blower wont switch to defrost

Asked by saddad1 Dec 20, 2016 at 02:41 PM about the 2005 Buick LeSabre Custom Sedan FWD

Question type: Maintenance & Repair

blower wont switch to defrost and window now icing up badly. HELP ME
please as angry daughter is up my *** cuz i wont let her drive in any  snow

1 Answer

103,225

Might have a stuck mode door, or the mode door has a bad actuator. Look up your model's mode door layout and determine where that mode door is inside the dash, and how to access it to test the actuator and/or replace it. It's usually the actuator that goes bad.

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