S2000 Under The Hood S2000 Technical and Mechanical discussions.

How worn are my brake pades? Time to replace?

Old 07-30-2018, 12:00 PM
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Default How worn are my brake pades? Time to replace?

I know visual inspection is not the best way to judge this but my car as 46k miles on it. I am the second owner. I assume it is still on original pads. How worn are these pads? How long can I go before I need to replace. Is stock the best option for street driving. I recently switched out the brake fluid (using Billman's gravity bleed method). Do I need to do that again if I switch pads... No squeal from brakes yet but they don't feel as strong as I remember (this is my second S2000)

Front Driver


Front Pass


Rear Driver


Rear Pass
Old 07-30-2018, 12:13 PM
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They look fine. A 'real' inspection would measure the remaining pad thickness (and possibly rotor thickness if suspecting rotors were excessively worn). But you can do a pretty decent estimation of pad thickness just by eye.

When the time does come, stock ap2 pads are quite decent for street use (ap1 pads are no longer available and are superceded by ap2 part). But there are other arguably better, and perhaps cheaper, alternatives. One such is Stop Tech Sport.

When you do change pads, be sure to loosen bleeder screw when pushing piston back into caliper. You don't want to force fluid to reverse through abs module.

You probably don't need to rebleed if you did it recently and you don't introduce any air from lossening the bleeders. But typically you would, and maybe change the brake fluid at the same time, since its probably due.
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Old 07-30-2018, 12:17 PM
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Looks like you have plenty of pad material left.
Old 07-30-2018, 01:19 PM
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Originally Posted by Car Analogy
They look fine. A 'real' inspection would measure the remaining pad thickness (and possibly rotor thickness if suspecting rotors were excessively worn). But you can do a pretty decent estimation of pad thickness just by eye.

When the time does come, stock ap2 pads are quite decent for street use (ap1 pads are no longer available and are superceded by ap2 part). But there are other arguably better, and perhaps cheaper, alternatives. One such is Stop Tech Sport.

When you do change pads, be sure to loosen bleeder screw when pushing piston back into caliper. You don't want to force fluid to reverse through abs module.

You probably don't need to rebleed if you did it recently and you don't introduce any air from lossening the bleeders. But typically you would, and maybe change the brake fluid at the same time, since its probably due.
Yeah I read about that. I am going to remove some fluid from the master reservoir before I push the piston's back in... I will read up on stop tech. The stock brakes feel a bit weak to me but thats probably becaues they are worn... I also would like to avoid brake dust (but not a the expense of brake bite or feel)

THANKS...
Old 07-30-2018, 01:25 PM
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I put Stop Tech Street pads on my AP1 and I really like them. They do dust the wheels a bit more than I like but it takes just a second to wipe them down. That doesn't really bother me much.

Unless there is a compelling reason to switch, I'd keep using your stock pads until you really need to replace them.
Old 07-31-2018, 10:21 PM
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Pads have a lot of life left. You are no where close to needing to change the pads.
Old 08-01-2018, 09:22 AM
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You might have another 50-100k on those pads :P
Old 08-01-2018, 11:19 AM
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Originally Posted by kasher_khan
The stock brakes feel a bit weak to me but thats probably becaues they are worn..
Steel braided lines and fresh fluid would likely help.
Old 08-01-2018, 01:03 PM
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Meh, IMO unless your very diligent and experienced you're more likely to introduce air into the system that more than offsets any marginal pedal feel improvement from braided lines. You're more likely to step backwards than forwards here.

But fresh fluid, absolutely. A gravity bleed that involves a full fluid swap with a decent dot 4 would probably address the issues.
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