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Rebuilding Calipers Question

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Old Aug 29, 2011 | 03:44 PM
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Default Rebuilding Calipers Question

Not so long ago, someone mentioned removing the springs in the calipers of stock calipers when converting to o-ring style pistons and seals. Anyone care to comment, argue or pursue that point?
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Old Aug 29, 2011 | 08:40 PM
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My calipers have been converted to o-ring and they have springs. This was done about 4 years ago. Have no problems with the brakes.
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Old Aug 29, 2011 | 08:49 PM
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Originally Posted by builder
Not so long ago, someone mentioned removing the springs in the calipers of stock calipers when converting to o-ring style pistons and seals. Anyone care to comment, argue or pursue that point?
Not really. Good question, I looked into it & left them out.
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Old Aug 29, 2011 | 08:56 PM
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I rebuilt all of my calipers with standard seals. I left out the springs but did not know it was an o-ring only deal.

5 years later and 2000 miles they are not leaking yet... and it still stops.
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Old Aug 29, 2011 | 09:48 PM
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"Parts left out cost nothing and pose no service problems."
If the engineers (all with engineering degrees) at Chevrolet thought it was a good idea, they most likely had a very good reason. Don't change it randomly.
I would imagine the light springs that are in the bores serve to maintain zero clearance between the pads and the rotors, so that there is no "slop" or delay in a brake application.
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Old Aug 29, 2011 | 11:29 PM
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Originally Posted by gcusmano74
"Parts left out cost nothing and pose no service problems."
If the engineers (all with engineering degrees) at Chevrolet thought it was a good idea, they most likely had a very good reason. Don't change it randomly.
I would imagine the light springs that are in the bores serve to maintain zero clearance between the pads and the rotors, so that there is no "slop" or delay in a brake application.
That and keeping a little heat on them to keep them dry.
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Old Aug 30, 2011 | 12:11 PM
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Corvette brake pads are in contact with the rotors at all times; they never retract. You need the springs for that.

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Old Aug 30, 2011 | 01:38 PM
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Originally Posted by builder
Not so long ago, someone mentioned removing the springs in the calipers of stock calipers when converting to o-ring style pistons and seals. Anyone care to comment, argue or pursue that point?
Oring pistons are designed differently than the lip seal pistons and partially use the flex of the oring to keep the piston in the proper position instead of a spring. That is one of the reasons that they are less prone to knock back.
Usually the instructions that come with the kits specify to NOT use any springs.
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