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If you have a blockage, which is highly unlikely, use a heater hose pipe connected to a hose pipe to flush the cooling system. I reckon there is either a large air bubble or the water pump is not working properly.
check top radiator hose goes to thermostat housing sound like its leaking if your engine leaking from left driver side on top of engine it has to be top radiator thermostat hose leaking.wait until engine cool down replace top radiator hose see if coolant leaking still occur if so you could have radiator leak.
try the thermostat, located on the top radiator hose. top side of engine. also does it steam?? does it lose water but no leak, does the heat blow hot? if your heat isnt hot and it steams and loses water you may have a cracked head or head gasket. if you have heat, doesnt lose water and doesnt steam it may also be your water pump. most pumps will leak visibly from the weep hole when running
Well, your vehicle is overheating. Are either of the electric fans running when the vehicle is turned on? Are you leaking any coolant around the water pump? When the vehicle is cooled off, feel of your main radiator hoses, the top one should be soft and pliable and the bottom one should be more rigid. It should feel like it has ribs in it. If it feels like the "ribs" in the bottom radiator hose are flattened and not round then you need to replace it. Also check the water level in the radiator when the vehicle is cooled off completely. You may just be really low on water. The overflow tank is only accurate when the radiator is full and working properly. Does the water blow out the overflow violently or just steam. If it is boiling out violently then you most likely have a bad head gasket. Check the exhaust when it is running and see if it is dripping water or releasing a lot of water vapor. If either is yes than you probably need head gaskets. Start with the easy problems and work your way up. Check every heater and water hose on the vehicle for leaks. Also take a flashlight and look all around the engine for steam after it has started overheating ( shut the car off first so you can hear the leaks and find them easier.). Don't take too long running it hot. It is mostly an aluminum engine and you can do major damage overheating it too much.
Your overflow hose is at the first tier after the seal on the radiator cap. The first thing I would check is the cap gasket, then make sure the cap is completely installed, push down hard and turn until it locks into position. If your water pump was bad, you would either be leaking water from the pump, or your car would be running hot. Usually, when you have steam/water coming out the overflow, if it is not a problem with the cap, then you are indeed running hot. If the thermostat is not opening or is stuck in the closed positiion, it will not cause your radiator to overflow, however if it is sticking closed and allowing your car to overheat then opening at a higher pressure, it could happen. Check the components in this order, gasket, cap installation, then thermostat, (you can replace the thermostat for about 10 dollars. Good luck
have u replaced the radiator and hoses? Thermostat could also be stuck open. Water pump could also be your issue. with motor cool and of remove radiator cap(cap may be bad as well) top-off fluid and start car check for fluid flow with flashlight. Water pumps typically leak from what is called a weep hole when the shaft seal fails. Yours will be located under the timing cover (drivers side) running of the timing belt.
Hit me up after u have check on these.
Check the following while running the engine, with coolant topped up:
The plastic reservoir bottle could be cracked check for leaks.
One or more of the hose-clamps aren't sealing well enough.Re-tighten or replace.
The radiator cap seal is torn or broken this would be obvious by steam and/or sputtering water at cap level.Replace cap.
The radiator might have sprung a leak or rusted through.Repair or replace radiator.
The cooling hoses may have perished.Replace.
Check around the water pump as one of it's seals or bearings me be worn out.Repair or replace.
Hope that helps! Good luck!
Fill the radiator completely with coolant mixture. Let the engine warm up 10 to 15 mins. Is the upper radiator hose warm? If yes, then the water pump and thermostat are good. If all this works, then the leak is somewhere else. Hope this helps.