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  #1  
Old November 3rd, 2008, 06:35 PM
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Default repairing wheel cylinders

Well, I took apart both rear brakes, cleaned up everything. The wheel cylinders (stock) were somewhat sticky, but with a bit of honing I got them looking pretty good inside. The rubber parts are very pliable and not torn or weather checked (I didn't use anything toxic or petroleum based to clean the rubber parts). The pistons slide easily inside.

Is it possible to reuse these, or will they leak like a sive as soon as I get everything back together? I went thru the thread archives and didn't see much in the way of rebuilding these, only to replace them.

I'm sure someone has tried this method.

Scott
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Old November 3rd, 2008, 10:30 PM
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I would take the rubber pieces down to your local parts store and match up some new ones. You generally just need to match up the outside diameter, and they will interchange. Considering the amount of work to take it apart again, etc. as well as the safety factor, . I wouldn't recommend re-using the rubbers. The wheel cylinders, if they honed out good, should be fine, make sure you clean out the bleeder screws so they will work well when you go to bleed them. ...
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Old November 3rd, 2008, 10:56 PM
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I have a box of new old stock wheel cylinder rubbers. The look good and flexible. If you want some you can have them for postage. Let me know.
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Old November 4th, 2008, 06:57 AM
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You can reuse the old rubber parts. However, it is the edge of them that seals. If the edges are pitted or just feel ruff to the touch, go buy some new ones. They are a very common size and most auto parts stores should have them for around $5.00 per set.
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Old November 4th, 2008, 06:25 PM
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The old timer at the auto place machine shop looked at the cylinders and said I'd be asking for it if I tried to reuse them. They might work, they might not. He said to bite the bullet and get new ones.

Unless I like to take the brakes apart all the time.

Keeping it running and stopping it are the two most important things I guess, so I shant not skip corners with either.

Scott
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Old November 4th, 2008, 07:30 PM
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Quote:
Originally Posted by fishtail View Post
The old timer at the auto place machine shop looked at the cylinders and said I'd be asking for it if I tried to reuse them. They might work, they might not. He said to bite the bullet and get new ones.

Unless I like to take the brakes apart all the time.


My kinda guy!

Just hit the local auto parts store and do the Ford E-350 wheel cylinder conversion. Takes about an extra 5 minutes per wheel to enlarge the mount holes and gives you the peace of mind knowing you'll stop when you want to.
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Old November 5th, 2008, 10:58 AM
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The old-timer I go to for advise says, "you don't have to GO, but you HAVE to STOP!".
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Old November 6th, 2008, 10:45 AM
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gimp, he ever ride in a 715?????? Ha,ha.
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Old November 6th, 2008, 09:22 PM
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Nope, but he loved driving the 725 AND the deuce.
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