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Registered User
Join Date: Feb 2009
Location: Park Hills, KY
Posts: 2,044
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front caliper guide spring?
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Bob Cox 84 928S, Ruby Red linen/brown interior - preferred DD 87 924S resurrect and gut and another track car... 86 944 turbo my new DE/track car. 78 930 clone project car. |
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Misunderstood User
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Have you looked into buying a used caliper?
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Jim 1983 944n/a 2003 Mercedes CLK 500 - totaled. Sanwiched on the Kennedy Expressway |
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Registered User
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Jim is giving you the best advice; you should be able to find a good used caliper for $50 or so locally or from one of guardian angels like 944ecology, Plyhammer or JustJoshin'. Drilling new holes is a terrible idea.
I just rebuilt the calipers on my 87 924S and felt like a nitwit for messing with that same spring as I disassembled the calipers for cleaning/refinishing; contrary to a thread in this forum that shows removing that spring, there's no need to. I broke one trying to get it out and realized the stupidity of my ways, and found a used caliper rather than buying those springs, which are like $115 EACH (or maybe that was for two...goofy, either way). I still took the two components of each caliper apart to bead blast, then paint them, but I left those springs in place, did the necessary renovation then stretched the springs enough to reassemble each caliper (I'd also popped the pistons out, cleaned them and the bores and fitted new ATE Classic reseal kits). That thread which talks about removing those $&%€!! springs should be edited to remove that step...sorry to see you in the same boat. Luckily, used parts are still plentiful. Best of luck to you, John/CT |
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Registered User
Join Date: Feb 2009
Location: Park Hills, KY
Posts: 2,044
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yea I am about to get a set of used calipers from plyhammer. in reflection I could have cleaned them without removing the springs. hind site always 20/20
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Bob Cox 84 928S, Ruby Red linen/brown interior - preferred DD 87 924S resurrect and gut and another track car... 86 944 turbo my new DE/track car. 78 930 clone project car. |
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Registered User
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Yes, ironic to me we both learned that lesson so close in time! I blasted mine (bores protected) and painted them in epoxy primer then single-stage urethane (gloss black I had kicking around). I was too cheap/impatient to get them yellow-zinc plated...we'll see how they last. Best, John
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Registered User
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one thing you can do is dress the slide rails with a small triangular file
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Registered User
Join Date: Feb 2009
Location: Park Hills, KY
Posts: 2,044
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Quote:
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Bob Cox 84 928S, Ruby Red linen/brown interior - preferred DD 87 924S resurrect and gut and another track car... 86 944 turbo my new DE/track car. 78 930 clone project car. |
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Registered User
Join Date: Feb 2009
Location: Park Hills, KY
Posts: 2,044
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waiting on the calipers and got to wondering what would be the effect of not having that guide spring? I am sure it has a purpose but curious.
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Bob Cox 84 928S, Ruby Red linen/brown interior - preferred DD 87 924S resurrect and gut and another track car... 86 944 turbo my new DE/track car. 78 930 clone project car. |
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Registered User
Join Date: Jul 2004
Location: Upstate New York
Posts: 2,274
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I would not try to second guess the Porsche engineers on what is needed for your brakes... Danger, Will Robinson!
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Good luck, George Beuselinck www.944ecology.com Porsche Deconstructor (tm) We buy 944s and sell 944 parts (845-379-1944) We rebuild torque tubes and instrument clusters for 944/968/928 |
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Registered User
Join Date: Feb 2009
Location: Park Hills, KY
Posts: 2,044
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yea just curious. my suspicion is it prevents some rattling.
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Bob Cox 84 928S, Ruby Red linen/brown interior - preferred DD 87 924S resurrect and gut and another track car... 86 944 turbo my new DE/track car. 78 930 clone project car. |
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Registered User
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...and maintains pressure to keep the two halves in alignment on their machined guide surfaces. John
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Registered User
Join Date: Feb 2009
Location: Park Hills, KY
Posts: 2,044
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well got another set of calipers. guide springs also rusted in place. and thanks to John's post I pried the new set apart to blast / paint that part. they reassembled with the parts from the original calipers.
in the process I am becoming convinced the spring is there mainly to prevent rattling. Quote:
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Bob Cox 84 928S, Ruby Red linen/brown interior - preferred DD 87 924S resurrect and gut and another track car... 86 944 turbo my new DE/track car. 78 930 clone project car. |
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