95 Riviera Noise from Front Right

[tloukaitis]

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?

[LARRY70GS]

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?

Another possibility is the power steering pressure hose. I believe there was a recall for that on some Rivieras. It produces a type of growling noise during low speed steering.

http://rivperformance.editboard.com/...ering+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

[tloukaitis]

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.