Quote:
Originally Posted by churchx
@ CSG Mikes: but what degrades in calipers? Doesn't rehauling/cleaning/replacing seals and guide rubbers/regreasing restore them almost like anew? Trying to imagine, what can wear/degrade in metallic parts in calipers/pistons to be noticeable in braking, if there are no scratches or alike at time of overhaul? :/ |
when you massively overheat the metal over and over it fatigues over time, and eventually you'll get non-plastic deformation.
Generally, if you are burning off outer dust boots, you are MASSIVELY overheating calipers.
Quote:
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Originally Posted by Brembo
For those running fixed, multi-piston calipers (Brembo GT, for example), recommended working temperature is < 200°C (392F), whereas the maximum acceptable working temperature is 220°C (428F);
Over 240°C (464F), the seals fitted into the calipers can be overheated and they will not guarantee the right performances of the caliper (sealing, roll back, fluid absorption,…);
If the caliper temperature goes over 240°C (464F), the dust seals and pressure seals should be refreshed.
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Brembo, AP, Alcon, Advics, Project Mu, PFC, etc. all have the same recommendations.