Ac problem

Asked by GuruW6FYD May 25, 2018 at 02:34 PM about the 1997 Buick LeSabre Custom Sedan FWD

Question type: General

My ac while blowing goes from the vent
the front defrost vents what cause that in
1997 Buick Lasabre custom

1 Answer
10,220

txbarney answered 5 years ago

That is the defalt location when the system is not getting vacumn to change it to other locations. You can usually verify this be cause the cruise control probably does not work also. You need to start at the top of the engine and check the vacumn lines going back to the firewall....look for broken connections, disconnected hoses, and damaged hoses.

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