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2006 dts. Only cold air comes out of heater when car is

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2006 dts. Only cold...
2006 dts. Only cold air comes out of heater when car is sitting
Submitted: 7 months ago.Category: Cadillac
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Answered in 1 minute by:
12/29/2017
Cadillac Mechanic: Dan, Technician replied 7 months ago
Dan
Dan, Technician
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Cadillac Mechanic: Dan, Technician replied 7 months ago

This would mean the heater core is partially clogged not allowing good flow. You can disconnect both of the hoses going into the firewall then use a garden hose to flush it out from both directions which will usually take care of the problem. This would cost around $100 to have done at a shop. Let me know if you have more questions or if there is anything else I can do to help. Thanks.

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