2004 Dodge Durango 5.7L HEMI Overheating. Why?

J S

New member
I have a 2004 Durango of course with the HEMI. It has 64,xxx Miles. Ran good untill it started to overheat. Replaced the thermostat, didnt work. Water pump is also good. What happens is when I fill my radiator, there will be endless amount of air bubbles. That tells me that I have a leak in my intake which is causing air to not stop come through. As I drive, the radiator fluid will begin to overflow out of the cap. Which again is caused from air leaking from the intake to continuiosly push the fluid out of the radiator. Can someone please help me figure this out! My next step is to check the compression of the cylinders. My truck always overheats, no matter what temp it is, and when I fill the radiator, it just pours back out after like 30min of driving. PLEASE HELP!!!!
I pressure checked the radiator cap, and the cap is holding. Also, I taken out the thermostat and left it out for now, this way it will not overheat as quick. And I have ran the motor for around 15-20min purgeing the air out of the system and like I said, air bubbles are just non-stop.
 
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