Question about 1990 Ford Tempo

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Heater coil has bad leak,fogs up window,leaks in floor,i just want to know how to find hoses and connect them,have to go to work in morning,need temporary fix

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There will be 2 hoses going through the firewall. Follow them to the motor, and pick one that will be long enough to disconnect from the firewall, and then hook it to where the other hose is on the engine. You cannot block the flow, but you can bypass the heater core.

Posted on Oct 04, 2010


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Could a bad thermostat make antifreeze leak onto drivers side floor?

Not the thermostat, that is on the engine. You must have a leaking heater core- this is the small metal thing, looks like a book-sized radiator. It fits inside your heater case and is what gives you warm air from the heater. Your only recourse is to remove and replace the heater core. On older cars, this was not a big deal- the heater cores were fairly accessible under the dash. Newer cars, it's not so easy-so much stuff in the way, in many cases, the entire dash must be removed to get to the heater core. You might get lucky and it will be a simple job.
If you need to drive the car before you fix the leak, you can bypass the core by splicing your two heater hoses together. You won't have heater or defrost then, too bad it has to happen during the winter, but that is the only way to safely use the car until the leak is stopped. Don't trust Bar's leak or similar coolant sealers: Your leak is probably too big for them to work on, and those sealers often cause more problems than help.

Mar 05, 2017 | Cars & Trucks

1 Answer

Antifreeze on the inside of car on driver side floor mat left car running and when I came back windows was fogged

antifreeze/water mix leaking in defroster/ "heater coil, fog may vapor from that, or reduced heat on window. it's a job for radiator pro. Once I tried radiator leak sealant which clogged my water pump and put more holes in the system. Another car another time responded well to the treatment but only briefly delayed the inevitable repair

Dec 26, 2016 | Cars & Trucks

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What are symptoms of hearing core going bad?

LEAKING on passenger floor plugged up as in no heat.

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1 Answer

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It will be the heater core. If you can smell it inside the car and it's steaming up the windows the core will need to be replaced. Remove the heater core housing and check to make sure its leaking from the core itself. You might get lucky and have a leak from the hoses running to core instead. Hope that helped.

Nov 17, 2011 | 1994 Chevrolet Caprice Classic

1 Answer

Vapor comeing out of vents with heater turned off. smells like coolant not leaking on floor and not fogging windows up like when my heater core went bad 3 years ago and had it replaced.

Sounds like you have a small leak in the heater core. this is a small radiator that fits in the heating system to provide the heat in winter. It is an extension of the cooling system and therefore has antifreeze in the core. You may just have a hose leaking a tiny bit around the connetion.

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You will also smell antifreeze/Prestone Sweet smell if the heater core is leaking and the windshield will steam up in cold winter not to mention the obvious coolant loss. i would think if it's water, unless you are using water in the cooling system, then it could be caused by the AC when it's on. This is normal for the hoses to have moisture on them and you will see it on the ground underneath the car when the AC is running.

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Is it the heater core

you more than likely have two problems. first the heater core then either the heater hose or the clamp is bad

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1 Answer

Heater Coil Leak

Hey mad40bx that will be your heater core,,just pick up a new one and grab a haynes or chilton manual for your truck if you are not familiar with the procedure its not that bad, if you dont need it fixed immediately take the 2 hoses off from the firewall (One is supply and one return) and couple them together this will bypass the heater core until you are ready to fix it, good luck

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