Brake piston boots

SouthArk370Z

I wouldn't run a car without the boots. While the risk may be small, the consequences can be disastrous. YMMV

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Rusty

It depends on your experience, driving style, pads, and track on how fast the brake caliper boots gets BBQ. A lot of guys I know don't even replace them during a caliper rebuild for a track car.

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ResIpsa

What are the consequences? Do you have personal knowledge of someone crashing their Z because of catastrophic brake piston dust boot failure?

Sorry about the tone of this post but I hate when bad information gets out on this forum.

Straight answer is it is fine to run without the dust boots.

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SouthArk370Z

Not bad info. At worst, a little over-cautious.

It's not catastrophic boot failure that is the problem, it's the dirt that the lack of a boot lets in.

I have run into two cars where a piston seized due to dirt allowed in by a torn or missing boot. But, no, neither was a 370Z. And, judging by the look of things, both had been missing the boot for a while before the piston seized.

The chances of this happening are not great and the outcome is usually just over-heating brakes (piston usually sticks in the extended position). But it could cause that wheel to lock up I don't like to take any chances with things like brakes and steering. YMMV

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