Not much information to go on! If it is a very slight weep, or only slightly losing coolant within the engine, try using a 'Radiator Sealant'. There are several types, quite cheap to buy. This is a product that usually suspends minute pieces of cork (or similar) in a viscous liquid. You pour it into your radiator expansion tank; top up with coolant and then, fingers crossed, it will seal the leak if small enough. These products also normally lubricate the water pump too. If this remedy doesn't work, more analysis of just where and of what type the leak is, will be needed.
Pressure test the system and repair the leak. Do not use a stop leak.
Yes. If a water pump is leaking, it leaks anti freeze. Anti freeze, (coolant) can also leak from the radiator, or from water hoses.
radiator leak. try adding " leak stop"
On most vehicles, yes.
means you have a leak some where pressurizing the system will tell you where the leak is
Failed gasket, seal, hose, freeze plug, radiator.......
anti-freeze (coolant) leek
head gasket leak right front of engine it leaks outside should see trace of anti freeze
Check out the water pump or heater core where does it leak? DB
sounds like a leak at the heater core.
It doesn't mend the pipe. The pipe will still have a leak. However, you can use liquid nitrogen to freeze the water in a pipe and create a 'freeze block' which will prevent more liquid from getting to the leak. Once the freeze block is in place, it is much easier to repair the pipe leak.
Your engine will overheat, rapidly if they have 'popped out' (on any vehicle, incidentally) because all the anti-freeze will leak out.