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Joined: Apr 2010
Posts: 27
Grease Monkey
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Grease Monkey
Joined: Apr 2010
Posts: 27 |
I replaced everything on my '51- new lines, master cylinder, wheel cylinders...and when I press down on the brake it doesnt return in fact the pads move out fine but it seems like nothing returns, even at all the wheel cylinders.
Malcolm M
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Joined: Oct 2009
Posts: 1,294
ChatMaster - 1,000
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ChatMaster - 1,000
Joined: Oct 2009
Posts: 1,294 |
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Joined: Apr 2010
Posts: 27
Grease Monkey
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Grease Monkey
Joined: Apr 2010
Posts: 27 |
Malcolm M
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Joined: Apr 2008
Posts: 1,194
ChatMaster - 1,000
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ChatMaster - 1,000
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Do you have the brake pedal return spring connected?
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Joined: Feb 2011
Posts: 3,136
ChatMaster - 3,000
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ChatMaster - 3,000
Joined: Feb 2011
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Did you try loosening the master cylinder cap...Perhaps it's not venting...?
1947 Fleetmaster Sport Coupe VCCA # 47475
If it's not wearing a Bowtie...It's not properly dressed...!
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Joined: Dec 2009
Posts: 1,135
ChatMaster - 1,000
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ChatMaster - 1,000
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Remove the master cylinder fill cap and look down inside and see if the fluid return hole is not stopped up or blocked. It's the larger hole, Don't drill it bigger! it's a stepped hole, it's big on the top and it step's down to a very small hole at the bottom.
You might poke a very fine wire down it to see if it is open.
If that hole is blocked the fluid cant return to the reservoir and the brakes will stay locked.
Good Luck.....ED
I was only wrong one time in my life so far. But that time I was right, and only thought I was wrong....ED
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Joined: Feb 2002
Posts: 1,178
ChatMaster - 1,000
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ChatMaster - 1,000
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Check the toe board adjustment, pedal travel may not be enough to open the return port. 
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Joined: Jul 2002
Posts: 348
Backyard Mechanic
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Backyard Mechanic
Joined: Jul 2002
Posts: 348 |
I replaced every thing on brakes on my '41. When I applied the brake pedal the right front wheel bands would not retract. Just like ED1938 said it was the hole in the master cylinder being stopped up. Apparently mine was partially rusted shut since only my right front wheel was affected. It is the farthest away from the master cylinder. JIM
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Joined: Apr 2010
Posts: 27
Grease Monkey
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Grease Monkey
Joined: Apr 2010
Posts: 27 |
One thing I found is that the pedal shaft was dragging on the hole in the toe board. Its like the mounting holes in the new master cylinder are off just a tiny fraction to throw it off center. I pulled the pedal assembly back out and "adjusted" it in my press and now its fitting properly. I just need to put the drums back on and try the pedal again to see if that made the difference.
Malcolm M
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