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 95 Riviera, Noise from Right Front

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tloukaitis
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PostSubject: 95 Riviera, Noise from Right Front   Thu Apr 07, 2016 2:30 am

Sounds like a wheel bearing, but I've replaced it (with a Timken), replaced CV Shaft, switched tires around, no difference. Turn left; noise. Turn right; no noise. Notice it more at low speeds than high. Could it be rotor or caliper?
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albertj
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PostSubject: Re: 95 Riviera, Noise from Right Front   Thu Apr 07, 2016 10:08 am

tloukaitis wrote:
Sounds like a wheel bearing, but I've replaced it (with a Timken), replaced CV Shaft, switched tires around, no difference.  Turn left; noise.  Turn right; no noise.  Notice it more at low speeds than high.  Could it be rotor or caliper?

Can you record it and post a sound file?

Inspect your brakes.
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tloukaitis
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PostSubject: Re: 95 Riviera, Noise from Right Front   Thu Apr 07, 2016 11:19 am

The brakes are fine. But, if it were brakes, why wouldn't the sound be continuous, not just on a left turn? There's too much other noise going on to get a good recording of the specific sound.
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Abaddon
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PostSubject: Re: 95 Riviera, Noise from Right Front   Thu Apr 07, 2016 11:24 am

tloukaitis wrote:
The brakes are fine.  But, if it were brakes, why wouldn't the sound be continuous, not just on a left turn?  There's too much other noise going on to get a good recording of the specific sound.


Because the rotor assembly moves when you turn, and puts "pressure" on the opposing brake pad. It's the exact same concept as a hub.

Inspect your brakes. More importantly, inspect that little shield that hangs down behind the lower ball joint. I'm willing to bet it's touching the rotor.
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LARRY70GS
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PostSubject: Re: 95 Riviera, Noise from Right Front   Thu Apr 07, 2016 3:49 pm

http://rivperformance.editboard.com/t1580-steering-shudder-pump-or-rack-noise?highlight=steering+hose+tsb


Steering - Vibration, Shudder, or Moan Noise

File In Section: 02 - Steering Bulletin

No.: 99-02-32-007A

Date: February, 2001

TECHNICAL
Subject:
Steering Vibration/Shudder/Moan During Parking Maneuvers on Dry Pavement (Install Power Steering Pressure (Inlet) and/or Return (Outlet) Hose Assembly)

Models:
1995-99 Buick Riviera
1997-2001 Buick Park Avenue, Ultra
2000-2001 Buick LeSabre
2000-2001 Pontiac Bonneville

This bulletin is being revised to add the 2001 model year and to update the parts information. Please discard Corporate Bulletin Number 99-02-32-007 (Section 2 - Steering)

Condition

Some customers may comment on a steering vibration, shudder or moan noise when steering during parking maneuvers on dry pavement.

Correction

Install a new power steering pressure (inlet) hose assembly on the following vehicles:
^ 1995-98 Buick Riviera

^ 1997-98 Buick Park Avenue and Ultra

Install a new power steering pressure (inlet) and return (outlet) hose assembly on the following vehicles:

^ 1999 Buick Riviera

^ 1999-2001 Buick Park Avenue and Ultra

^ 2000-2001 Buick LeSabre

^ 2000-2001 Pontiac Bonneville Diagnosis

_________________
98 Riviera SC3800  All stock except gutted air box.
1970 Buick GS455 Stage1, TSP built 470BBB, 602HP/589TQ
Best MPH, 116.06 MPH, Best ET, 11.54
https://www.youtube.com/watch?v=UHCda-t_Jls
https://www.youtube.com/watch?v=sfT2tEO4XcU
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tloukaitis
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PostSubject: Re: 95 Riviera, Noise from Right Front   Sun Apr 17, 2016 11:29 pm

Ended up being a bad bearing on the left side, not right, even though the noise sounded like it was coming from the right. Thanks.
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albertj
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PostSubject: Re: 95 Riviera, Noise from Right Front   Tue Apr 19, 2016 12:41 pm

tloukaitis wrote:
Ended up being a bad bearing on the left side, not right, even though the noise sounded like it was coming from the right.  Thanks.

thanks for posting, difficult to do remote diagnosis.
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