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Fogging Windows

Tiny
MAJORCB
  • MEMBER
  • 1976 CADILLAC FLEETWOOD
  • V8
  • 2WD
  • AUTOMATIC
  • 31,000 MILES
I have a nice 1976 Cadillac Fleetwood Brougham with 31,000 miles. Just got a new radiator installed due to having heats problems. Heat then "no Heat". Mechanic said needed new radiator. Now my windows are fogging up. Heater core shows no signs of leaking when I look under the hood, Heater works great now, and there is no smell of anti-freeze in the car? What can this be?
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Saturday, January 1st, 2011 AT 7:14 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
When the windows start fogging up, it is usually a pinhole in the heater core. Pressure test it and if the gauge drops, there is a leak. There are adapters to isolate and check the core.
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Saturday, January 1st, 2011 AT 7:31 PM

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