Question about 1997 Ford Expedition

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Coolant leak for awhile we had a coolant smell in the truck. now it appears that there is coolant leaking from a tube in the fire wall. could the heater core be bad?

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   Yes it is the heater core. Major job to tackle.

Posted on Nov 11, 2008


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Smell antifreeze

Sounds as if your heater core is leaking or you have a leak in the heater fluid hoses. need to check the hoses by the fire wall to see if you see any liquid staining. Also check the floor board inside to see if there is any moisture there. But for all accounts it sounds like a heater core or hose leaking problem.

Jan 11, 2014 | Dodge Caravan Cars & Trucks

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Had water pump and thermostat replaced and now i smell coolant thru my air cond, defrost, and heater. since the repair my engine now runs hotter then it did before the repair. the reason for the repair was...

They shop should have replaced the heater core or hoses going to it, or at least told you so you could make the decision When it leaked from the fire wall, this is the first thing I would have gone after. You can bypass the heater core, but winter is coming on. Let me know Randy.

Aug 30, 2011 | 1995 Buick Roadmaster

1 Answer

Car is leaking coolant from a rubber L shape pipe coming out of the fire wall

The L shaped pipe you are talking about is the drain tube to your heater box for the airconditioning. In the same box is the heater core that carries antifreeze for the heater. If there is coolant leaking from the drain then the heater core is leaking and needs to be changed.

Oct 27, 2010 | 1998 Chevrolet Cavalier

1 Answer

Hey I have what looks like to be radiator fluid coming out of my heater floor vents but i am not sure if it is that or Freon? Any idea what could be wrong?

If it is cool clear water and does not smell like coolant then it is the drain tube plugged up for the AC evaporater/core codensation, and it drains out towards the bottom of the passenger side fire-wall and the drain tube is easily visible from under the vehicle.

It is a normal condition for the AC to produce condensation if the AC is functioning properly.

If it is warm or hot coolant, and it smells like coolant, then the heater core is leaking, and the cooling system should be getting low, and the engine should be running hot.

Jun 12, 2010 | 1998 GMC Sierra

3 Answers

Smoke is coming out of my vents

You have a leaking heater core. Leaking antifreeze into the heater case. Soon you will have a puddle on the passengers side floor.

Feb 27, 2010 | 1988 Ford F 150

1 Answer

Leaking heater corehow do I replace?

drain out your fluid
2.near the fire wall in engine, loosen clamps and remove heater hoses from th tubes running to the core.
3. remove dash panel on inside of car(passenger side)
4. remove the duct/vent from core.
5. remove cover(screwsand clips)
6. remove core retaining straps and pull out core.
installion is reverse and watch you dont loose too much coolant on your floor. Replace and fill coolant. run your heater to make sure you have no leaks

Dec 18, 2009 | 2003 Buick Century

1 Answer

I have a problem with my fire wall leaking coolant, it seems to be comming out of one of the hoses that lead to the heater core.but i have no loss of heat and i cant smell anything from the vents.and i was...

Do you have coolant on the front passenger floor board? When heater cores fail it will leak onto the floor board and mist coolant on the windshield. If you have a loose clamp on the heater core hose it's possible it could be leaking down the firewall into the passenger compartment. If you don't have coolant on the windshield check the clamps / hoses first.

Nov 16, 2009 | 1996 Buick Skylark

1 Answer


pipe going to the fire wall is usualy the cabin heater. for the time being there should be 2 hoses going to the fire wall coolant in/out. remove them from the pipe on the fire wall and blank them off or if the hose is split replace them. it could be the heater core but that usualy leaks into the cab.

Jul 15, 2008 | 2002 Ford Taurus

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