Thread: 91 seville - only defrost works for heat
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Old 02-08-2007, 10:36 AM   #3
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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