Z Cars Prone to Pad Deposit?

IGoFast1589 · 03-25-2014, 04:16 PM

"Warped brakes" are usually uneven pad deposits on the disc surface. Steel discs don't really warp, they'll crack if anything. Pad deposits can be visible, but sometimes not... They can be clear and you can't see it. I've had a lot of brake issues with my cars driving really hard with huge temperature swings with all sorts of pads. The Z has had a nasty vibration under braking so my fix... Use Carbotech race pads to clean the surface, they chew light pad deposits up just fine, and then bed my street pads back in. Beats paying to have your discs resurfaced or buying new ones. Look at that beautiful disc! Good as new.

Have you guys had pad deposit issues with you Z? My buddy with a 350Z mentioned his car was always prone to it as well.

kenchan · 03-25-2014, 04:22 PM

you mean brake dust? that's normal.

DR_ · 03-25-2014, 04:36 PM

yes

ImportConvert · 03-25-2014, 05:14 PM

Oh yeah...

DarkJak · 03-25-2014, 08:43 PM

It's definitely due to our stock pads having a low operating temperature. I had the same issue until I switched to my Project Mu pads which have a higher temp range. Meanwhile, my parent's G37 on stock sports package pads still develops the vibration issue. It's there every time I go visit them, and I usually do the 90-5 mph braking procedure a few times to clear it for them.
Getting rid of brake deposits didn't come without a price for me though. Now I get so much more brake dust. And that's starting to deposit on my wheels.

IGoFast1589 · 03-26-2014, 08:23 AM

Quote:

Originally Posted by kenchan

you mean brake dust? that's normal.

Nope, I mean pad deposits. It's when pad material transfers onto the disc surface and hardens unevenly causing the shuttering under braking. Typically it happens if you get a pad beyond its temperature range. If you get your brakes really hot and then come to a complete stop, say at a stop light, and you hold your brakes... You can leave a foot print on the disc.

Quote:

Originally Posted by DarkJak

It's definitely due to our stock pads having a low operating temperature. I had the same issue until I switched to my Project Mu pads which have a higher temp range. Meanwhile, my parent's G37 on stock sports package pads still develops the vibration issue. It's there every time I go visit them, and I usually do the 90-5 mph braking procedure a few times to clear it for them.
Getting rid of brake deposits didn't come without a price for me though. Now I get so much more brake dust. And that's starting to deposit on my wheels.

I think you're right... I was going to pick up new street pads when my stocks are toast anyway. Doing the braking procedure helped you? For me it made it worse if anything. Because the pads were then just transferring more material onto the hardened deposit on the disc. You parents probably only had extremely light pad deposits. I imagine they don't drive like we do.

kenchan · 03-26-2014, 10:31 AM

i c.

yah, i dont have this problem on my akebono with stock pads. i brake on the firmer side vs normal cars, and dont sit on the brakes at a light.

Mitco39 · 03-26-2014, 10:42 AM

Mine vibrates like a kid after drinking way to many energy drinks. Although I am very hard on the brakes and have gotten them pretty hot in the past.

Thanks for the info!

Kenchan, you have to drive a little harder than a granny for this to happen :P jokes!

I am really just kidding, your the best I dont care what your mom says about you

kenchan · 03-26-2014, 11:02 AM

Quote:

Originally Posted by Mitco39

Mine vibrates like a kid after drinking way to many energy drinks. Although I am very hard on the brakes and have gotten them pretty hot in the past.

Thanks for the info!

Kenchan, you have to drive a little harder than a granny for this to happen :P jokes!

I am really just kidding, your the best I dont care what your mom says about you

hummmm...

Tadpole · 03-26-2014, 01:07 PM

Quote:

Originally Posted by IGoFast1589

"Warped brakes" are usually uneven pad deposits on the disc surface. Steel discs don't really warp, they'll crack if anything. Pad deposits can be visible, but sometimes not... They can be clear and you can't see it. I've had a lot of brake issues with my cars driving really hard with huge temperature swings with all sorts of pads. The Z has had a nasty vibration under braking so my fix... Use Carbotech race pads to clean the surface, they chew light pad deposits up just fine, and then bed my street pads back in. Beats paying to have your discs resurfaced or buying new ones. Look at that beautiful disc! Good as new.

