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Q: When i turn on the heat in my truck the windshield fogs up why?
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Why does your windshield keep fogging up?

Your windshelid fogs up because of the cold air outside mixing with the warm air inside your car, causing the water vapor in the air to stick to your windsheild. Just turn down the heat a bit to solve the problem.


If the front windshield fogs up when you turn the heater on and you smell strong anitfreeze is the heater core bad?

Those are the classic symptoms for a heater matrix (core) leaking


Whenever you turn on your defroster on your 1995 jeep Cherokee Laredo it fogs your windshield especially when you put it on the heater side and it blows out antifreeze vapors what is the problem?

Most likely your heater core is leaking.


How do you know if a heater core is bad in a 1997 Cherolet S-10?

Typically the front passenger side floor/carpet gets soaked with engine coolant and when you turn on the defroster, the inside of the windshield fogs up.


When i turn on the defrost no air seems to go the windshield?

no heat to front window went defrost is on


Is my heater core defective if the inside of my car's windshield fogs up and I get a funny smell whenever I turn on the heater?

Yes. That smell is the coolant being blown into the air ducts. You might also notice a slimy film on the the glass that is very difficult to clean.


Can't defrost my windshield?

The fastest way to defrost a windshield is to turn the defrost vent on without heat or simply open the windows. Another option is to warm the inside of the car by turning the heater on.


Windshield wipers wont turn off?

A bad relay switch will cause the windshield wipers to not turn off. Replace the relay switch and the windshield wipers should turn off.


In a 2006 Chevy Colorado what causes moisture to build up inside the cab?

Turn your cabin air selector to fresh air and floor and windshield and cold. The condensation will dissipate.It is caused by the angle of the windshield and how the cold exterior air hits the windshield that is warm because the heat is on.


What could be causing steam or smoke to come out of the vents when you turn the heat on in a 1997 ford escort wagon it sometimes has a sweet smell and it also fogs up the windows when it is off too.?

Your heater core has a hole or leak.It is located under the dahboard.The


What causes the windshield wipers not to turnoff unless you turnoff the car?

I have a 2003 Acura TL. When turn on my windshield wipers, I'm not able to turn them off unless I turn off the car. The intermittent also doesn't work on the windshield wiper swith.


What would cause no heat in front but heat in back on 1997 expedition?

Diverter is improperly engaging in the dash. Turn all dash switches off. Turn on truck, turn heater switch to max heat, then turn switch to vent. Feel any heat coming from dash? Now turn fan up a notch. You may hear the diver flap engage, and air gets cooler. Got drop dash to fix it