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fpeck1948
Samba Member
Joined: January 01, 2013
Posts: 168
Location: Ohio
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 Posted: Mon Apr 15, 2013 9:18 am Post subject: Brake master cylinder pushrod |
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Trying to disconnect the brake master cylinder pushrod from the pedal assembly and per Haynes and Bentley there should be a clip.
The screw driver shows something, but no way to grab ahold of it and remove it and I cant determine if this is the clip or not.
Any tips on how I get this disconnected?
Any help on this would be greatly appreciated.
Thanks
Frank
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vaughn bros.
Samba Member
Joined: October 13, 2003
Posts: 2398
Location: Hickory, NC
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| Posted: Mon Apr 15, 2013 2:30 pm Post subject: |
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fpeck1948
Samba Member
Joined: January 01, 2013
Posts: 168
Location: Ohio
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| Posted: Mon Apr 15, 2013 4:17 pm Post subject: Thanks |
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I appreciate the photo, but please believe me when I say I like to think of myself as a fairly smart person, but I have followed Bentley and Haynes and your photo and for the life of me I can not find a clip "anywhere" on this pedal assembly.
I have looked under the spring, around everything and I can not for the life of me figure this out. In this photo there is nothing under the pedal which would remotely be a clip, c-clamp etc.
In this pic there is a skinny washer where the screw driver tip is pointing, but no way in which to pull it off and assume it is a thin washer of some sort.
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I have even tried with a small vise grip to attach and turn the post which is supposed to come out (as in your photo) after my "mystery clip" is located, but it will not turn at all. It is the small lip left of the first spring coil.
I appreciate all of the help, but I really cannot find this clip and if I did, I don't know how I would get the post out, since I cannot turn it even with vise grips.
Thanks
Frank |
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KTPhil 
Samba Member
Joined: April 06, 2006
Posts: 35849
Location: Conejo Valley, CA
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| Posted: Mon Apr 15, 2013 4:35 pm Post subject: |
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The Samba Gallery is full of help!:
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Cusser
Samba Member
Joined: October 02, 2006
Posts: 33047
Location: Hot Arizona
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| Posted: Mon Apr 15, 2013 5:18 pm Post subject: |
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Not sure you stated WHY you want to disconnect the MC pushrod...anyway, if my memory serves, I have R&R'd the pedal assembly leaving the brake pushrod on the pedals, just slipping it out of the master cylinder after unbolting the pedal assembly from the tunnel.
_________________
1970 VW (owned since 1972) and 1971 VW Convertible (owned since 1976), second owner of each. The '71 now has the 1835 engine, swapped from the '70. Second owner of each. 1988 Mazda B2200 truck, 1998 Frontier, 2014 Yukon, 2004 Frontier King Cab. All manual transmission except for the Yukon. http://www.thesamba.com/vw/forum/album_page.php?pic_id=335294 http://www.thesamba.com/vw/forum/album_page.php?pic_id=335297 |
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vaughn bros.
Samba Member
Joined: October 13, 2003
Posts: 2398
Location: Hickory, NC
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| Posted: Mon Apr 15, 2013 5:25 pm Post subject: Re: Thanks |
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| fpeck1948 wrote: |
I appreciate all of the help, but I really cannot find this clip and if I did, I don't know how I would get the post out, since I cannot turn it even with vise grips.
Thanks
Frank |
May want to remove your pedal assy so you can get a better approach on the pin. It may be stuck. Also your pin retaining clip is somewhat missing more or less. Dont look for it anymore because your pin "head" is already exposed.
Last edited by vaughn bros. on Mon Apr 15, 2013 5:32 pm; edited 1 time in total |
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fpeck1948
Samba Member
Joined: January 01, 2013
Posts: 168
Location: Ohio
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| Posted: Mon Apr 15, 2013 5:26 pm Post subject: Thanks |
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What is the procedure for pulling the push rod tube out of the M/C while attached to the whole assembly? I know nothing about how it hooks to the M/C and was afraid to start pulling and yanking on some I don't know about. I keep reading about not messing with the M/C and adjustments.
Thanks and your are saving my 3rd heart attack if you can help,
Frank |
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Pooks
Samba Member
Joined: February 02, 2012
Posts: 28
Location: new Zealand
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| Posted: Mon Apr 15, 2013 5:36 pm Post subject: |
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| its not attached to the master cylinder it just sits inside the front part so pulling it out will cause no hard, ther adjustment is done at the pedal end so that wont change either. |
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vaughn bros.
