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Brembo gold sti Caliper upgrade on 53 blob

Old 02 March 2019, 05:20 PM
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Sootbox
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Default Brembo gold sti Caliper upgrade on 53 blob

rebuilt my rear Calipers. Pistons and seals. Replaced handbrake shoes today and I noticed the new dust boots on the pistons are not staying seated and slide in and out withe the piston? The original brake Calipers had a retaining ring to hold the dust boot in position, but the Brembos donít seem to have a retaining ring? Is this correct or am I missing something? Thx
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Old 02 March 2019, 05:43 PM
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stockcar
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The Brembo outer seal has a 'return' lip that sits into the body - did you use genuine seals?? Never had any issue with original Brembo items
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Old 03 March 2019, 01:04 AM
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Yes. It’s weird. The return lip as you say fits well and flush. But when brakes applied the seal just pulls out wth the piston and goes back in with it , almost as if the seal is too small?
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Old 03 March 2019, 08:04 AM
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Have you put too much grease on when fitting them , you need to put caliper grease on the seal and piston when fitting them , and no grease on the dust seal , needs to be completely dry or they will come out as you're explaining.
we build loads of these with no issues .
That's assuming you do indeed have the right seals in the first place
cheers Ian
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Old 03 March 2019, 09:16 AM
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Hi. Yes they are correct seals, but it may be a grease issue. �� Thanks for your input...
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