Question about 1997 Buick LeSabre

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Why would a blower work sometimes and sometimes it won't on a 97 lesabre? When it does work, it will start on high and then fade out until it stops. How hard is a diy fix?

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If you have a Volt Meter you can check the voltage to the fan motor. If the motor voltage drops you may have a bad fan switch, if your voltage stay's steady you have a bad fan motor. If you do not have a Volt Meter, when the motor starts to slow down tap on the motor with a small hammer lightly. If the motor speed picks up you have a bad motor.

Posted on Oct 03, 2009

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Posted on Jan 02, 2017

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2 Answers

Will bad blower resistor cause blower to stop working at all?


yes a bad resistor will. but also check the blower motor

Sep 14, 2012 | 1999 Buick LeSabre

1 Answer

I had the controller replaced last year. The heater stopped working and then started back right as I arrived at work. I think it may be the thermostat sticking. Where is it located on my '97 LeSabre?


follow the top rad. hose to where it gos into motor there should be a housing held with to bolts its under there....but if the blower quit it probally needs a resistor

Dec 13, 2010 | 1997 Buick LeSabre

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My 97 buick lesabre limited heater/ac blower quit, it has the climate control,I checked all fuses.


REMOVE HEATER BLOWER MOTOR HOT WIRE BLOWER MOTOR IT.IF IT WORKS.YOUR AC AND HEATER CONTROL SWITCH IS FAULTY.CHECK HVAC FUSES AND CHECK BLOWER MOTOR RELAY.IF BLOWER MOTOR DONT WORK WHEN HOT WIRE REPLACE IT.IF ALL CHECK OUT GOOD.HAVE DEALERSHIP DO A DIAGNOSTIC TEST ON YOUR CLIMATE CONTROL SYSTEM.

Dec 02, 2010 | 1997 Buick LeSabre

1 Answer

My heater blower comes on a long while after I turn in on. Sometimes it doesn't come on and sometimes it does. Everything else works well except for this The blower works great too when it runs.


could be the blower motor itself. if you are handy with a voltmeter, you can check to see if the blower motor is getting power while the switch is on. if it gets power and doesn't run, there's your problem. sometimes electric motors have a tendency when they are failing to come and go, working fine once they get going. its the getting it started from a stop that can be the problem.

Feb 19, 2010 | 1998 Buick LeSabre

1 Answer

Air/heat blower started fading out...so of like


that is probably blower motor weak

Jan 09, 2010 | 1993 Saturn SW2

1 Answer

97 blazer s 10 heater blower fan stops working''it either works and sometimes fades in and out or it doesn't turn on at all. the speed control does work when its blowing


Blower motor is probably at the end of its life. I'll guess that it probably works best when it is cold, then when the weather, or the fan, is hot it quits working. Same issue with my cars when the fan got old and tired. Dealer can get you an expensive new one, auto parts store can get you a less expensive new one, or the salvage yard can get you a cheaper used one. I recommend www.car-parts.com to find a yard close to you with the part.

Dec 11, 2009 | 1997 Chevrolet Blazer

1 Answer

Sometimes the blower will turn on and sometimes it won't.


The windings inside your blower motor itself are most likly bad it appears you need a new motor.

Oct 03, 2009 | 2004 Buick LeSabre

1 Answer

Buick LeSabre A/C


i had this problem; turned out to be the hi speed relay
under the hood, in the area with all the relays. there is a
cover which comes off, and you will see the relay,

Jun 25, 2008 | 1997 Buick LeSabre

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