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Old 60's Porsche Tech
Join Date: Jan 2009
Posts: 369
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1987 carrera checking rear wheel bearings?
What is the method of checking rear wheel bearings condition without pulling them. 96k on car and going to be doing a lot of touring. No excessive noise or symtoms at this time. Thanks
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1987 911 Cab TRE engine  1952 356A sold  ,1960 356B totaled hit by drunk totaled  1979 911 sc Targa sold,1984 911 3.2 Targa sold,1985 911 3.2 Coupe sold 1987 3.2 coupe sold to my son PARTS ENDLESS WORK $$$$$ PREPARING and driving your PORSCHE anywhere with confidence PRICELESS!!
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11-06-2016, 07:08 AM
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Member 911 Anonymous
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Find a road with a burm, drive up and down the side slowly, keeping the car parallel to the burm.
If bearings are shot, you will hear a "clunk", as this method will put severe stress on the bearings which will verify failing or failed bearing. For the driverside, make sure road is safe not traffic and do the same. The other way would be a an abrupt turn from stop, does not always work as level of stress may vary depending on how much load you put on the bearings.
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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11-06-2016, 07:17 AM
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Registered
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Jack up the rear of the car, and push/pull the rear wheel at 12 and 6, and then again at 9 and 3. There should be no play.
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If it flows, it goes. If its smooth, it moves. Any questions? 96 993 C2 (Current) 87 911 Factory Turbo-Look Cab (Sold) 85 911 Factory Turbo-Look Targa (Gone) |
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11-06-2016, 08:15 AM
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Member 911 Anonymous
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^^^, that is a definite way but by that time it will be pretty obvious bearing is gone and you would get a constant whirling sound at the rear/s.
When they start going bad, it will not move when car is raised. Ask me how I know.
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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11-06-2016, 11:08 AM
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Registered
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I would also take a good look at the CV joints. Rob
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11-06-2016, 12:11 PM
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Marble Grey
1987 Porsche 911 3.2
1973 Porsche 911S
