Here are some causes of pressure and air buildup in the cooling system: 1. System not properly "Bleeded" 2. Cracks in the overflow tank Signs of air buildup, and and pressure: 1. Bulges in the "Hoses" 2. "Bubbling" at the hose connections
If there is air in you system will it over heat i have a overheating issue 2010 subaru legacy new thermostat and rad cap. Still over heating im praying its not head gadjet ill be done. Fan appear to be working heater working i winder if it coukd be a faukty coolant temp sensor.s.o.s.
