Joe,
First isolate the front from the rears by disconnecting the rear line from the
brass cross block
and block the hole with a bolt. Now bleed the fronts and confirm they stay
firm.
If they are OK then reconnect the rear line.
I'm beting the problems are in the rear.
Be sure to tighten up the adjusters in each drum (the little thingy that moves
the shoes out towards the drum)
before you bleed the rears. If they are too loose you'll get nowhere. Tighten
them all the
way out while you bleed then re-adjust after you are done.
It is best to also do the rear upgrade to the later dual acting pistons as well
when you go to a 3/4 master.
It's a bit more work but worth the effort. You'll need everything in the
drums, rear backing plates, brake lines,
and emergency brake linkage from a later axle.
You will also need to machine of about .020 from the back edge of the drums
after doing
this swap. It is easiest to get everything by just aquiring the whole rear
axle from a later car.
This way you'll also get spare half shafts and a spare diff!
----- Original Message -----
From: "Joe Lansing" <kidjoevid@yahoo.com>
Subject: [Spridgets] Brake conversion problem
>I have converted my 62 sprite to disk brakes up front. I also had a 3/4 bore
>master cyl. rebored/rebuilt and I put it in. I cannot
>get the system to bleed all the air off entirely. I get firm pedal after 3-4
>strokes, but it won't hold. I have done each wheel
>cyl. 3-4 times.
>
> Is there a trick to doing the disk brakes? I thought I read somewhere that
>they were difficult. Did I install them wrong? The
> bleeders are at bottom...any ideas, help, resources?
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