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Old 08-09-2008, 01:50 PM   #1
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Does your car shake, or just the steering wheel?
I'm sorry hear about this snipe hunt of a problem you're having. Is there anyway it could be one of the rear wheels?

I find it odd that the steering rack would vibrate only at certain speeds. Then again, I'm hardly a mechanic.

Anyway, I hope that solves your problem.
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Old 08-10-2008, 07:07 AM   #2
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Rears have been balanced as well. The rears are due for new meats, so I'm thinking I may replace those and double check all the alignment #s before ordering and swapping the rack out.

Patrick
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Old 08-10-2008, 08:08 AM   #3
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Cool Brake issue

Wondering if any one has had this issue with there boxster. yesterday i changed my rear pads and rotors with BHP pads and after market rotors and i'm haveing rubbing noise it seems like something is rubbing on one of the moving coponents. Has anyone ever had this issue buy the way my boxster is a 1998 boxster.
Thanks
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Old 08-10-2008, 08:58 AM   #4
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Quote:
Originally Posted by bmwm750
Rears have been balanced as well. The rears are due for new meats, so I'm thinking I may replace those and double check all the alignment #s before ordering and swapping the rack out.
My car had some vibration when it was time to replace there rears, noticeable at various speeds. Definitely a smart move to take care of that first. It fixed my shakes.

antthe4th, use the search feature to find the answer you're looking for.
Or click here: http://www.986forum.com/forums/search.php
I did a search for "brake rubbing" and found this:
http://www.986forum.com/forums/search.php?searchid=523701
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Old 08-17-2008, 05:23 PM   #5
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Not sure this will help but I had a really bad vibration on the front right wheel and could not find the source. speed and slip angle were influencing the degree to which it could be felt. After a lot of searching, including the bearings we eventually found the front engine mount to be the culprit! replaced it and all vibrations were gone! In your case though my feeling goes towards the bearings...
Let us know when you pinpoint the cause!
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Old 08-17-2008, 07:05 PM   #6
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The FRONT ENGINE MOUNT was the cause of your vibration felt through the STEERING? Now I'm really scratching my head!!

As stated, I have replaced the bearings, the hubs, the hub carriers- everything except the steering rack up front. Its going in for new rear meats, one more balance on all wheels, going back on the alignment rack, and we'll see if that fixes anything.

While its up on the lift, I'll have a look at the engine mount apparently.

Patrick
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Old 08-17-2008, 08:18 PM   #7
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Actually, I think we can rule out the front engine mount. I just ran out to get groceries, and while driving I threw the car into neutral, with no change in vibration. I'll see have a look at it on the lift.

Patrick
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Old 08-20-2008, 05:51 PM   #8
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Quote:
Originally Posted by bmwm750
Actually, I think we can rule out the front engine mount. I just ran out to get groceries, and while driving I threw the car into neutral, with no change in vibration. I'll see have a look at it on the lift.

Patrick
Good for you! Yeah the vibration was mostly through the steering wheel and threw off everyone at the club that test drove the car while trying to help diagnose! Bearing was the most common suggestion... but wrong. I know how frustrating it is not to know what wrong and sympathize!
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