Question about 1992 Buick LeSabre
The blower motor in my 92 Buick LeSabre works fine, with all speeds and going to all outlets (defrost, A/C, heater, etc.). After 15-20 minutes, some kind of door closes. I can still hear the fan blowing and speed controls for the fan still work. Can barely feel air seeping through the appropriate duct. Any ideas? Thanks.
I'm fairly sure that model still uses a vac control for the hvac. You may have a vac leak in one of the lines, the main controller, or one of the blend doors. The blend doors are under the dash and may be difficult to reach.
Posted on Dec 02, 2014
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Posted on Jan 02, 2017
the hvac selector switch in the dash may be the problem.You need to remove the switch and look at the connector on the back of switch,see if there are any burnt wires at the connector or switch.It's all electronic and the switches have been known to burn out on this and other model.
Posted on May 26, 2009
If you are referring to the AC blower, you may want to check on the fan switch. It could be caused by bad contacts or loose connections. There is also a resistor if you would trace the wiring of the switch to the evaporator under the dash. Check if it is still intact. It may be partially be burned.
Posted on Jul 13, 2009
well colse the blower motor is going bad the bearings are worn out and can not be fixed.Replace the blower motor and you will be fine.
Posted on Aug 04, 2009
Yes. It could be your motor. If there is voltage or your hear the motor running then it could be a vent door not working. There is also the switch and a blower motor resistor that you can check. Hope this helps.
Posted on May 18, 2010
Tips for a great answer:
faulty blower motor resistor. The low and medium speed on blower motor is
controlled by resistor and its actual speed is high. So because resistor is not
working, blower motors actual speed which is high is working.
can be faulty blower motor or faulty blower motor resistor. Get the blower
motor inspected. If it's faulty it has to be replaced.
blower motor testing and replacing, check the link below: ----
These will help.
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