Question about 1997 Buick LeSabre
The controls function, air goes from bottom to windshield as supposed to according to setting but air stopped coming out of the dash vents. Happaned right after I was changing settings and hear a plastic rattling noise tic tic tic clack clakc. This is when dash stopped blowing air. Inspected vacuum diverters, they all excep one change position as settings are changed. The one that does not move, when moved by hand will supply air to the dash vents. Inspected vacuum lines to the vacuum junction, It has 5 lines and 1 plug. Since 4 out of 5 lines work and the line itself is good I do not think it is a vacuum issue. The diverter that does not move is all the way on top behind the dash, can't get to clip to remove it. Any tricks on how to get to it?
Ck to see if the mode vaccum actuator is getting vaccum, you will need to test actuator with a hand held vaccum gun, if actuator has failed you will need to replace, if actuator holds vaccum and it does not move the door your door may be out of position inside case or something could hold it locked in position. you will need to check door by hand to see if it moves freely.
Posted on Aug 03, 2009
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Posted on Jan 02, 2017
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