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Brake Question- locking-up and doing a little wiggle
Recently rebuilt the front calipers as Goldie was taken out of 6yr storage and pulling to the left during hard braking. She stops evenly now, however, when she locks up, she gives a little wiggle...
Anyone know what's up with that? Thanx in advance for your help! |
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05-17-2010, 07:51 PM
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Diss Member
Join Date: Jul 2002
Location: SC - (Aiken in the 'other' SC)
Posts: 5,020
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A wiggle in what? Not much to guess on here.
Also what year and what tires? (How old are those tires?)
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- "Speed kills! How fast do you want to go?" - anon. - "If More is better then Too Much is just right!!!" - Mad Mac Durgeloh -- Wayne - 87 Carrera coupe -> The pooch. |
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05-18-2010, 02:46 AM
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Join Date: Jan 2009
Location: Germany
Posts: 1,239
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Was the road wet or cambered slightly. Could just be the road conditions and not necessarly the suspension. The calipers might show uneven wear or could also be sticking. Tire wear might even cause instability especially if you have a flat spot after six years storage. IŽd put new tires on and start from there
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05-18-2010, 03:19 AM
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Registered
Join Date: Oct 2002
Location: St. Louis region
Posts: 3,147
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One dragging caliper can cause that - pre-warmed, grips quicker than the cold one.
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Deceased: Black '88 Carrera Coupe, Steve Wong and Russell Berry chips, Dansk premuffler, custom MK GT3-style muffler, Magnecores. Al Reed 7 & 8 X 16 Fuchs. Full Elephant Racing suspension, 21/28 T-bars, Turbo tierods, bump steer kit, Bilstein Sports, BK strut bar. Ruf bumpers, 935 mirrors, Carrera 3.0 tail, DasSport bar. '11 BMW 328iX, '18 Nissan Frontier 4X4, '92 Acura NSX. |
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05-18-2010, 04:17 AM
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Registered
Join Date: Mar 2005
Location: Northern CA
Posts: 4,703
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might want to check weight balance, I've had calipers that don't retract very well but they seem to get pushed back while driving, that's my 2 cents. Check all the easy stuff first: tire pressures, clean/inspect disks, pads
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05-18-2010, 05:36 AM
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Registered
Join Date: Jan 2008
Location: Gastonia, NC
Posts: 666
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You might need more toe-in the rear tires. Under hard braking you induce a toe-out condition. This will cause the tail to wiggle.
__________________
1989 911 Carrera Cab 25th Anniversary Edition Euro Pre-Muffler, SW Chip There's nothing better than: Listening to "Going Down the Road Feeling Bad" ,as I, "Go Down the Road Feeling Bad" |
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08-25-2013, 07:18 PM
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porsher
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Quote:
A little more toe-in helped a lot.
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86 911 Race Car, with a few 993 bits in the boiler room 79 928 Race Car 88 928 Becoming a Race Car |
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08-26-2013, 07:21 AM
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Goldie
