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91 seville - only defrost works for heat

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#1

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02-06-2007, 10:01 PM

barbied

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91 seville - only defrost works for heat

Could it be a switch? but where?
Thanks a bunch

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#2

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02-07-2007, 07:49 PM

butch h

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Re: 91 seville - only defrost works for heat

My guess would be the climate control module.

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#3

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02-08-2007, 10:36 AM

DFBonnett

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Re: 91 seville - only defrost works for heat

Check the vacuum hoses under the dash. Look in the middle from the driver's side. One may be cracked or disconnected. IIRC, this will cause the system to default to defrost.

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#4

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02-08-2007, 12:10 PM

HAWG

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Re: 91 seville - only defrost works for heat

possibly the programmer or the actuator motor

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