Question about 1988 Jeep Wrangler

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Steam coming out of the heater wents

Also water and steam coming out of a hose on the firewall - passenger side.

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  • Roberta Smith
    Roberta Smith May 11, 2010

    leaking heater core likely.... but fix the hose first to check and see if it's just that

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Heater core or heater core hose needs replacing

Posted on Jan 30, 2009

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2 Answers

RAIN leaks onto passenger side floor... definitely NOT the heater core or windshield.


Year make and model? Some Gm's have a rubber seal that mounts to the body under the windshield cowling. It falls off letting water in threw the air vent/ filter. Silicone it back on.

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My 1998 Crown Victoria had steamed the passenger side windshield, digital thermostat never indicated that the engine was hot, i smell antifreeze, water leaking inside passenger side by glove box and a


It sure sounds like the heater core, especially if you have water leaking inside the cabin. The two heater hoses only go from the engine to the firewall, and do not go into or through the firewall. They connect to the heater core right at the firewall.
Check carefully around the back side of the engine and the heater hoses, though. If a freeze plug is leaking, water will be dripping off the bottom of the engine. If it is leaking before the firewall, that would not be the heater core.

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What exactly is the "round


that is where your heater core is. Its leaking, or the feed hose to the heater core is leaking. You really need to pull the plastic cover off, just below the dash on the passenger side to look. the heater core looks like a small radiator. If coolant is leaking out of it, replace it. the coolant will cause problems in the long run, if you don't fix it now. After fixing it, steam clean the passenger side of the suv, to stop having a smell, and stop the corrosion. hope this helps

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1 Answer

Where is Heater Hose


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Water leading into car between the firewall and carpet. Both sides get wet when it rains, water appears to be between the firewall and the firewall carpet as the firewall carpet does not get wet but the...


Your car probably has AC so the box under the hood has a drain for removed moisture and this can often clog with environmental debris; when that happens, the water can't drain any more and may end up inside the car.

Oct 10, 2009 | 1996 Oldsmobile LSS

1 Answer

Water coming in to front passenger floor when it rains


The heater/airconditioner box under the dash has a drain hose to allow condensation to drain when the air conditioner is running. If this hose gets plugged, rain may accumulate in this box also (if it's raining heavily), as it comes in through the fresh air intake.

Look on the engine side of the firewall, probably on the passenger side, for a hose coming through the firewall that is not connected to anything. It is usually short, has a 90 degree bend, and the open end is down. Make sure that the end of this hose is not plugged.

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Water leaking passenger side when air con is on


hi i am not a deawoo expert but i know when you start to get coolant in the car on the floor your heater core is no good.and the hoses will go into the firewall on the passenger side under the windshield

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Water coming from somewhere on passenger side floor


Your definitley on the right track,it maybe the actual heater as most heater hoses end at the firewall so the leak must be on the inside of the firewall. If you cant spot the leak from the engine bay side you may have to remove the dash, hope this helps.

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96 thunder bird overheating


Sounds like the heater core (a small radiator of sorts under the dash) is leaking or a hose going to it is leaking. If in a warm climate, you could bypass or block the heater hoses temporarily. Their only purpose is to make heat avail to interior of car. The 2 heater hoses either connect to feedthru's at the firewall or simply pass thru the firewall to the heater core. Every car I've seen has it on passenger side.

Peer up under the dash, it should be clear where it's coming from.

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1 Answer

Antifreeze leaking into car through heater.


yes its your heater core. it went bad and needs to be replaced. it is housed underneath the dash

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