Question about 2000 Buick LeSabre

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Humming sound on and off rear of 2000 buick lesabre, if cars is running, sitting or just with key in on position

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  • Willie Cooper
    Willie Cooper May 04, 2017

    the fuel pump is in the gas tank in the trunk passenger side with a plate over it could be what you are hearing

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  • Contributor
  • 17 Answers

Wild guess here, sounds like a noisy fuel pump.

Posted on Oct 22, 2016

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: 2000 buick lesabre stall after starting or after running for 30 minutes

I have a 1996 Lesabre. I had a similar problem that slowly got worse. I brought it to two different mechanics that did diagnostic checks and could only "suggest" what to replace to fix the problem. Their problem was that it wouldnt stall out while they had the mv. After replacing a bunch of sensors and the fuel pump/ filter, I solved the problem by replacing the Crank Sensor. Its located behind the lower crank pulley on the 3.8 lt motor. Hope this helps!

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SOURCE: Buick Lesabre Humming noise that becomes louder as RPMs increase

Bad Crankshaft Damper

Posted on Dec 16, 2008

michigan man
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SOURCE: Replace Rear Shock Air Compressor

i am not really sure but for the most part its under the hood just inside one of the fenders but i would like to give you this number they only sells GM- parts its Schram auto & truck parts # 1-800-292-1032

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SOURCE: Best way to remove rear 3 spark plugs 2000 buick

Most GM fwd v6s' have to be rolled forward to change the rear plugs. Its not as hard as it sounds though. Usually removing the air cleaner box and then taking the bolts out of the two top wish bone mounts allows you to roll the engine forward enough to change those plugs. You'll just need something to hold the engine forward while you change them. Like maybe a friend or a strap. I hope this helps you.

Posted on Aug 18, 2009

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SOURCE: 2000 Buick Lesabre custom liscense plate bulb

kind of tricky, took me an hour to get it figured out, but you got to opend the trunk and take out the 10 or so 10mm nuts sticking out of the backside of the lid, then the whole solid piece where the lights are on the back will slide off, then you can change the bulbs above the license plate and put it all back together

Posted on Mar 20, 2010

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1 Answer

Buzzing sound coming from under the back end


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