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Bay Window Steve
Samba Member
Joined: July 13, 2006
Posts: 280
Location: Van Alstyne, Texas
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 Posted: Sat Dec 30, 2006 2:01 pm Post subject: Brake fluid from the front of the MC? |
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I installed the new MC, with little problem, aside from the new seals not sealing the reservior to the MC as well as the old, but I just used the old, and its sealed up. Good thing they were in good shape. The problem is that when I went to pump the brakes and bleed them, the MC leaks brake fluid from the front. When the lever goes into the MC, its fine, but when you release the pedal, fluid comes out the front of the MC. What causes that, did I do something wrong, and how do I fix it?
Any help is great. I'm working on it now.
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'73 Transporter - Driver
'69 Deluxe
Member: WTKHABG
Original Air Cooler Member |
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86syncro
Samba Member
Joined: February 04, 2005
Posts: 162
Location: Lexington,KY
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| Posted: Sat Dec 30, 2006 5:27 pm Post subject: |
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It sounds like the new one you got is a dud.
I put an inexpensive rebuilt one on my 73' transporter and never had anything happen like what you describe. It sounds like the piston seal is leaking or the cylinder wall has a defect in it causing blow by.
Id just swap it out with another. Also, make sure that you do not have any fluid in your vaccum unit. My old MC leaked a bunch of fluid into the vaccum chamber. I had to pump the brake with the MC off to get it out.
This could be your problem as well. If fluid was in there before you replaced the MC, then it maybe leaking out now when you pump the brake. Your new MC may be good after all! |
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Bay Window Steve
Samba Member
Joined: July 13, 2006
Posts: 280
Location: Van Alstyne, Texas
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| Posted: Mon Jan 01, 2007 3:23 pm Post subject: |
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Hmm.. Shot MC. I was afraid that might be what it is. Guess I need to take it back off and trade it out for a new one.
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'69 Deluxe
Member: WTKHABG
Original Air Cooler Member |
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i_am_cool_fred
Samba Member
Joined: June 26, 2004
Posts: 1743
Location: Benton, AR
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| Posted: Tue Jan 02, 2007 9:31 am Post subject: |
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| Bay Window Steve wrote: |
| Hmm.. Shot MC. I was afraid that might be what it is. Guess I need to take it back off and trade it out for a new one. |
that lifetime warranty is about to take action. 
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proud owner of a defunct 1979 sunroof kombi
Brian Denning, as seen on Gearz TV |
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Bay Window Steve
Samba Member
Joined: July 13, 2006
Posts: 280
Location: Van Alstyne, Texas
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| Posted: Tue Jan 02, 2007 12:20 pm Post subject: |
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Apparently, and unfortunately. 
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'69 Deluxe
Member: WTKHABG
Original Air Cooler Member |
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