Need help ASAP, Radiator keeps spitting coolant out of the overflow.. Options

[96celica25thann]

Hello- I may have an air pocket in the system not sure but,Ive tried bleeding the system by squeezing both the top and bottom radiator hoses, letting the car run and been adding coolant with the cap off, but it keeps spitting hott coolant out the radiator but when the caps on it spits it out the overflow..any of you have any input would be a big help..i think it may be the radiator cap bc its ac cheap one from an advanced auto, anyone think i should just go to toyota and get an oem one any help appreciated..

[Galcobar]

The overflow's there for when the heat of the engine causes the coolant to expand; expansion means the same amount of coolant requires more volume.

There should be coolant in the overflow tank when the engine is hot. If there's not, then you don't have enough coolant in your system.

If you're saying the coolant is spitting to describe how it's coming out -- as in sharp bursts -- that would suggest you're getting bubbles out of the system. You should also be aware the cap is a pressure valve, allowing coolant out of the radiator when the expansion creates higher pressure. The valve will allow fluid out until the excess pressure is drained off, at which point it snaps shut again.

[Bitter]

try replacing the cap

[96celica25thann]

The overflow's there for when the heat of the engine causes the coolant to expand; expansion means the same amount of coolant requires more volume.

There should be coolant in the overflow tank when the engine is hot. If there's not, then you don't have enough coolant in your system.

If you're saying the coolant is spitting to describe how it's coming out -- as in sharp bursts -- that would suggest you're getting bubbles out of the system. You should also be aware the cap is a pressure valve, allowing coolant out of the radiator when the expansion creates higher pressure. The valve will allow fluid out until the excess pressure is drained off, at which point it snaps shut again.

..so do you think theres air still in the system? or is there another problem? im gonna try to replace the cap to see if that fixes the prob..hopefully it does im thinking i have air still in the system but ive tried bleeding the system by letting the car run and adding coolant when it sucks more in when needed..ill let ya know thanks for the help..