Vibration @ 65
#12
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Originally Posted by Archon
There'* a TSB for the moan in the steering also, but it only shows for model years 00 & 01.
#13
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I'm one guy who has posted often and with detail about this vibration problem. I've tried just about everything under the sun... 3 sets new tires (including original RSA'*, 2 new sets Pirelli P Zero Nero'* (under warranty), and my latest Kuhmo ASX'* (have these on my '95 Vette, my wife'* GA GT; both smooth as glass, and this '01 SSEi.), suspension check, rear shock mounts, 4-wheel alignment, rotation every 5k miles, wheel runout check, rotor runout check, shock check, McPherson strut check.... crap I even removed my locking lug nuts which appeared significantly heavier than the remaining stock lug nuts. Little help; well, I must admit that before yesterday'* rotate and rebalance dumping the locking lug nuts did more to reduce the vibration than everything else I've done; can you believe that?!
Yesterday I did my 3rd 5K miles rotation on the new Kuhmo'*. The dealer rebalances automatically every time they rotate. Well, they rebalanced (using non-Hunter Road Force) and lo and behold (Christmas phrase) the vibration was reduced about 98%. I think it was luck; the next balance could go back the other way. I say that because I feel certain that the late model Bonne'* develop a harmonic vibration. This could be due to a number of different suspension part tolerances that are within limits individually but collectively lead to vibration under certain road conditions. I find this especially convincing on the less compliant SSEi suspension. Enough said by me for now.............................................
Yesterday I did my 3rd 5K miles rotation on the new Kuhmo'*. The dealer rebalances automatically every time they rotate. Well, they rebalanced (using non-Hunter Road Force) and lo and behold (Christmas phrase) the vibration was reduced about 98%. I think it was luck; the next balance could go back the other way. I say that because I feel certain that the late model Bonne'* develop a harmonic vibration. This could be due to a number of different suspension part tolerances that are within limits individually but collectively lead to vibration under certain road conditions. I find this especially convincing on the less compliant SSEi suspension. Enough said by me for now.............................................
#14
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True Car Nut
Intermediate shaft TSB.
http://www.bonnevilleclub.com/forum/...ic.php?t=61603
Steering moan.
http://www.bonnevilleclub.com/forum/...ic.php?t=59738
http://www.bonnevilleclub.com/forum/...ic.php?t=61603
Steering moan.
http://www.bonnevilleclub.com/forum/...ic.php?t=59738
#15
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Originally Posted by Archon
Intermediate shaft TSB.
http://www.bonnevilleclub.com/forum/...ic.php?t=61603
Steering moan.
http://www.bonnevilleclub.com/forum/...ic.php?t=59738
http://www.bonnevilleclub.com/forum/...ic.php?t=61603
Steering moan.
http://www.bonnevilleclub.com/forum/...ic.php?t=59738
#17
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[quote="compyelc4"]dumping the locking lug nuts did more to reduce the vibration than everything else I've done; can you believe that?!
quote]
How much heavier are the locking nuts? I can see that it'* something that'* not being balanced with the wheel assembly and can add an off balance at higher speeds. I've had wheels that were corrected with a 1/4 ounce that quieted down when rebalanced.
I find it unlikely that Road Force balancing wasn't as good as standard dynamic balancing...
quote]
How much heavier are the locking nuts? I can see that it'* something that'* not being balanced with the wheel assembly and can add an off balance at higher speeds. I've had wheels that were corrected with a 1/4 ounce that quieted down when rebalanced.
I find it unlikely that Road Force balancing wasn't as good as standard dynamic balancing...
#18
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My Bonnie had a vibration issue which was noticable in the steering wheel and dashboard between 65-75 mph. I had Affinity LH30 tires from Firestone that were only 3 months old with about 1500 miles on them. Firestone checked the balance and alignment as well as rotating the tires with no improvement. Firestone decided to replace the tires with FR710'* which reduced the vibration 95% which is liveable.
#19
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Excellent topic, folks. Very informative. Let'* make sure we post the conclusions and follow-ups on all these.
Moaning from the front left could also very well be a hub assembly. They are somewhat prone to early failure in the 2k'*.
Moaning from the front left could also very well be a hub assembly. They are somewhat prone to early failure in the 2k'*.
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