YES - BY back flushing the heater core-same as back flushing the engine block-just use a garden hose.
Usually 'Stop Leak' will not clog the core. Try flushing the cooling system out first.
Note: The hot water goes in and the cooler water comes out. Flush the core going the other way so to clear any obstructions. If there is a clog, it might be something larger like bits of hose or corrosion. If the core is totally clogged, take it out and replace it with a new one. The amount of time you will spend doing this does not warrant using an old or used core.
If it is water you have a plugged condensation drain line that needs to be cleaned out. If it is engine coolant you have a leaky heater core that needs to be replaced.
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.
the heater core could be clogged with rust or stop leak . or u don't have enough hot water flow through the heater core . under the hood on most cars on the heater hose is a off/ on valve to control the flow of hot water...anti-freeze...to the heater core.....R
caused by leaking heater core not radiator heater it is under the dash hard ot get to if the leak is not to big use radiator stop leak otherwise fix is going to be big bucks
Be careful - some of these products can plug the 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.
Are you sure it is a antifreeze leak? If so ,stop leak will not help heater core leaks.But make sure that is the problem.
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.
It is inside the heating A/C housing. The dash has to come out to get to it. A very involved repair. Even the most experienced master mechanics cringe at having to do a heater core repair. I would suggest putting some aluminum stop leak in the radiator. It will stop the leak in the heater core and will save you the grief of pulling the dash out.
It should work assuming the leak isn't too big. Try it you have nothing to loose.
You would pour it in the radiator. Caution, stop leaks usually clogs heater cores.
Yes, A bad thermostat can keep the hot coolant from reaching the heater core... also, low coolant levels or a clogged heater core can make your heat stop working.
The leak is probably caused by a faulty heater core. The heater core will have to be replaced. In an emergency, the hoses can be pulled off at the firewall from inside the engine compartment and spliced.
You can try Stop Leak, in an emergency. The only real repair is replacement.
Yes you can but that is a temporary fix. Some stop leak brands do more damage than good by plugging up everything else like the radiator for example. I recommend "Barr's" brand stop leak if you are going to use one.
Repairing the leak depends on where it is. A stop leak additive may help for a while, but use care as some additives can cause the heater core to clog up.
you most likely need a new heater core or it maybe the heater hoses that go to it are leaking.
In many cases, yes. One of the many radiator "stop-leak" products, put into the radiator will normally do the job.Follow the manufacturer's instructions and add the stop-leak product, turn the heater on and set it to it's hottest of settings. Doing so will open the heater control valve, allow the maximum amount of radiator water to reach the heater coreand let the stop-leak product to do its work.The way most of these products work is, they cool and solidify when they reach the leak and are suddenly exposed to cooler air. Just don't forget to turn the heater on- if the control valve won't allow the heated radiator contents to get to the heater core, it won't do any good.Stop leak products sometimes do more harm than good. They can clog thermostats or reduce efficiency of radiator by reducing heat transfer ability. A quick fix is bypassing. Simply connect the two hoses together.
have your radiator cleaned and replace your thermostate, clogged radiators and sticky thermostats can cause your engine to overheat under load.
Repair the pipe of fixture to stop your leak.
The leak may be from clogged Sunroof drains. Others have said that you can use compressed air to clear the lines to have them drain properly.
No, it is not bad for your car; most stop leak also includes anti rusting or lubricating agents; but it is also not designed to be a permanent fix. If you need stop leak for either your coolant or oil system, there is obviously some other problem that needs attention, (gaskets/seals) and really should be taken care of within a few months time, even if the stop leak cures the problem. In some cases, the size of the original leak may have a lot to do with the course of action on the repair. In coolant systems, a small leak MIGHT be repaired permanently with a stop leak that contains what looks like tiny balls of solder. Yes, it can be. Radiator stop leak can plug the passages in the radiator, heater core, or engine block.
To stop the black residue from a baseboard heater, the wall around and near the heater should be cleaned as there are dust particles attached to the wall. This is called ghosting which fine particles of soot attach to the wall that is cooler than the temperature.
possibly clogged heater core, remove heater core hoses and flush with a hose until clean. reinstall hoses fill with coolant and let it run. if heater core is too plugged up you will have to replace it.