 Master Cylinder Push Rod Clearance |
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| yeahmag |
 Feb 19 2010, 03:47 PM
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#1
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Advanced Member  Group: Members Posts: 2,422 Joined: 18-April 05 From: Pasadena, CA Member No.: 3,946 Region Association: Southern California 
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I've been through my brakes a million times and I'm still not satisfied with the pedal height. I'm 99% sure everything is correct except the MC push rod. It feels like I have a good 1" of pedal travel before it touches the MC.
Anyone have an idea what the proper clearance procedure is? -Aaron |
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| McMark |
Feb 19 2010, 04:02 PM
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#2
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
The pushrod attached to the pedal is adjustable. There is a lock nut you loosen and then twist the rod to length/shorten it.
Attached image(s)  
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| yeahmag |
Feb 19 2010, 04:04 PM
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#3
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Advanced Member Group: Members Posts: 2,422 Joined: 18-April 05 From: Pasadena, CA Member No.: 3,946 Region Association: Southern California
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Thanks! Just didn't know what the value was. I'll check that it's 1mm.
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| Cap'n Krusty |
Feb 19 2010, 04:59 PM
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#4
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Cap'n Krusty Group: Members Posts: 10,794 Joined: 24-June 04 From: Santa Maria, CA Member No.: 2,246 Region Association: Central California |
You're gonna have to get down there and feel the play with the ol' Mk1 fingertips.
The Cap'n |
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| yeahmag |
Feb 19 2010, 05:01 PM
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#5
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Advanced Member Group: Members Posts: 2,422 Joined: 18-April 05 From: Pasadena, CA Member No.: 3,946 Region Association: Southern California
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Yeah... I'll try shoving my fingers through the AL board I have first and see if it's close or not. If I could get that free play at the top of the pedal down a bit I'd be happier...
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| McMark |
Feb 19 2010, 05:44 PM
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#6
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
If'n ya pay real close attention, you can push the pedal and feel the pushrod hit the MC plunger/piston. 1mm at the pushrod doesn't equal 1mm at the pedal, but you can make an approximation in your head.
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| yeahmag |
Feb 19 2010, 05:48 PM
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#7
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Advanced Member Group: Members Posts: 2,422 Joined: 18-April 05 From: Pasadena, CA Member No.: 3,946 Region Association: Southern California
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*Assuming* it's a 1.25mm thread pitch I could also run it in until it just touches and then back it off one turn.
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| McMark |
Feb 19 2010, 06:23 PM
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#8
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
Yup! (IMG:style_emoticons/default/thumb3d.gif)
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