Question about 1995 Buick LeSabre

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My 95 biuck has a kinda knocking noise at the front enn of the motor & i can't figure out what the hell it is,i pulled the serpentine belt so nothing was spinning but the crank the noise seemed to quite down some but sounded more hollow & seemed to quite down more when the rpm went up but started when rpm came back down,i got under it & had it started but couldn't find where the noise was comming from,from there either,please HELP me if you can.THANKS IN ADVANCE. Thomas Neubecker

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Try harmonic balcer

Posted on Aug 13, 2013



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Posted on Jan 02, 2017

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SOURCE: knocking noise coming from belt area. when belt

It is very common for the harmonic balancer on these to fail and it sounds like an engine knock. It almost stops when you remove the belt. With belt removed, try to turn harmonic balancer, if it turn back and forth, it is bad. You need to replace it.

Posted on Nov 01, 2009

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SOURCE: 2005 buick leSabre whine or humming noise from front end.

I had the same problem with my 2000 Buick LeSabre last year. Took it in and they determined the wheel bearing needed to be replaced. Costs about $300 per bearing, but definitely needs to be replaced as you'd be in serious trouble if the thing went out at highway speeds.

Posted on Dec 11, 2008

  • 1 Answer

SOURCE: engine or transmission knock / rattle upon

I had the same problem on my 2006 Lucerne and it was the engine mount located on the front of the vehicle behind the radiator.

Posted on Aug 24, 2009

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SOURCE: need to install serpentine belt on 2001 Buick Lesabre

There a few different layouts for that car year and model so here is a link and you will find what you need .. Thanks for using FixYa and please rate me a FixYa .. Crayz

Posted on Apr 06, 2009

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SOURCE: 95 buick riviera power seat won't go forward

yes it the same motor, the problem u will find is the seat control switch, it is the most common failure in any power seat system.

Posted on Jul 19, 2009

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My MDX 2007 is making a clunking noise to the right front side while parked.I've tried figuring out the cause to no avail

First thought if it is front wheel drive might be serpentine belt is breaking down. I have taken them off and found broke pieces of rubber in the grooves. If it has serpentine belt.

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I have a 1998 plymouth breeze that squeals on the passenger side front. not the brakes. not the serpentine belt and not the wheel bearing .starts at twenty mph. also it stops sometimes. I'm kinda...

Ok its not the transmission.
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Jun 02, 2013 | Cars & Trucks

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Bad oil pump ?

Turn your A/C off, the compressor can make noise if bearings are dry or system is low on compressor oil.
Remove your serpentine belt. Turn pulleys by hand to check for roughness. Bearings in those pulleys routinely go bad.
You may get computer warnings with the following test, but with serpentine belt removed, run engine for 2 or 3 minutes. Do this on a warm engine after serpentine belt is removed. The warm oil will not mask the problem like cold thick oil can. Noise generated means problem is internal.
If this is a stick shift transmission sometimes the clutch bearing can make noise and is a sign that bearing is bad.

May 13, 2013 | Ford Focus Cars & Trucks

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High pitch noise from under hood when i start my 2005 toyota 4 runner. The noise stops after about 30 seconds. sounds like a turbo charger spooling up but i dont have one.

You could remove the serpentine belt and see if the noise continues, then check each component one at a time.
You describe a slipping belt because the alternator pulls hard for the first few seconds after you start the engine.

Sep 03, 2012 | 2005 Toyota 4 Runner

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A distinct knocking noise coming from the front suspension

i'll bet anything it one of your CV joints there's a left one an a right one. this is not a back yard do it yourself kind job and it's kinda spendy just pull in to any mechanic an they should be able to verify it in just a few seconds.

Feb 25, 2012 | 2000 Pontiac Grand Am GT

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How do i remove serpentine belt?

you will need a 3/8'' drive breaker bar to pull back & hold the ''belt tensioner'' away & while doing so remove the serpentine belt. there is a 3/8'' square hole in the tensioner where you apply the bar. watch your fingers!

Nov 30, 2011 | 2005 Dodge Caravan

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How do i take of a pulley and tensioner of a 94 Dodge Caravan 3.0 L V6

You'll need a Serpentine Belt Tool and a socket set.

Rotate the Caravan's serpentine belt tensioner assembly clockwise to relieve the tension on the belt. Slip the belt off the tensioner with your free hand before rotating the tensioner back to its home position. Remove the tool.
Extract the two mounting bolts that hold the serpentine belt tensioner assembly to the Caravan's front engine cover using your socket set. Depending on your physical size and dexterity, you may find this easier to accomplish through the top of the engine well or through the passenger-side wheel well.
Pull the old serpentine belt tensioner assembly out of the Caravan's engine bay by hand. Place the new serpentine belt tensioner assembly on the Caravan's front engine cover and bolt it in using your socket set.
Rotate the new serpentine belt tensioner assembly clockwise with the serpentine belt tool and then place the belt on the pulley by hand. Rotate the new serpentine belt tensioner assembly back into place. Remove the tool and close the hood.

May 19, 2011 | Dodge Caravan Cars & Trucks

1 Answer

I have a 1997 Buick LeSabre. It has a light knocking . it will knock a couple of times then not at all for a long while! it seems to be coming from around one of the bottom pulleys what could it be?

Tell somebody to rev the motor and check where the problem is from, otherwise remove serpentine belt, if it's a supercharged model remove supercharged belt before, and remove the accessories belt ! tell him to start the motor a short time to see it the knock sound is there or not, if not check each pulley if there's any loose or strange noise while turning them !

Jul 17, 2010 | 1997 Buick LeSabre

1 Answer


Belt tensioner puley.Sience you said timing belt was done , that means water pump was replaced too.
Just had same thing in the shop , weard noise hard to tell were from , happened to be a serpentine belt tensioner puley.Can't replace puley only , it comes as assembly.

Jun 15, 2010 | 1998 Audi A4

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2003 CTS 3.2L threw serpentine belt. Car made no

you bent a rod get the motor from someone other than dealer they will soak you

Oct 03, 2009 | Cadillac CTS Cars & Trucks

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