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squeal while rolling backwards
when I roll backwards out of my garage (downhill driveway) I get a squeal coming from the rear of the car. Happens at low speed, independent of clutch/tranny in or out or brakes on/off. Doesn't make the noise when rolling forward. What should I look at first, wheel bearing? Brake pad hanging?
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12-01-2002, 10:45 PM
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Registered
Join Date: Jun 2001
Location: Seattle, WA
Posts: 122
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Parking brake not fully releasing?
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Wade '88 930 Slant Coupe |
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12-01-2002, 11:19 PM
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Join Date: Jul 2001
Location: Lawrenceville GA 30045
Posts: 7,384
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BTDT - I'd expect you have a sticking piston.
On my 83, the PPI found the right rear rotor was dragging - ever so slightly. The mechanic recommended new pads/caliper rebuild - as the pads were worn down to about 3mm. A very short while after purchase, I started getting a squeal, only when backing down my sloped driveway. I ordered brake pads/caliper rebuild kits for all fours (from Pelican, of course). I noticed the right rear outside piston was rather stubborn upon removal, and had slight pitting/oxidation. After cleanup and rebuild, the squeal was gone.
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Mark '83 SC Targa - since 5/5/2001 '06 911 S Aerokit - from 5/2/2016 to 11/14/2018 '11 911 S w/PDK - from 7/2/2021 to ??? |
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12-02-2002, 07:00 AM
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1979 Porsche 911SC 3.0
