I have found water in my 1998 Escort heater/air conditioning system. Have drain water and replaced ressitor. Can hear water in system when I go around a corner. Any ideas how it got there and how can I keep it out?
We found the problem. The AC conditioner drain was plugged. So condensation was collecting in the system. I drilled a small hole into the drain just under the passenger side where you can see where the drain is. When I pulled the drill out I collected around 48 oz. of water. Yes, four beer cans of liquid. I couldn't believe it! I then pushed a small flexible wire through the hole and down the drain until the wire came out of the firewall. I worked the wire around a couple of times until I saw water on the ground. Now when we park the car we can see water draining out of the AC/heating drain.
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Re: Water in the Heater system
Do you have a drain plugged outside under hood on firewall. Looks like a rubber elbow or similar. Gently poke something inside, not too sharp or far to clean out. If all else fails try a little compressed air to dislodge.
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Sounds like the drain line from the heater/air conditioning box. There is a drip pan inside the heater box to catch condensation from the A/C coil. Normally, only water comes out of there, but, if the heater core springs a leak (and they do), then the tray catches the coolant and diverts it outside the car. You'll need to confirm the heater core is leaking and if so, replace the heater core. Not a fun job on many cars.....
Water pump. First make sure you have enough coolant and the reservoir system isn't leaking(or any leaks). Fords are hard to get air out of the system. I always over fill Fords because of air. It will usually purge out in a couple days. only getting warm at idle and hot going down the road is a water pump or something is still clogged up. IE.. heater core.
It sounds like it is low on coolant. Maybe try taking a heater hose off to let air out as you add coolant. This is just a guess, not a surefire remedy. I know dodge trucks have to be blead to let the air out of the cooling system, haven't heard of it on your vehicle. But heck, it cost's nothing to try it. If it doesn't, you may need to replace the water pump. It may be wore out and only pumping enough water when the engine is revved up. That is most likely it.
Sounds like you may have water leaking out of your heater core.
This will cause an overheat condition, which you get because your engine cooling system can't pressure up as well.
You may also notice a kind of "sweet" smell to the air that comes from the air vents that blow when A/C or heater is on.
As water leaks into the A/C & Heater core compartment area...it trickles to the overflow drainhose on the firewall. This is usually intended for the condensation of the A/C core but a leaking heater core will drain that way too.
From what I hear, I'd see about disconnecting the heater core hoses going into the firewall and maybe use a splice to connect them to each other OR get a two 5/8 bolts and a couple clamps and plug the hoses.
This allows you to drive car without overheating and buys some time to get you another heater core (basically a "mini-radiator") Its summer, so you don't need the heater right now but keep in mind...you won't have a heater until the core gets replaced.
Is it antifreeze, or water? If you have been using your air conditioning, it could be condensation running in because the drain is plugged. Check it closely before you rip out your heater core, because, yes, sometimes that can be a big job.