Question about 1992 Buick LeSabre

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92 Buick LeSabre Blower Door Closes after 15-20 minutes

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.

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  • Buick Master
  • 21,873 Answers

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

  • 37 Answers

SOURCE: Blower motor vent selection switch not working

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

  • 2187 Answers

SOURCE: 1994 Buick Lesabre blower runs on all speeds

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

  • 490 Answers

SOURCE: how do I install a blower motor on a 2004 buick lesabre 3.8 v6

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

  • 31 Answers

SOURCE: ac/heater works but doesn't blow air at any speed

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

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1 Answer

98 buick heater stop working


Its 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.


It can be faulty blower motor or faulty blower motor resistor. Get the blower motor inspected. If it's faulty it has to be replaced.


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For blower motor testing and replacing, check the link below: ----

Blower motor Testing/replacing for all vehicles?

http://repairhelpcenter.blogspot.in/2012/02/blower-motor-replacing-for-all-vehicles.html

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These will help.

Thanks.

Dec 14, 2012 | 1998 Buick LeSabre

1 Answer

1997 buick lesabre limited, blower motor works sometimes.


More than likely a bad speed control. These are usually mounted inside the car near the bottom of the AC box. Another possibility is a bad connector under the hood. The offending connector is usually located on the right side of the car near the blower motor area. Look for a connector that has one large red or orange wire and two smaller wires. I have found these connectors burnt up on many occassions.

Jul 25, 2012 | 1997 Buick LeSabre

1 Answer

I have a 1994 Buick LeSabre Limited with a blower motor that will not run. When I hook the motor up directly to the battery it works, and when I put a voltmeter on the plug that goes into the blower motor...


The blower motor fuse,or relay is not working,check these,and the blower motor switch.The relay is activated by connecting ground to the relay.Best bet,is the blown fuse.

Dec 20, 2009 | 1994 Buick LeSabre

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Engine temp is fine - thermostat OK - no heat


The blend motor to go from cold to hot is located on the blower motor housing. They are usually mounted close to the blower motor.

Oct 02, 2009 | 2000 Buick LeSabre

1 Answer

1994 lesabre, hi speed a/c motor runs all the


You need to replace the blower control module. It's about six inches from the blower motor on top of the heater case on the passenger sid of the blower motor.

Sep 08, 2009 | Buick LeSabre Cars & Trucks

1 Answer

How do I install a blower motor on a 2004 buick lesabre 3.8 v6


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.

Aug 04, 2009 | 2004 Buick LeSabre

1 Answer

On my 1999 Buick LeSabre the blower fan does not work at all


How about checking voltage into & out of resistor for difference. Some swear by high only when resistor goes, but in past I have had intermittent use of other speeds before it finally went & I had high only.

Jun 06, 2009 | 1999 Buick LeSabre

1 Answer

2000 BUICK LESABRE BLOWER MOTOR


The blower motor should be two wires. Backprobe and find out which is power and which is ground and bench test it. You could have a bad blower but it sounds more like a defective speed resister.

May 30, 2009 | 2000 Buick LeSabre

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