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Buick LeSabre Brake Problems

21 messages,  Last post on Sep 28, 2009 at 4:13 PM

You are in the Buick LeSabre Forum. Your Hosts are pat & karens

What is this discussion about? Buick LeSabre, Brakes, Sedan


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#3 of 21
ABS Light by mkansari
Aug 19, 2007 (6:25 am)
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I have 1997 Buick Lesabre and need help to find and replace
wheel sensor. Please advise how to locate sensor. Also Engine Light staying 'ON' sometimes goes away but will come back 'ON' Please advise how to resolve.
#4 of 21
ABS light by kosmo83
Nov 17, 2007 (10:30 am)
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I recently purchased a 1997 LeSabre custom with only 50k miles. A LOW LEVEL flood car... The ABS light is on. Any ideas where to start...Thanks...
#5 of 21
? about rusty brakes by lesabrelover
Jan 17, 2008 (10:53 am)
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The brake discs on my 2003 Lesabre have a lot of rust on them because I hardly drove the car for 2 years. It's on a carport. The past year drove it about one day every other week. The brakes feel like they work fine but they squeak all the time the car is in motion. Does it sound like I might need new brakes? Or maybe they just need to be lubed and cleaned up, and the fluid changed?
#6 of 21
1997 Buick lasabre brake calipers by pcjd388
Jun 10, 2008 (11:29 am)
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My brakes on my 97 lasabre make all kind of squeaky noises and when I take the wheel off and push the piston back on the calipers and then apply the brake and go down the road, all the squeaking stops untill like 2 -3 days later then it starts all over again, I have went over this same process at leats 30 times so does it sound like my calipers are worn because the brakes (front) are like brand new thru all the 30 times I have done this...Any help i would appreciate
#7 of 21
Re: ? about rusty brakes [lesabrelover] by imidazol97
Jun 10, 2008 (2:23 pm)
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Replying to: lesabrelover (Jan 17, 2008 10:53 am)

>they squeak all the time the car is in motion.
 
How many miles are on the brake pads and how has the car been used? Highway driving? Town driving with lots of hard stops?
 
The brake pads (originals) have a metal tab that is supposed to start rubbing on the rotor a while before the brakes wear out. THis is on the outside pad. It makes a soft, strange scraping sound. Sometimes the inner pads wear more than the outer. They don't have a warning soundmaker.
 
The rust didn't hurt the rotors because the car was driven occasionally and never sat for months without driving. The rust would rub off the first time the brakes are applied.
 
The fluid doesn't have anything to do with noise or brake wear. It should be changed every few years by bleeding out the cruddy stuff near the wheel end of the lines. A competent mechanic shop will do that.
#8 of 21
Re: 1997 Buick lasabre brake calipers [pcjd388] by imidazol97
Jun 10, 2008 (2:25 pm)
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Replying to: pcjd388 (Jun 10, 2008 11:29 am)

Your noise may be something besides brakes. But assuming it's brakes if the pads are not worn down, it's most likely just the type of pads they are and they are vibrating against the rotor and caliper when they apply lightly rubbing against the rotor as you drive. Do they squeak while they are applied for a stop?
#9 of 21
Re: 1997 Buick lasabre brake calipers [imidazol97] by pcjd388
Jun 10, 2008 (5:04 pm)
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Replying to: imidazol97 (Jun 10, 2008 2:25 pm)

Yes my brakes squeal when the brakes are applied coming to a stop and when I have to use them to slow down...I took the wheel off and the brakes are as new as ever and the little tab is not even close to the caliper. But when i push the piston back on caliper and then reapply the brakes then they dont squeal for a few days then its back to squealing so im wondering if I have a bad caliper
#10 of 21
Re: 1997 Buick lasabre brake calipers [pcjd388] by imidazol97
Jun 10, 2008 (6:03 pm)
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Replying to: pcjd388 (Jun 10, 2008 5:04 pm)

Your problem is beyond my pay grade. But I'll ask a couple of questions. Did you put the replacement pads on yourself? Were they semimetalic or ceramic? Were they the inexpensive version? Did you use a rubbery coating on the back of the metal plate for the pad that dries before you assemble the brakes--the coating can stop some vibration that the pads might do. But under heavy braking they shouldn't have a squeal.
 
Your calipers wouldn't cause that. It's something about the contact of the pads and the rotors.
 
I know the replacement pads I put on my car had the front and back edges beveled at a 45 degree angle that was to keep them quieter... That's why I was tactfully asking if your pads might have been very inexpensive and didn't have that when they should. Or they might be too hard.
 
Are you having any other symptoms that might make you think the calipers are a problem? Dragging? Pulling? Overheating? Pulsating?
#11 of 21
Re: 1997 Buick lasabre brake calipers [imidazol97] by pcjd388
Jun 11, 2008 (6:07 am)
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Replying to: imidazol97 (Jun 10, 2008 6:03 pm)

yes, the brake pads were the least expensive that you can buy in the semi-metallic kind. No, I did not this time put the coating on the back of the brake pads. yes, my brakes also had the bevelled edges on them also. The only reason I think that it could be my calipers is the brakes pulsate upon stopping like that calipers are bad, so plz let me know what you think...I did put the brakes on myself as I always do adn never had a problem like this...I did have a baretta that had the same problem one time and when I put new calipers on it after trying everyhting, the problem went away but since they cost so much for this car, I want to be sure before i do go buy them
#12 of 21
Re: 1997 Buick lasabre brake calipers [pcjd388] by imidazol97
Jun 11, 2008 (9:00 am)
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Replying to: pcjd388 (Jun 11, 2008 6:07 am)

I can't hear the noise you are hearing so I can't distinguish between the sound of pads lightly rubbing on the rotor (normal) as you drive. With light application is usually when I'd hear the vibration of metal backing plates moving against their metal holders in the caliper.
 
You'll have to decide what you're hearing. I'd suggest having someone drive the car slowlypast you in a parking lot to listen for the noise from outside.
 
Calipers were only $30 each at AdvanceAuto recently for my 98. I broke a bleeder screw and just went ahead and replaced both rather than having the bleeder dug out or doing it myself with screw extractors.

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