Cadillac Repair: air flow, substantial work, diagnostic procedures

Question
1993 de ville sedan has very poor air flow thru heater, vents,defrost, all system work well but poor air flow8

Answer
Sounds like a damper door problem and or a blower problem.

You will need to contact me at:


onlineautohelp@msn.com


PICTURES are NOT allowed on the ALL EXPERTS WEBSITE and I am ONLY a  volunteer. I have nothing to do with the operation of the ALL EXPERTS website.

Your question is going to involve substantial work for me to look up diagnostic procedures for you to perform with pictures of locations of various parts and some diagnostic tests for you to do with your vehicle.