Quote:
Originally Posted by Andrei
Hello everyone
I have pressure in the cooling system, the fluid is going to the Coolant Overflow Tank, It will fill up fast and spit the water outside.
I have a brand new koyorad radiator, changed to a new thermostat, even tried a 1.3 bar cap (Check my cap also and its fine).
I was sure that the head gasket is leaking but I did the leak block test (with the blue water) and its fine (doesn't turn yellow)
(the car doesn't overheat, only after it spitting enough water)
now i'm stuck and don't know what to do, I don't want to take down the engine if I'm not sure that is a head gasket failure.
someone have a clue what can it be? or how to check from here
Thanks
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Did you bleed it from the bleed screw on the heater elbow? The engine is so low compared to the heater that it won't circulate if you've got an air pocket there, and guess what opens the thermostat.
Yup, the heater bypass.
Unless you've got the overflow filled to the brim, I'd be surprised if this was an overfilled situation. Fill it to the FULL mark on the reservoir and up to the overflow port on the rad. If you've got the classic "Yellow Funnel" to fill up the rad that's OK, bleed it while it runs with the heater bleed screen and the funnel on it. If you can use a vacuum filler that's the best way to go.