Having problems with your 1998 Buick LeSabre ?

The air conditioner and heater will not blow through the dash vents...The A/C and heater just fine but only blow through the floor and windshield vents....Where can I find help and hopefully drawings of the system?

Posted / edited by AnonymousUser on : 15-07-2019

Answers :

You might have a problem with the vent door flap. The vent door flap is the one that pushes the air direction on which vents the air should go out.

You need to check if there's a problem with the vent door flap. I'm not\015\012sure where the vent door flap is exactly located, so you might need an\015\012assistance from an A/C tech.

Hope this helps and have a great day!
Your problem is consistant with a blend door issue , usually a vacuum hose being off or becoming bad, Have you recently had the dash front off for any stereo install or work ? If so it may have been accidentally disconnected. It can also be your selector switch which controls the positioning of where your heated or air-conditioned air exits. With engine running at idle heater or ac on listen under dash for any vacuum leaks or whistling noises... As for drawings you will need a Chilton's or MItchell repair manual specific to your make and model car...hope this helps...
Repair Help & Product Troubleshooting for 1998 Buick LeSabre

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