hey guys,

Im having some radiator prroblems. i do not know if it is my cap or thermostat. So two days ago i overheated for the first time on my way to work, i got to work just as my check gauges light came on i worked my shift and after i walked to walmart got coolant filled my radiator and was good to go. Did not overheat at all home or the day after of today. but i did notice my lower radiator hose was sucked flat. the upper was ok though. i pulled of my radiator cap and it went back to normal. today i did not over heat but when i got home i did notice some coolant being pushed out of my radiator cap. do i need a new cap or is it my thermostat?