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Answered 2005-01-16 04:42:24

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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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.

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.

Is there a stop leak for gas lines?

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

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It can.

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You need to find the leak to be able to stop it. Check all of the hoses and the engine around the gaskets, as well as the heater core to find the leak.

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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.

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.

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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.

I have a slow leak in the radiator of my 99 Volkswagen Jetta Can I use a stop leak product?

Be careful - some of these products can plug the heater core

Is it a good idea to use oil stop leak additive to stop oil leak from intake manifold gasket?

I wouldn't recommend it. Replace the gasket.

You have water dripping from under the dash board passenger side?

Either the windshield is leaking, or your heater core is leaking. Usually people can smell anti freeze if it is the heater core. thanks,can it be fixed by a substance like radweld to stop the leak or do you replace it.

Will prestone stop leak work in a 94 bretta with a v6 small leak steaming up windshield on drivers side only thanks bobp?

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Where do you add radiator Stop Leak to a 1996 Oldsmobile Achieva?

I have used radiator stop leak before in my 1996 Olds Achieva SC with the V6. I put it directly into the coolant resovor. It went in fine for me. This did not give me much help though. I would not recommend using stop leak. It will clog your heater core and then you will have more than the radiator as your problem. Fine a new radiator and replace it that is the best advidce i can give you.

How do you stop the water leaking from under the dashboard?

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you need to replace your heater core.

How do i stop a power steering leak?

try using power sterring stop leak, if they doesnt work, find out what is leaking, and replace the worn hose or broken seal

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Could be a vacuum leak. Check the PCV pipe and replace any air hoses.

On a 1991 Ford Aerostar with Dual Heat why would you have water running on the ground on the passenger side?

This is an indication that your heater core is leaking. To stop the leaking you will have to replace the heater core or stop using your heater.

My truck is leaking green oily liquid onto my passenger side floorboard I've read that it might by coming from my heater core How world I fix this?

Yes, the leak definitely sounds like a leaking heater core. Sometimes they are easy to replace, and sometimes they are difficult. You can try some radiator stop leak in the radiator but most of the time they have to be replaced. If you do it yourself, get a good repair manual from an auto parts store. It will have the instructions on how to replace it.

How do stop antifreeze from blowing on the inside of windshield?

Sounds like heater core is leaking, replace heater core or bypass