Have you guys had pad deposit issues with you Z? My buddy with a 350Z mentioned his car was always prone to it as well.

I have seen warped rotors before. If there is wobbling/vibrating going on I will get my rotors turned or replaced and new pads. Problem fixed.

Eagle · 03-26-2014, 02:18 PM

Quote:

Originally Posted by kenchan

i c.

yah, i dont have this problem on my akebono with stock pads. i brake on the firmer side vs normal cars, and dont sit on the brakes at a light.

This is key...holding the brake pedal down after heating up your pads will inevitabley cause your pads to melt and transfer ALOT of material to the rotor. Same goes for the parking brake, don't put your parking brake up!

Your rotors won't get warped, the correct term is "glazed". Also, this is not just a problem with our cars, this is a problem you could experience on just about any car if you drive it hard enough.

Chuck33079 · 03-26-2014, 02:21 PM

Quote:

Originally Posted by Eagle

This is key...holding the brake pedal down after heating up your pads will inevitabley cause your pads to melt and transfer ALOT of material to the rotor. Same goes for the parking brake, don't put your parking brake up!

Your rotors won't get warped, the correct term is "glazed". Also, this is not just a problem with our cars, this is a problem you could experience on just about any car if you drive it hard enough.

I thought the parking brake was separate from the rear brake caliper.

kenchan · 03-26-2014, 02:49 PM

there is a drum inside...

wstar · 03-26-2014, 03:15 PM

I had endless pad-deposit problems on my stock calipers with a few different pads (Hawk HPS, Carbotech Bobcat, Carbotech XP10's). However, I suspect that had more to do with me than the car (learning all the tricks to avoid the problem), although maybe a problem with a sticking piston was contributing as well. When I switched to CL pads my problems mostly went away (they're pretty good at cleaning other stuff, and they aren't really prone to deposit problems themselves), and then went away completely when I switched my whole caliper setup to Stillen's BBK.

Hawk's Blue pads are known to be good for scraping off pad deposits, btw. A lot of people buy a set just to use them for rotor scrubbing after other pads.

Joepro · 03-26-2014, 06:31 PM

I go through rotors like its my job, already getting a slight shake out of my Z1 2 piece rotors, Went through the stock set and and set of R1 concepts rotors already in 17k miles...we just got a new lathe at work, a pro-cut on car warthog, it will machine the rotor to the hub, that is in the near future for all 4 of my not so old rotors. I think it goes hand in hand with the brake cooling issues on this car, they get hot really fast and that is a contributing factor for sure.

03-25-2014, 04:16 PM	#1 (permalink)
IGoFast1589 Base Member Join Date: Oct 2012 Location: Florida Posts: 72 Drives: 2009 370Z Rep Power: 12	Z Cars Prone to Pad Deposit? "Warped brakes" are usually uneven pad deposits on the disc surface. Steel discs don't really warp, they'll crack if anything. Pad deposits can be visible, but sometimes not... They can be clear and you can't see it. I've had a lot of brake issues with my cars driving really hard with huge temperature swings with all sorts of pads. The Z has had a nasty vibration under braking so my fix... Use Carbotech race pads to clean the surface, they chew light pad deposits up just fine, and then bed my street pads back in. Beats paying to have your discs resurfaced or buying new ones. Look at that beautiful disc! Good as new. Have you guys had pad deposit issues with you Z? My buddy with a 350Z mentioned his car was always prone to it as well. Fin likes this.

03-25-2014, 08:43 PM	#5 (permalink)
DarkJak A True Z Fanatic Join Date: Jun 2011 Location: Madison, WI Posts: 1,390 Drives: 2009 370Z Rep Power: 13448	It's definitely due to our stock pads having a low operating temperature. I had the same issue until I switched to my Project Mu pads which have a higher temp range. Meanwhile, my parent's G37 on stock sports package pads still develops the vibration issue. It's there every time I go visit them, and I usually do the 90-5 mph braking procedure a few times to clear it for them. Getting rid of brake deposits didn't come without a price for me though. Now I get so much more brake dust. And that's starting to deposit on my wheels. IGoFast1589 likes this. __________________ @stupidtoycars \| My track vids 09 7AT\|MCS 2WNR\|Topgunz Rotrex\|Ecutek (Eugene)\|Maxxis RC1\|Titan-7 TS-5\|OSG LSD\|Rear Mount Derale Oil Cooler (WIP)+25 Trans Cooler\|Fismo\|G-LOC R12/R10\|Zeta III L\|NLR Wing and Splitter\|CJM Pan and Fuel Hat\|Radium Surge Tank\|AP Racing CP9668

