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rollandburn's Avatar
 
Join Date: Oct 2007
Location: Toronto
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New brake pad install....forgot 20degree

Hi all, I did my first pad change last night and was guided by a friend who's done a few. Everything went smooth (except for a couple of cracked sensor housings) and took about 1 hour. This morning I realized that the words "20 degrees" didn't come out of either of our mouths. We just pulled the old pads, pressed out the pistons, inserted new pads. I did a bit of break-in and found no problems at all, works great.

Am I looking at imminent disaster not having aligned the pads at the specified 20 degrees? Should I go back in and do it again? What possible outcomes of not having done it?

Thanks

1985 911
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rollandburn1985 911 Carrera
Old 07-22-2008, 07:07 AM
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Join Date: Jun 2003
Location: California
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Just because you didn't set them to 20 degrees doesn't mean they're not at 20 degrees, they don't always rotate out of adjustment.
If they are off, the car will pull to one side and/or one or more wheels will lock up before the others.
If you can apply the brakes hard and there is no drama I wouldn't worry about it.
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1975 911S G50 3.5 Twin Turbo
Old 07-22-2008, 08:34 AM
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Are you talking about the pistons?
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1981 UK 930. G50/01 shortened, 964 3.8RS Fibreglass Body Kit, 18" Alloys 8.5" F & 10" R, 225's F & 285's R, Special Colour Metallic Blue Paint, FIA Sparco Evo's, A/C and Air Pump removed, Electronic Boost Controller, GHL Headers, Tial46 WG.
Fitting - New service kit.
Needs Fitting - Innovate XD-16 Kit, Kokeln IC. Stephen's K27 HFS, EVO Intake Assy & his Modded USA Fuel Head.

1983 UK 911 3.2 Carrera Sport Coupe. Black, Black Leather with Red Piping, Black Alloy Gear Knob, K&N Air Filter Element, Turbo Tie rods.
Needs Fitting - K&N CO Sensor, Round A/F Dial Gauge, Factory Short Shift Kit.

http://www.danasoft.com/sig/Iamnotanumber.jpg
Old 07-22-2008, 11:23 AM
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If you just swapped the pads, you should be OK; assuming you didn't turn the caliper pistons while pushing them back in.
Old 07-22-2008, 11:39 AM
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thanks for the replies. I think I confused myself by reading too much.... I've been mixing info from a caliper rebuild into the pad replacement project. I feel better now. =]

For anyone else interested....

Brake Pad Replacement
http://www.pelicanparts.com/techarticles/911_brake_pads/911_brake_pads.htm

Caliper Rebuild
http://www.pelicanparts.com/techarticles/911_caliper_rebuild/911_caliper_rebuild.htm
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rollandburn1985 911 Carrera
Old 07-22-2008, 12:09 PM
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