When the heater is on my windshield gets fogged up

Tiny
ARTHUR MATHEWS
  • MEMBER
  • 2000 DODGE RAM
  • 5.2L
  • V8
  • 2WD
  • 213,000 MILES
I turn heater on and my windshield fogs up every time.
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Friday, October 14th, 2016 AT 7:11 AM

3 Replies

Tiny
AL514
  • EXPERT
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.
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Friday, October 14th, 2016 AT 7:38 AM
Tiny
ARTHUR MATHEWS
  • MEMBER
Nothing wet under the dash or on the carpet.
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Friday, October 14th, 2016 AT 12:01 PM
Tiny
AL514
  • EXPERT
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.
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Saturday, October 15th, 2016 AT 11:41 AM

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