When the heater is on my windshield gets fogged up
2000 DODGE RAM
213,000 MILES • 5.2L • V8 • 2WD
ARTHUR MATHEWS
MEMBER
2 POSTS
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I turn heater on and my windshield fogs up every time.
Oct 14, 2016 at 7:11 AM
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AL514
AUTOMOTIVE REPAIR CONTRIBUTOR
5,479 POSTS
sounds like the heater core is leaking into the car. this will usually always fog up the windshield and or leak on the floor under the dash. But, it may just be a minor leak to begin with.
Oct 14, 2016 at 7:38 AM
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ARTHUR MATHEWS
MEMBER
2 POSTS
Nothing wet under the dash or on the carpet.
Oct 14, 2016 at 12:01 PM
AL514
AUTOMOTIVE REPAIR CONTRIBUTOR
5,479 POSTS
it may be only a small leak at this point, as you turn your heater on coolant flows threw the heater core and you get the fog up effect. Honda's do it all the time also. same situation.