02 Buick lesabre. Air only blows thru defrost and floor
30

Asked by Thomas Jun 08, 2020 at 02:11 PM about the 2002 Buick LeSabre Custom Sedan FWD

Question type: Maintenance & Repair

I have a 02 lesabre and the air blows thru the defroster
and a little thru floor vents. Everything else seems to be
working as far as heat to air & air speed just doesn't
change to the vents. What's the cause for this?

3 Answers
155,245

james answered 3 years ago

The system has lost vacuum. When this happens it defaults to defrost for safety reasons. Look for a broken or disconnected vacuum hose at or near the firewall. Hope that helps! Jim

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30

Thomas answered 3 years ago

2002 Buick lesabre: Wasn't changing from defrost to vent. I found what the problem was. It's the mode actuator located on the drivers side not heat actuator behind the glove box. Thank y'all for the information

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