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Old 08-29-2020, 12:15 PM   #21
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to isolate the noise of the drivetrain (engine/transmission) from the chassis, find a long downhill, turn off the engine and let it coast downhill if the noise still there is chassis related most likely a bearing or a sticking caliper...
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Old 08-29-2020, 02:32 PM   #22
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So I found today on my drive that when the car is turning to the left on a curve or such the noise and vibration almost goes away. When going to the right it gets worse. Only enough worse though that I haven't noticed it until actually paying attention to it. Any ideas based off of this new information? ALSO... thanks so much to everyone that has responded and helped. I am continually amazed by the helpfulness and friendliness of the Porsche community.
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Old 08-29-2020, 02:36 PM   #23
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Originally Posted by 519AutoTech View Post
To eliminate possible wheel bearing issues, simply swerve left and right while driving with the noise present. If the sound changes, its wheel bearings. If the sound remains constant, its in the drivetrain or wheels/tires. Hope you resolve the issue
Just did this, noise almost stops completely when slightly turning to the left. Gets worse when turning to the right. Does this mean rear driver side wheel bearing is bad?
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Old 08-29-2020, 03:23 PM   #24
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Just did this, noise almost stops completely when slightly turning to the left. Gets worse when turning to the right. Does this mean rear driver side wheel bearing is bad?
Do both. At this mileage, you're going to do both eventually anyway. This is a driveway job if you're handy. Wheel bearings are under $50 each. Pull your wheel hub and press out the bearing. If you don't have a press, go to a garage or auto parts store and have them press out the old and in the new. Not bad.
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Old 08-29-2020, 07:12 PM   #25
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Way to use your senses.
See, hear, feel, smell, taste, your car when you drive it.
Then you start to sense things before they happen.

Now you have a direction to go.
Replacing bearings is not hard.
Let us know how things turn out.
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Old 08-31-2020, 04:34 AM   #26
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Originally Posted by RA1 View Post
Just did this, noise almost stops completely when slightly turning to the left. Gets worse when turning to the right. Does this mean rear driver side wheel bearing is bad?
It sounds like a left side bearing for sure. As to which one, you may have to use your "senses" as someone mentioned
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Old 08-31-2020, 08:12 AM   #27
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By removing the drive shafts you would be able to replace the bearings in site (without having to remove the hub) this way you will minimize the risk of damaging the ball joint rubber boot and the need to realign the rear axle.

You may want to borrow a wheel bearing removing tool or borrow a sledge hammer from Autozone (it will be a workout...)

Please note that the bearings have a magnetic strip on one end (for the ABS) and you want to install them the proper way, I learned about this the hard way..

Good luck

Last edited by Gilles; 08-31-2020 at 12:35 PM. Reason: Spanglish..sorry
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Old 08-31-2020, 09:31 AM   #28
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Originally Posted by 519AutoTech View Post
It sounds like a left side bearing for sure. As to which one, you may have to use your "senses" as someone mentioned
Easiest way to do this is to drive next to a wall at night when it's quiet outside, the wall will bounce the sound back to you louder on the bad side bearing.

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