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Parking brake problems

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Old Jan 16, 2010 | 12:48 PM
  #1  
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Default Parking brake problems

I HAVE A '73 VETTE AND OF COURSE THE PARKING BRAKE DOES NOT HOLD THE CAR. SO I TOOK THE REAR WHEELS OFF AND WAS GOING TO ADJUST THE ADJUSTERS. WELL, NO HOLE TO DO IT. I DRILLLED OUT ONE HOLE AND IT MUST BE SO RUSTY THAT THE ADJUSTER WOULD NOT TURN. FIGURED TO TRY ADJUSTING THE PARKING BRAKE CABLE UNDERNEATH AND WAS ABLE TO TIGHTEN IT UP.. STILL DID NOT HOLD THE CAR. THEN TRIED TO TAKE OFF CALIPER. NO GOOD THERE. GUESS I HAVE TO TAKE OFF ALL OF THE HYDRALIC BRAKE HOSE TO DO THIS, RIGHT? FOUND THAT A 12 POINT SOCKET WILL ONLY START TO STRIP THE BOLT HEAD. BOUGHT A 6 POINT AND SPRAYED THE BOLTS WITH STUFF. AS OF YET, WITHOUT TAKING OFF THE BRAKE LINES HAVE NOT MADE ANY PROGRESS. ANY OF YOU CAN GIVE ME SOME HELP?
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Old Jan 16, 2010 | 01:21 PM
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For the most part these emergency brakes are marginal at best. If your car is an auto I would shine it until you have another reason to remove the calipers and then pull the disks. Now, if you have a stick then you may need to do it now. As for the caliper bolts, they can be difficult. A good six point and a breaker bar will generally get them off. Sometimes a few raps on the housing and head of the bolt can help. If the calipers are not leaking I would not remove the line. You can get the caliper and disk of without removing the line. Hold the caliper from stretching the line with a piece of wire or coat hanger. Depending on how long those pads have been in there and how rusted they are it may be difficult to get the disk off. With the caliper and rotor off might be a good time for SS o-ring calipers, new rotors, pads, and rubber lines. You really only want to get in there once.
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Old Jan 16, 2010 | 02:00 PM
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They are a major pain to work on. On my 73 I rebuilt them while I was doing my trailing arms.
You should be able to get at the adjuster through the access hole in the hub/spindle
The problem with this job is you get into the "while I'm at it" and end up doing a full brake job


Easier when the spindle is out for access


mine is a driver so I just reused backing plates etc after sandblasting/painting


The inside of the rear rotor is like a brake drum, mine were so corroded i just replaced the rotors
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Old Jan 16, 2010 | 08:12 PM
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Which way to you turn the star adjuster?
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Old Jan 16, 2010 | 11:52 PM
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Which way to you turn the star adjuster?
did mine a few years ago and can't remember. I believe parking brake adjustment is detailed in the factory shop manual
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Old Jan 17, 2010 | 12:16 AM
  #6  
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Insert the screwdriver in the hole and pull UP on the handle to tighten the shoes.
here's a how to: http://www.corvettemagazine.com/tech...e-rebuild.html
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Old Jan 17, 2010 | 10:14 AM
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Excellent article, thanks.
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Old Jan 17, 2010 | 02:19 PM
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Always move the star towards the ground to tighten.

cc
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