye/

Brian Monetti, I restore Camaros

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Its got to be leaking somewhere. One trick I use is to put soapy water into a spray bottle and get all the joints/etc wet where I think it might be leaking. You will see bubbles develop if thats the spot. You should try this as it is heating up and also as it is cooling, because it might only leak during one of those two situations.

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