Rebuilding the Caliper - Team Camaro Tech
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post #1 of 5 (permalink) Old Aug 30th, 18, 05:34 AM Thread Starter
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Rebuilding the Caliper

I blew out the cylinder of the PDB caliper #633 casting on the 69. What is the best way to remove the rubber gasket and the ring of the inside of the cylinder? Figured I would rebuild the calipers for $12 bucks instead of buying rebuilt 633's for $96.
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post #2 of 5 (permalink) Old Aug 30th, 18, 06:50 AM
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Re: Rebuilding the Caliper

69 Calipers are very simple/easy to rebuild... mostly cleaning and then replace the two rubber parts... (fluid seal and dust seal)...

Corvettes (5), Nomads (2), El Camino, etc
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post #3 of 5 (permalink) Old Aug 30th, 18, 08:23 AM
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Re: Rebuilding the Caliper

Use a screwdriver to carefully pry out the dust boot. Be careful not to damage the piston. I use a cotter pin removal tool or 90* pick to remove the internal seal. Again be careful not to damage the bore. It's very straight forward once you get into it. I would do both sides. If one blew the other's probably not far behind. Check out youtube.


my 67' build thread:
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post #4 of 5 (permalink) Old Aug 30th, 18, 06:18 PM
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Re: Rebuilding the Caliper

Make sure to check the cylinder and piston for pitting. If all looks good assemble using plenty of brake fluid on the seal, piston and cylinder.
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post #5 of 5 (permalink) Old Aug 30th, 18, 08:22 PM
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Re: Rebuilding the Caliper

toughest part I had was getting the dust seal to start back on. NAPA had parts in stock which was good
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