IS F (2008-2014) Discussion topics related to the IS F model

Brake question

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Old 06-19-14, 07:23 PM
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Compthis
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Default Brake question

I've done my brakes now for the second time, both times using OEM parts. The first time I had them done, the brakes had high stopping power, that bite you get from slightly touching the brakes, I loved it. I just had them done again and don't have that bite. I need to apply more pressure to stop the car. I've flushed my brake lines as well using OEM fluid. With both brake changes, I didn't bed them in. I'm feeling inclined to head out and give it a shot but I didn't need to the first time so what gives?
Old 06-19-14, 07:46 PM
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lobuxracer
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Are they the same make and model of pads? If they're the same, they should not need bedding. Are you confident they removed all grease, oil, and fingerprints from the rotors and pads when the install was done? It's pretty easy to make a mistake and get the magic copper goop in a place where it should not be.

If you changed to a different brand or model of pads, you'll need to bed them in before they'll work well. Sometimes you'll even need to take garnet paper to the rotors to scuff off the old pad material.
Old 06-19-14, 07:53 PM
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Originally Posted by lobuxracer
Are they the same make and model of pads? If they're the same, they should not need bedding. Are you confident they removed all grease, oil, and fingerprints from the rotors and pads when the install was done? It's pretty easy to make a mistake and get the magic copper goop in a place where it should not be.

If you changed to a different brand or model of pads, you'll need to bed them in before they'll work well. Sometimes you'll even need to take garnet paper to the rotors to scuff off the old pad material.
Both times I changed the brakes I used new OEM brembo pads and rotors. Do you think I can buy brake cleaner and give them a spray, will this do the trick?
Old 06-19-14, 07:54 PM
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Maybe. I'd do the brake cleaner and bed them in to be certain.

OEM pads are not Brembo. They're Jurid. It's possible they've changed manufacturers over the years.

Last edited by lobuxracer; 06-19-14 at 07:58 PM.
Old 06-19-14, 07:57 PM
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Originally Posted by lobuxracer
Maybe. I'd do the brake cleaner and bed them in to be certain.

OEM pads are not Brembo. They're Jurid. It's possible they've changed manufacturers over the years.
I could be wrong but the pads actually have brembo written on them
Old 06-19-14, 08:08 PM
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None of the ones I have seen say Brembo. They all say Jurid. Jurid is one of the largest OEM pad companies. 1 in 3 cars had Jurid pads from the factory.

EPC describes them this way:

04465-0W120 MARK JURID 655-GF

Interestingly enough, a Google image search shows a set of pads with Brembo stenciled on them in white paint. Unfortunately, Jurid 655 GF is stamped in the metal backing plate, so Brembo's paint job is clearly a rebranding effort.

Last edited by lobuxracer; 06-19-14 at 08:21 PM.
Old 06-19-14, 08:36 PM
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This is exactly what I got. Doesnt matter front pads, rear pads all say brembo. All bought from sewels



And a link to a set for sale. http://www.lexusfforum.com/forums/at...0&d=1342116389

Last edited by Compthis; 06-19-14 at 08:44 PM.
Old 06-19-14, 08:58 PM
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Look right above the silk screening where JURID is stamped into the backing plate. Case closed.
Old 06-19-14, 09:42 PM
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Off topic, but I changed my front rotors and pads 5k miles ago. It's time to change my rear rotors and pads, but I'm wondering whether the bed in procedure would be the same as when I changed the front. I know most of the braking power comes from the front, so I'm not sure if I have to do the same amount of stops, or whether bedding in would be necessary. The rotor brand is Raybesto, with stop tech pads.
Old 06-20-14, 06:03 AM
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Rick usually scuffs all of the rotors with emery paper, when servicing the brakes, and is also very careful with the "goop".


Digger08
Old 06-20-14, 07:44 AM
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Originally Posted by lobuxracer
Look right above the silk screening where JURID is stamped into the backing plate. Case closed.
Thank you Judge!
Old 06-20-14, 08:51 AM
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What is this "goop" you speak of lobux?
Old 06-20-14, 08:51 AM
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what is the purpose of this 'goop' you guys mention?
Old 06-20-14, 08:53 AM
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Originally Posted by Reaper21
What is this "goop" you speak of lobux?
ha, posted at exact same time, wth
Old 06-20-14, 12:02 PM
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High temp brake copper anti seize grease/ Lubricant....you know the gold stuff you see oozing out of your pads and shims.

Keeps pads quiet and active




Digger08

Last edited by digger08; 06-20-14 at 12:06 PM.


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