2002 Seville will not blow air out of middle vents. It blows only out of defrost and lower heat vents slightly. The fan is turning on high speed and the air if buffetting, so I suspect blockage.
I am looking for a web site that explains some troubleshooting techniques and diagrams of blend door and how to access it. Also, any tips on where to obtain parts would be appreciated.
To get access: remove the glove box and then you will see the actuator. The glove box has about 6 hexagon screws which are simple to remove. Now here are some web sites that can help you along with pictures and how to order the part/pricing: http://www.cadillacforums.com/forums/cadillac-tech-tips/211863-mode-door-actuator-fix-how.html http://www.carpartsdiscount.com/auto/parts/2002/cadillac/deville/controls/hvac_blend_door_actuator.html?3593=262929 www.theautopartshop.com www.rockauto.com www.autopartsnetwork.com
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