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Question
1999 deville one side blows hot air other side blows cold when heat is on. It is opposite when AC is on.
There are 2 damper door actuators. 1 on the drivers side and 1 on the passengers side that operates the damper doors.
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Expertise
On hands professional expertise in all aspects of Cadillac diagnostics and repair mid 1970`s thru 2000 year vehicles. GM certified in electronic fuel injection, Automatic transmission, Heating and A/C, and onboard vehicle computer diagnostics.
Experience
Held over 15 GM certifications prior to retirement in 1989.
Organizations
Prior to retirement held several ASE certifications, numerous Factory certifications.
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