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Old 09-05-2009, 12:02 PM   #1
SHORTBED HARDHEAD
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Join Date: Apr 2008
Location: Houston, Texas
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Unhappy Brake problems...

MY NEIGHBOR HAS A 68-GMC THAT HE HIS WORKING ON FOR A CUSTOMER, AND IT HAS NEW WHEEL CYLINDERS ALL THE WAY AROUND, NO LEAKS, BUT HE HAS WENT THROUGH 6 MASTER CYLINDERS, NEW FROM THE PARTS HOUSE, BENCH BLED THEM ALL PRIOR TO INSTALLATION, AND I HELPED HIM BLEED THEM AFTER THEY WERE PUT ON. STILL GOES ALMOST TO THE FLOOR ONCE BLED. WE FIGURE THE MASTER CYLINDER IS ALL IT CAN BE, BUT GETTING 6 BAD ONES? WE WOULD REALLY APPRECIATE ANY FEEDBACK ON THIS FROM YOU GUYS.

THANKS,

SHORTBED HARDHEAD..HOUSTON
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Old 09-06-2009, 03:27 PM   #2
lolife99
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Location: Mid-MO
Posts: 22,700
Re: Brake problems...

Are you getting good fluid at each corner with no air in the lines?
Are the shoes adjusted out enough?
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Keith

Convert to disc brakes.
http://67-72chevytrucks.com/vboard/s...d.php?t=444823
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Old 09-06-2009, 04:45 PM   #3
roofingbloke
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Re: Brake problems...

I have just had the very same problem, it would lock up the brakes but the pedal was allmost on the floor, It turned out that i had been sent the wrong bore inside the master cylnder,
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