Question about 1996 Ford F150 Regular Cab

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96 f-150 extended cab lariat heater core

How do i get to and replace the heater core? I can't find a leak on the inside, but when i cut the heat on it blows smoke and fogs up the windows. thanks, charles

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Open the glove box and bend the 2 tabs and fold the glove box door down, you will then see a plate with 6 to 8 screws, remove the plate, drain the cooling system, remove the heater hoses and pull the heater core out, reverse procedure to put back together

Posted on Dec 02, 2008


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2 Answers

On a 2000 jeep grand cherokee what does it mean if the heater smokes, smells like antifreeze and window fogs up when heater is on?

It is not smoke though it appears so. It is thick heavy steam from a coolant leak in your heater core in the cabin area. It will smell very sweet if it is a typical glycol based antifreeze, and the windows will fog up as the hot coolant enters the cabin area of the vehicle. Primarily on the inside of the windshield. The cure is that your going to have to replace the heater core as it is leaking. Do this soon because if it ruptures completely you will have a major mess on the floorboard of your vehicle. Coolant is also poisonous to humans and animals if ingested. The heater core will be a little pricey as will the labor to replace it. Good luck. I guarantee you it is the heater core leaking.

May 18, 2012 | 2000 Jeep Grand Cherokee

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1994 Caprice LS. Little to NO heat.

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

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Neither my heat or a/c works and when I try to defrost my windows they just fog up is the accumulator / drier need replaced?

does the air temp change when you try to blow ac and or heat?? if it does change from cold to hot at your discretion and it is still fogging up you may have a leaking heater core and in which cases the "fog" you see on the windshield is actually antifreeze blowing onto the glass from the leaking heater core.

Sep 09, 2011 | 2000 Jeep Grand Cherokee

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My 2000 gmc truck is leaking water from the heater and vapor enters the cab through the air vents

your heater core is leaking in to the need to change the heater core

Sep 07, 2011 | 2000 GMC Sonoma Extended Cab

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I have a wet floor on the passenger side. I had the heating system checked and was told the coils were fine. What is the cause of the leakage into the cab of my truck? It's a 1998 Ford F-150 Lariat...

It can only be one of 3 things

heater core leaking. Sweet smell an dfilm on windshield

a/c drain plug blocked, not allowing condenaste to drain on ground

water leak though a seam leak on cowl or around air intake under leaf screen at base of glass on passenger side.

Mar 11, 2011 | Ford F-150 Cars & Trucks

1 Answer

Ford f-150 that has smoke coming inside the vents when you drive it.what would cause this? 4.5 v-8

You trucks heater core is leaking inside the dash heating vents, the air blower motor blows through the heater core and then you smell the leaking coolant in the form of a sickly sweet vapor. You will need to replace the header core, this is a fairly big job and in most cases best left to a professional.

Mar 05, 2011 | 1999 Ford F150 Regular Cab

1 Answer

Why my window is fogging whe i turn the heater ?? i recently bought my toyota carina 3 model 1994 but the window is fogging , what should i do?

Make sure the vent system is set to draw air from outside. If it is set to recirculate the same air that's inside the vehicle without drawing fresh air from outside, the resulting humidity that builds up inside the vehicle can fog the windows even when you run the defrost. You can also try opening the windows a bit to get some more air moving inside.
If it still fogs when the vents are set properly, you may have a leaky heater core. The heater core is a small radiator that is located under the dash that the heater system blows air through to heat the inside of your car and provide heat to defrost the windshield. The fog may be coming from the heater core leaking hot coolant steam that's being circulated through the defrost system. If this is so, you will need to replace the heater core.

Jan 07, 2011 | 1997 Toyota Corolla

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My 99 Tacoma extended cab sr5 4x4 has a water leak tha i cannot seem to find. My heat blows fine and I do not think it's my heater core. Anyone else have this problem? Both my driver and passenger front...

Hi, look at this way ,,,, it's wet on both sides on the inside of cabin. Gravity being what it is , check the heater cowling below the heater matrix for (water) dampness. On a bad day there are only two hoses coming thru the engine bulkhead ,,, to the heater matrix , so do the maths yourself . A pressure tester will expose any weak / vunerable hose connection. Good Luck

Dec 12, 2010 | Toyota Tacoma Cars & Trucks

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The radiator cap was replaced on my truck and now smoke is coming through my vents when i turn on heat the windows fog up and the defrost fogs my windows

it sound to me that you might have a slight leak in your heater core. The leak is what s causing the windows to fog up, cause it's actually radiator fluid leaking. Is there any odor present?

Nov 19, 2010 | 2000 Dodge Durango

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