overheating why oh why

[nwa562]

i just got fixing a relay problem car runs now but it still over heats why or what can this be i check the thermostat fan and pump. i do need to get a new radiator cap it leaks a drop or two. today i check the thermostat and ran it with out on also. the fan works the pump also seems to be circulating fine. one problem doe when i tried to bleed the system i wasn't able to no air or coolant comes out nothing. i kknow it should leak if its open but mine seemd dried when i took the nut and checked it. wht do yall think this can be

 

[nwa562]

feel free to text me your opinion to 562-338-7419

 

[Prozon]

Could be the water pump.

 

[nuenjin]

You might need to add coolant so the bleeding process will make more sense.

 

[nwa562]

pumps find i tryed to bleed them but that bolt seems drie i try it all whts newxt

 

[Gs-Rvtec]

thermostat is staying closed.

 

[jdmjim]

when does it overheat,sitting or driving? and how fast?