Since purchasing my '00 SSEi, I've had a noticeable shaking when going 70-75mph on the highway. It only seems to occur when turning the wheel toward the right, but I believe I've felt it slightly while going straight or turning the other way.
I noticed early on that my driver's side CV joint was throwing grease everywhere, so I replaced the axle yesterday. The shaking still continues.
Tires wear even, no other noticeable issues observed. Any ideas?
Shaking at highway speeds
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jedwards83
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Shaking at highway speeds
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bonnevillain
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Re: Shaking at highway speeds
This is a common problem on the 00+ models. I've had it for a while now and new tires or brakes did not help.
viewtopic.php?f=18&t=20161&hilit=70+shimmy
viewtopic.php?f=18&t=20712&hilit=70+shimmy
viewtopic.php?f=18&t=20161&hilit=70+shimmy
viewtopic.php?f=18&t=20712&hilit=70+shimmy
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02ssei
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Re: Shaking at highway speeds
I've been curious about the cv axles myself. The reason is that I was told the ssei has a different shaft than the se. I think it is weighted. If so, I wonder if someone put on by mistake. Any thoughts?
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00Beast
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Re: Shaking at highway speeds
It's not the weight that's different, it's the length of the passenger side axle-shaft. Neither will physically fit in the other. The driver's side axles are the same.
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Re: Shaking at highway speeds
Gonna ask the obvious since you didnt state it, but have you had your tires balanced recently?jedwards83 wrote:Since purchasing my '00 SSEi, I've had a noticeable shaking when going 70-75mph on the highway. It only seems to occur when turning the wheel toward the right, but I believe I've felt it slightly while going straight or turning the other way.
I noticed early on that my driver's side CV joint was throwing grease everywhere, so I replaced the axle yesterday. The shaking still continues.
Tires wear even, no other noticeable issues observed. Any ideas?
But yes it is a common thing to have a shimmy shake at those speeds.
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2003BlackSapphireSLE
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Re: Shaking at highway speeds
jedwards83 i had the same issue on my 03 bad. i also tried everything to no avail. assuming your front end is tight, clean the hub, rotor and wheel flange mating surface clean, then balance the tires and torque lug nuts to 100 ft lbs. this is what i did and cured all problems for good. try it!
2003 Pontiac Bonneville SLE - Sylvania Silverstar Fog lights, 5000k HID conversion low beams, Disabled DRL, cranking headlight delay kit, GXP style exhaust tips, solid front mount. Approx. 86k miles and still kickin strong!


