Howling - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-15-2006, 11:57 PM   #1
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Default Howling

Simply that
Slowing down say, from 25 km/h to 0. Brake at any level, there is a higher pitched howling sound, that is fairly audible right to 0. It sounds like it is coming from the left front, it ONLY does it with brakes applied if im doing straight. It will do it making a slower right turn as well.
Brakes are like new front and back, CVs look great, car doesn't pull in any direction, driveability has not decreased at all.
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Old 05-16-2006, 12:14 AM   #2
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My bet is that if your braking isn't affected, it'* a hub bearing. Now you have to find out for certain which side it is. Or jack each side up and wiggle the wheels to see which one has the most slop. Your other option is the differential.
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Old 05-16-2006, 12:17 AM   #3
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If its my diff... ill cry.
its more like a braking howl, and its loud from the drivers side.
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Old 05-16-2006, 12:34 AM   #4
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defintly a hub the cvpi needed a replacement a while back and i had the same symtoms
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Old 05-16-2006, 12:41 AM   #5
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Check under the hood to see if you've inadvertently t-boned a coyote.

Damned annoying things are all over here.
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Old 05-16-2006, 08:42 AM   #6
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I'd agree on the wheel bearing.

You have two choices. You can like the airplane sound and keep it. (eventually it'll fail) or you can swap'er out. (Maybe you and Pat can get a multibearing discount...)
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Old 05-16-2006, 09:49 AM   #7
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I get them babies for next to nothing at work
I'm not to concearned about it really, they arent that bad to change either, if it doesn indeed need a hub.
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Old 05-16-2006, 11:51 AM   #8
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i had the same problem and just replaced both at the same time.... do not wait until it gets bad, my friend did wait until it got bad and the wheel bearing failed on the highway.... i replace atleast the bad one....
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Old 05-16-2006, 02:59 PM   #9
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One of the techs at work is gunna come for a boot in it today at lunch...
It was making that sound, only softer when i was stopped this morning...I though..ABS pump maybe, so i disabled it..and nope, still made the sound.
Its interment though, cause now, its quiet as can be...
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Old 05-16-2006, 07:04 PM   #10
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It might be more obvious in the cold.
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