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Old 12-05-2006, 01:20 PM   #2
Ian Szgatti
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Re: 92 Cutlass Ciera heater blowing hot AND cold air.

Inspect the duct work under the dash. After the fan blows the air in, it will pass through the heater core elements and then simply out through what ever vent you have activated. Maybe you have a hose unplugged.
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