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Registered
Join Date: Apr 2004
Location: N/A
Posts: 351
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80 911sc caliper rebuild - tight piston fit?
Just rebuilding my stock calipers and with the new seals and the fit with the pistons is very tight. I have tried assembly lube as well as brake fluid but to no avail. I can't easily slide them in by hand and am thinking a small c clamp might be needed to seat them for the boots and pads.
Experience or opinions? Thanks, Graham
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"Penelope" 1980 SC Targa in Grand Prix White |
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05-28-2004, 08:41 PM
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Metal Guru
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I just rebuilt mine 2 weeks ago.
Smear the lube on the piston and on the seal. Push in with a small C-clamp. Go easy. They'll move for you. After you bleed the brakes (took me 2 power bleeds and 2 manual bleeds to get all the air out) pump your pedal up a few times until it's firm. Recheck the fluid level in the M/C. It should have dropped as the pistons should have moved out. Top it off and your done.
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Paul B. '91 964 3.3 Turbo Port matched, SC cams, K27/K29 turbo, Roush Performance custom headers w/Tial MV-S dual wastegates, Rarlyl8 muffler, LWFW, GT2 clutch & PP, BL wur, factory RS shifter, RS mounts, FVD timing mod, Big Reds, H&R Coilovers, ESB spring plates- 210 lb |
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05-29-2004, 03:58 AM
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Registered
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i used a c-clamp too. you have to go slow, because you can get all cockeyed in a hurry. remember to get that 20 degree angle correct.
cliff p.s. i used silicon grease.
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poof! gone |
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05-29-2004, 05:26 PM
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1991 Porsche 964 Turbo
