95 Lesabre - When I hit a bump the hater starts blowing, I'll hit another bump and it will change to the a/c blowing, hit another bump and defrost wil start blowing. What's going on?

Asked by Oct 09, 2017 at 12:47 AM about the 1995 Buick LeSabre Limited Sedan FWD

Question type: Maintenance & Repair

3 Answers

3,865

probably the selector switch , you'd have to trouble shoot it with a multi meter

1,720

I agree with "beatupchevy" something must be wrong with the HVCA controller itself for that to happen, try finding a used one at a salvage yard...... Other than that stop hitting bumps

Thanks for help. ( I'll avoid hitting any more bumps too.)

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