Samba Member
Joined: October 13, 2003
Posts: 2398
Location: Hickory, NC
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| Posted: Mon Apr 15, 2013 5:36 pm Post subject: Re: Thanks |
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| fpeck1948 wrote: |
What is the procedure for pulling the push rod tube out of the M/C while attached to the whole assembly? I know nothing about how it hooks to the M/C and was afraid to start pulling and yanking on some I don't know about. I keep reading about not messing with the M/C and adjustments.
Thanks and your are saving my 3rd heart attack if you can help,
Frank |
The M/C end of the pushrod is "rounded" and not attached to anything. It just sits in a "cupped" socket. Technically, you could drink 9 beers and close yours eyes, and remove and reinsert it correctly without fear of anything. |
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fpeck1948
Samba Member
Joined: January 01, 2013
Posts: 168
Location: Ohio
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| Posted: Tue Apr 16, 2013 8:23 am Post subject: Re: Thanks |
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| vaughn bros. wrote: |
| fpeck1948 wrote: |
I appreciate all of the help, but I really cannot find this clip and if I did, I don't know how I would get the post out, since I cannot turn it even with vise grips.
Thanks
Frank |
May want to remove your pedal assy so you can get a better approach on the pin. It may be stuck. Also your pin retaining clip is somewhat missing more or less. Dont look for it anymore because your pin "head" is already exposed.
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Thanks to all for the help and advice and I was able to pull the pedal assembly out as instructed.
As the Vaugh Bros hand drawing shows, it is not really a clip, but a device which looks to be bent over the shaft and to the backside of the pin to hold it in place.
It looks like the PO some how secured the pin in place to the brake arm (locktite or something) and ground off the part which is supposed to go over the top and bent down again the pin face to keep it in place. See below and as you can see the part to the left has a flat top which has been ground down flat, allowing for no piece to go across the arm and bend dow to hold the pin. Once I got the assembly to the workbench in was about with a vise grip to break the pin loose from the pedal and remove the pin and so called clip.
Now the question is where can I find a clip as in the hand drawing above in order to secure the pin and put everything back together again.
Again I was to thank everyone who posted back to my and I appreciate the advice and help tremendously.
Thanks again,
Frank
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Joey
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Joined: August 12, 2005
Posts: 5375
Location: Nova Scotia - Canada
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fpeck1948
Samba Member
Joined: January 01, 2013
Posts: 168
Location: Ohio
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| Posted: Tue Apr 16, 2013 11:59 am Post subject: Thanks for the help |
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All of the help, from so many people, has been truly great and I really appreciate it.
I found the part needed, but rather than spend a $1.25 for the part and $8.00 shipping, I made one myself and an extra one for my in car tool bag.
You guys are all top notch and thanks,
Frank |
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CWayne24
Samba Member
Joined: January 18, 2012
Posts: 10
Location: Hudson nc
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| Posted: Tue Apr 16, 2013 3:59 pm Post subject: |
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| I may be wrong but your push rod looks bent |
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KTPhil
Samba Member
Joined: April 06, 2006
Posts: 35849
Location: Conejo Valley, CA
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| Posted: Tue Apr 16, 2013 4:12 pm Post subject: |
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Yes, and I would at least straighten it, but preferably replace it so it isn't weak from fatigue.
Also, read up on setting the pedal stop plate and pushrod length (in that order).
Last edited by KTPhil on Wed Apr 17, 2013 8:00 am; edited 1 time in total |
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oldvolkz
Samba Member
Joined: September 28, 2005
Posts: 321
Location: Hollister, Califaztlan
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| Posted: Tue Apr 16, 2013 8:57 pm Post subject: Re: Thanks for the help |
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| fpeck1948 wrote: |
All of the help, from so many people, has been truly great and I really appreciate it.
I found the part needed, but rather than spend a $1.25 for the part and $8.00 shipping, I made one myself and an extra one for my in car tool bag.
You guys are all top notch and thanks,
Frank |
i made my own to once. easy part to manufacture with the simplest tools.
great job
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"if you want peace, you must work for justice" |
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Jody '71
Samba Member
Joined: July 16, 2005
Posts: 2842
Location: Manassas VA
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| Posted: Thu Apr 18, 2013 3:27 am Post subject: |
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While you have the pedal assembly out, check for wear on the hook and the cable eyelet. Replace clutch pedal shaft and clutch cable if need be. Grease entire length of cable as you re-install it and the eyelet and hook connection. I would replace that pushrod.
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