So, I've been trying to troubleshoot my cooling system, and to be honest, the system hasn't worked well since I got it, and I've had it for about 7 months. It worked better right after installing the new water pump, but never well.
I have replaced the water pump, upper and lower hose, thermostat, temp sensor, radiator cap, flushed the system multiple times (some dirt and rust, but not enough to believe that is it.
primary issue now is it is not pulling coolant back in from the reservoir. It can idle indefinitely, drive for 30 miles or so before the reservoir is overflowing and it starts to get hot.
i had bubbles when running the system open and in the reservoir when I ran the system closed. Attempted bars leak yesterday, still hasn't sealed (if I am right and it's a leak in the head/gasket.). There are other things that can cause bubbles, but I am not certain of anything at this point. Any advice on what to try next?
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