1999 buick riviera has heat on drivers side and cold air on passenger side

Asked by Guru9YLNZZ Feb 02, 2021 at 12:59 AM about the 1999 Buick Riviera Supercharged Coupe FWD

Question type: Maintenance & Repair

1 Answer


Greetings, you need to check the blend door actuators. They are located beneath the dash, on each side of the console. I believe there are four. I have purchased some from Autozone and I've also gotten some from the salvage yards. SEMPER FI

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