Asked by Nov 20, 2016 at 12:23 AM about the 1985 Buick Riviera Coupe RWD

Question type: Maintenance & Repair

85 buick riviera is blowing air even though it is
turned off.

2 Answers


Sounds like a stuck blower motor relay. HTH. -Jim


If your car has "automatic" air (where you set a temp and the system holds that temp) there is a blower motor controller. On the '86 and newer, it is in the ductwork on the engine side of the firewall, probably on the passanger side. I am attaching a photo of the '86 location, it is item 1

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