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2000 Pontiac Bonneville steering sound

Tiny
SLAV84
  • MEMBER
  • 2000 PONTIAC BONNEVILLE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 46,000 MILES
I have the same issue with my '00 bonneville - I have a sound when merely steering in either direction. Your answer was check steering fluid or the rack of pinion. Would the latter also cause a shutter in the front end between 65 and 75 MPH?
Monday, February 25th, 2008 AT 7:40 PM

6 Replies

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
I would expect it to be a tire balance issue on the higher speed problem. Do you mean vibration?
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Thursday, March 6th, 2008 AT 9:15 PM
Tiny
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5 oz is a heluva lot of weight and would be very suspicious of it.

Steering shaft should not have any relation to a vibration.

The rear brakes may it they are dragging at all.

Did you do the brakes? Does the emergency brake hold and fully release? The noise may or may not be an indiction of the vibration. What brands did you use?
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Friday, March 7th, 2008 AT 7:53 AM
Tiny
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I did not do the brakes myself. Don't know brands.
One outfit did front, and then during vehicle inspection my local mechanic did rear. I've had it back to both. The first place noticed a uneven wearing on the new pad but didn't make much of it. Then, the 2nd outfit replaced the pads with different brand. It was great for a while but the moan is back.
The emergency brake seems to be releasing okay.
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Friday, March 7th, 2008 AT 8:15 AM
Tiny
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I have seen so many crappy brake jobs by "professionals" that just don't make the grade. IF these were cleaned and lubed properly, they may hang up. Since both guys looked at them again, I would hope that it isn't the source.

Unven wear is a sign of not moving properly; may be lubrication, may be a bad caliper as a couple possibliblities.

You can try rotating the wheels so the bent rim is on the front left and see if the vibration seems worse. 5 ounces coupled with a bent rim isn't a good sign. Bent is relative though, I would have to see how bad to know better.
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Friday, March 7th, 2008 AT 10:39 AM
Tiny
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I just put on a different wheel from a junk yard. The balance weight was 2.5 oz. Most if not all of the vibration is gone. (By the way, I had a bad motor mount replaced prior to the wheel, which the mech. Thought might be the problem - that didn't help).
Regarding the original steering column noise, I learned there's a technical bulletin on it and it suggests the solution is replacing the "intermediate shaft". I may replace it or live with it.
Thanks for the help.
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Friday, March 7th, 2008 AT 12:00 PM
Tiny
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Cool, one problem down eh?

The steering shaft. To my klnowledge is strictly an annoyance not a safey concern. The original tsb said to lube the shaft. Which worked only temporarily.
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Friday, March 7th, 2008 AT 5:25 PM

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