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Disc brake drag #689889
05/05/10 11:24 PM
05/05/10 11:24 PM
Joined: Mar 2009
Posts: 112
Auburn Hills, Michigan
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kieron_kohlmann Offline OP
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kieron_kohlmann  Offline OP
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so i have wilwood disc brakes up front, and i am experiencing brake drag. I removed the residual valve from the master cylinder, as well and taking out the proportioning valve and hard lining everything in. Any ideas why this would still drag?

Re: Disc brake drag [Re: kieron_kohlmann] #689890
05/06/10 12:08 AM
05/06/10 12:08 AM
Joined: Dec 2003
Posts: 5,314
Carstairs, Alberta, Canada
dave571 Offline
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dave571  Offline
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Please descibe this "drag"

If you mean you have a hard time turning the wheel by hand, This is kinda normal, and you are likely chasing a ghost.

If it is actually stopping the car, or making a situation where it won't roll, or you need to honk on the gas to move it, this is an other issue entirely.

Re: Disc brake drag [Re: kieron_kohlmann] #689891
05/06/10 12:12 AM
05/06/10 12:12 AM
Joined: Jul 2008
Posts: 610
Boise
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Moparteacher Offline
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Moparteacher  Offline
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Boise
Improperly adjusted brake pedal pushrod...?

Re: Disc brake drag [Re: dave571] #689892
05/06/10 12:19 AM
05/06/10 12:19 AM
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Posts: 112
Auburn Hills, Michigan
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kieron_kohlmann Offline OP
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my definition of brake drag is where the brake feels like it partially on which it is.

Re: Disc brake drag [Re: kieron_kohlmann] #689893
05/06/10 12:24 AM
05/06/10 12:24 AM
Joined: Dec 2003
Posts: 5,314
Carstairs, Alberta, Canada
dave571 Offline
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dave571  Offline
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That is a good definition, but my question adresses the severity of this drag. It might shed some light on what the problem is.

If you want some help, maybe give some more info, and less attitude.

As mentioned, push rod length can be an issue. On most models this can be adjusted.

Re: Disc brake drag [Re: kieron_kohlmann] #689894
05/06/10 12:53 AM
05/06/10 12:53 AM
Joined: Nov 2004
Posts: 9,312
SoCal
68HemiB Offline
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You describe chasing the drag upstream in the hydraulic system.

Is this because you have already done a crack-open-the-bleeder test, and find that doing so releases the drag?

If you have NOT yet done this test, you might consider it. If it's not a hydraulic issue, you need to spend time looking at the calipers and how they are sliding.


Down to just a blue car now.
Re: Disc brake drag [Re: 68HemiB] #689895
05/06/10 10:31 AM
05/06/10 10:31 AM
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Posts: 112
Auburn Hills, Michigan
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kieron_kohlmann Offline OP
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You are correct. I did try cracking the bleeders and it releases the brakes. Another note is that these are not floating calipers. Their 4 piston fixed.







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