Tip & How-To about Chevrolet 1500

Windsheild fogging up? you have heater core problems

If your driving along and suddenly your windsheild just starts to fog up with the aroma of coolant in your car or truck your heater core just sprung a leak. You need to get where your going quickly. Let the vehicle cool down and check the coolant before going anywhere else with this vehicle

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3 Answers

I turn on heater and it fogs up and i smell antifreeze


then you need to get the heater core replaced .

Jan 07, 2017 | Cars & Trucks

1 Answer

Y do my front window keep fogging up and white smoke from vents only


This symptom is usually a sign of a coolant leak from the heater core. The fog/smoke leaves a film on the glass. Often you get a sweet-sort of aroma as well. Check for loss of coolant. If you are low, check the heater core for leaks and replace as needed.

Nov 17, 2016 | Cars & Trucks

1 Answer

windsheild is fogging up while driving what is causing this?


Check coolant level for radiator to see if it's going down. Does it smell like anti-freeze when the fog starts coming? Feel it, does it feel slightly oily?
If so, you may have a heater core problem.(Leak) Have the cooling system pressure tested to confirm.

Apr 19, 2010 | 1999 Jeep Grand Cherokee

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