Brake replacement at 35k miles??

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Feb 5, 2025 | 11:33 AM

#46

edbro

Pit Crew

Joined: Apr 2007

Posts: 138

Likes: 40

From: TX

Quote:

Originally Posted by ESh

what is the point having drilled and slotted rotors?

Drilled rotors help dissipate heat, improving performance. Unlikely to provide any benefit in a less than high performance sedan.

Feb 5, 2025 | 12:05 PM

#47

LeX2K

Lexus Fanatic

Joined: Sep 2010

Posts: 26,090

Likes: 4,345

From: Alberta

Quote:

Originally Posted by ESh

Yes, less dust, and I understand having ceramic pads. But what is the point having drilled and slotted rotors?

Drilled is basically for looks but slotted is great they cut the pads if/when any inconsistencies on the surface develops. May decrease pad life slightly. Don't knock that kit and ones like it until you try it way better than OEM which frankly on a modern Toyota/Lexus is nothing special.

Rust resistance is 10x better as well.

Feb 5, 2025 | 12:57 PM

#48

ESh

Lexus Test Driver

Joined: Jun 2014

Posts: 5,026

Likes: 1,630

From: MI

Quote:

Originally Posted by edbro

Drilled rotors help dissipate heat, improving performance. Unlikely to provide any benefit in a less than high performance sedan.

I know they help dissipate heat, but what is the point of that when you have ceramic pads, which are inferior when cold?

Also, slotted and drilled rotors has smaller friction area, and they make noise when braking hard.

Feb 5, 2025 | 01:13 PM

#49

LeX2K

Lexus Fanatic

Joined: Sep 2010

Posts: 26,090

Likes: 4,345

From: Alberta

Quote:

Originally Posted by ESh

Also, slotted and drilled rotors has smaller friction area, and they make noise when braking hard.

Which rotors were you running that did this?

Feb 5, 2025 | 01:44 PM

#50

ESh

Lexus Test Driver

Joined: Jun 2014

Posts: 5,026

Likes: 1,630

From: MI

Centric for example.

Feb 5, 2025 | 03:16 PM

#51

Denzlex

Intermediate

Joined: Jan 2022

Posts: 333

Likes: 197

From: Massachusetts

Quote:

Originally Posted by alextv

From what I remember new rotors have to be resurfaced also unless times have changed where they don't. ESh can probably tell us that.

Wow, how long ago was that??

Feb 5, 2025 | 03:46 PM

#52

LeX2K

Lexus Fanatic

Joined: Sep 2010

Posts: 26,090

Likes: 4,345

From: Alberta

Quote:

Originally Posted by ESh

Centric for example.

For example? Do you own a set? I've never seen Centric slotted and drilled only one or the other. I have a set of slotted Centric they are a good product, a slight hum on hard braking not that I care they have good bite.

Feb 5, 2025 | 08:39 PM

#53

july1988

Advanced

Joined: Mar 2019

Posts: 649

Likes: 242

From: USA

Quote:

Originally Posted by mmatheny

Resurfaced both front & rear - $320 front $300 rear

Hey can you pm me the full quote, I need to ask my dealer to price match, please

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Feb 5, 2025 | 11:05 PM

#54

ESh

Lexus Test Driver

Joined: Jun 2014

Posts: 5,026

Likes: 1,630

From: MI

Quote:

Originally Posted by LeX2K

I had Centric drilled on my e39. They were noisy.
Also, look at the Mercedes cars with drilled rotors. The grooves are enormous and because of the cracks I replace them very often.

Last edited by ESh; Feb 6, 2025 at 12:54 AM.

Feb 5, 2025 | 11:13 PM

#55

LeX2K

Lexus Fanatic

Joined: Sep 2010

Posts: 26,090

Likes: 4,345

From: Alberta

Quote:

Originally Posted by ESh

I had Centric drilled on my e39. The were noisy.
Also, look at the Mercedes cars with drilled rotors. The grooves are enormous and because of the cracks I replace them very often.

I don't recommend Centric anymore the ones I have were new/old stock they are good quality.

edit - R1 Concepts rotor with Akebono ACT pads after about 2.5 years great rotors. No rust even after salt exposure including in the holes and slots.

Last edited by LeX2K; Feb 5, 2025 at 11:25 PM.

Feb 6, 2025 | 12:54 AM

#56

ESh

Lexus Test Driver

Joined: Jun 2014

Posts: 5,026

Likes: 1,630

From: MI

Is this on a Tesla?

Feb 6, 2025 | 09:12 AM

#57

mcomer

Lead Lap

Joined: Nov 2013

Posts: 4,321

Likes: 1,233

From: IL

The Automatic Parking Brake is not contributing to the brake wear, it applies pressure to the pads when the rotors are not turning, no friction involved.
I personally miss the "hand brake turns" that conventional lever action applied while moving...sideways... but that is not happening here.

Nice thread on the slots and vents discussion, thanks.