03-26-2014, 10:31 AM	#7 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141520	i c. yah, i dont have this problem on my akebono with stock pads. i brake on the firmer side vs normal cars, and dont sit on the brakes at a light. Eagle likes this.

03-26-2014, 10:42 AM	#8 (permalink)
Mitco39 A True Z Fanatic Join Date: Aug 2012 Location: Edmonton Alberta Canada Posts: 2,089 Drives: 40th 370z Rep Power: 131	Mine vibrates like a kid after drinking way to many energy drinks. Although I am very hard on the brakes and have gotten them pretty hot in the past. Thanks for the info! Kenchan, you have to drive a little harder than a granny for this to happen :P jokes! I am really just kidding, your the best I dont care what your mom says about you __________________ 2007 Chevy Duramax - EFILive Tuned By Me 2010 40th W/ Nav - Boosted Performance - UpRev Tuned By Me The Mrs. Ride -2012 335XI N55 BMW - Cobb Tuned By Me, Built by her My Build --> http://www.the370z.com/members-370z-...39s-build.html

03-26-2014, 03:15 PM	#14 (permalink)
wstar A True Z Fanatic Join Date: Mar 2009 Location: Houston, TX Posts: 4,024 Drives: too slow Rep Power: 3594	I had endless pad-deposit problems on my stock calipers with a few different pads (Hawk HPS, Carbotech Bobcat, Carbotech XP10's). However, I suspect that had more to do with me than the car (learning all the tricks to avoid the problem), although maybe a problem with a sticking piston was contributing as well. When I switched to CL pads my problems mostly went away (they're pretty good at cleaning other stuff, and they aren't really prone to deposit problems themselves), and then went away completely when I switched my whole caliper setup to Stillen's BBK. Hawk's Blue pads are known to be good for scraping off pad deposits, btw. A lot of people buy a set just to use them for rotor scrubbing after other pads. __________________ 7AT Track Car! Journal thread / Car setup details

03-25-2014, 04:22 PM	#2 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141520	you mean brake dust? that's normal.

03-25-2014, 04:36 PM	#3 (permalink)
DR_ Track Member Join Date: Jul 2009 Location: Dallas Posts: 981 Drives: Touring/Sport M6 PG Rep Power: 16	yes

03-25-2014, 05:14 PM	#4 (permalink)
ImportConvert A True Z Fanatic Join Date: Jun 2010 Location: SWMO Posts: 4,454 Drives: 2019 CX5 GT Reserve Rep Power: 7626	Oh yeah...

03-26-2014, 02:49 PM	#13 (permalink)
kenchan A True Z Fanatic Join Date: Aug 2009 Location: N/A Posts: 76,801 Drives: N/A Rep Power: 141520	there is a drum inside...

03-26-2014, 06:31 PM	#15 (permalink)
Joepro A True Z Fanatic Join Date: Aug 2012 Location: Athens ohio Posts: 1,213 Drives: Company car Rep Power: 33	I go through rotors like its my job, already getting a slight shake out of my Z1 2 piece rotors, Went through the stock set and and set of R1 concepts rotors already in 17k miles...we just got a new lathe at work, a pro-cut on car warthog, it will machine the rotor to the hub, that is in the near future for all 4 of my not so old rotors. I think it goes hand in hand with the brake cooling issues on this car, they get hot really fast and that is a contributing factor for sure. __________________ Swift\|Koni\|SPC\| FI CBE\|Z1\|Stillen\|Sbend\|Zspeed\|R/T Tuned\|523 whp\|458 tq\|10.5 psi\|SOLD Joepro's Journal\|Joepro's Boosted Performance Build \|Pittsburgh-Western-Pa-Ohio-Wv-Group

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