Is there a quick way to check the rear wheel bearings? |
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Is there a quick way to check the rear wheel bearings? |
SirAndy |
Aug 11 2009, 11:41 AM
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#1
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Resident German Group: Admin Posts: 41,815 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
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jcd914 |
Aug 13 2009, 01:08 PM
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#2
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Advanced Member Group: Members Posts: 2,081 Joined: 7-February 08 From: Sacramento, CA Member No.: 8,684 Region Association: Northern California |
Do you have a limited slip diff? Porsche LSD without the proper gear oil or additive can be noisy. When you turn to load the suspension one side or the other you also force the diff to work. That said, your description does sound like wheel bearings to me and I suspect you put some hefty side loads on the rear suspension. If you can put it up on a rack and run it in gear and listen with a stethoscope you will probably find 1 side louder that the other. This takes at least 2 people, 1 in the driver seat a 2nd to listen, if you have a 3rd to watch for safety hazards, could save you from lifting you head into a hot header or such. Of course up on a lift changes the load on the bearings and they maybe quiet the. You will also get a lot of other noise and vibration so it can be a challenge to sort out. Spin up the wheels and then put in neutral and shut off the engine and listen as the wheels coast down. I know this does not count as an easy method and it does not even work all the time but it is something you can do short of replacing both rear bearings. Good Luck Jim |
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