Cooling system noise
#1
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Cooling system noise
Hi guys, i have a 1990 fiesta rs turbo, when the engine is at normal running temp and is switched off there is a bubbling noise coming from the top hose and you can feel the coolant passing through it. I've carried out a headgasket check and it came back as all o.k, i have also pressure tested the cooling sytem and found no leaks.
Any ideas or suggestions would be much appreciated
Many thanks Tom
Any ideas or suggestions would be much appreciated
Many thanks Tom
#2
when my erst was doing this i tryed bleeding it countless times with no luck then someone said to me to change the thermostat and expansion tank cap and it worked on mine dont now if its the same on frst they said its getting air into the cooling system hope this is a help to you
#4
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It is not getting air into the system but losing pressure, and this lowers the boiling point of the water, so it causes localised boiling, and the pipes go hard as it does.
tabetha
tabetha
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