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New brake calipers don't squeeze

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Old 03-25-2012, 06:09 PM
  #1  
lafd5246
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Default New brake calipers don't squeeze

hey all,

I am doing a t-bird reared swap and am at the point of bleeding the brakes. I got new calipers and a proportioning valve. I redid all the brake tubing from the master cylinder to the booster and all new from the rear banjo bolt to the calipers. I have no leaks and all lines are patent and I am getting fluid to the calipers. However, I am not getting fluid THROUGH the caliper on either side. As I said, they are both new calipers so I don't believe that is the problem. Does anyone know what might fix this? Do I need to unscrew the piston prior to installing? I am at a loss and could use any help I can get. Thanks in advance.
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Old 03-25-2012, 07:25 PM
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mattdel
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Nah, just keep on pumpin. Installing new lines front to back, you've introduced a mighty air lock. You need to do the two-man bleeding system, over and over.
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