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Stop leak will generally plug up holes u want plugged, but they will also plug up holes u don't want plugged. Better to fix the heater core.

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20y ago

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How can I effectively stop a water heater leak?

To effectively stop a water heater leak, first turn off the power or gas supply to the water heater. Next, shut off the water supply to the heater. Locate the source of the leak and determine if it can be repaired or if the water heater needs to be replaced. If the leak can be repaired, use a pipe repair kit or replace the faulty part. If the leak is severe, it may be necessary to replace the water heater. It is recommended to consult a professional plumber for assistance with repairing or replacing the water heater.


Will stop leak work on a heater core or how do you change one in a 1990 corvette?

It should work assuming the leak isn't too big. Try it you have nothing to loose.


Will stop leak plug the heater core on a Chrysler Sebring?

It can.


Is there a stop leak for gas lines?

Replace the line that is leaking, and do not try any stop leak.


How do you fix your oil leak 1990 dodge spirit?

use leak stop or something. Where is your oil leak?


How do you stop an oil leak?

Most stop leak additives do nothing but empty your wallet. Replace the gasket that is leaking.


How do you stop antifreeze from leaking inside my 1997 S10 Chevy truck?

If coolant is leaking inside your cabin, you have a leak in the heater core. The only repair is to replace the heater core. Most auto parts stores sell them.


How do you fix a leaking heater core?

There really is no way except to replace the core. In the old days you could pull the core and have it soldered up at a radiator shop, but most modern heater cores are aluminum and plastic. You can try stop leak but i have had very poor results using stop leak in heater cores.


Can a head gasket leak be patched effectively?

The only way to fix it is to replace it and check the head at a machone shop. You only patch an engine to get you home or to a shop to get it repaired. Stop leak may damage radiators,thermostats and heater cores.


Where does water in the passenger compartment come from?

your heater core is leaking coolant Uh oh. DO NOT USE "stop leak". Just replace the heater core. It will cost ~$500US to get a mechanic to do it, or $20 for the core and 20 hours of your own time if you do it yourself.


Anti freeze leaking into the car?

generally if anti freeze is leaking into car this indicates that the heater core is worn out and has a hole you need to replace heater core ,or lift the hood and disconect the heater hoses join the hoses together with small pipe and 2 hose clamps and the leak will stop But the heater will not work


How do you know if your heater core needs to be replaced?

That's an easy question. You replace it when it's leaking all over the inside of you truck and radiator "leak stop" wont seal the leak. As long as it's not leaking you don't need a new one.