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-   -   Rear brake pads wear out first (http://www.the370z.com/brakes-suspension/107217-rear-brake-pads-wear-out-first.html)

Kamillio 09-07-2015 04:58 PM

Rear brake pads wear out first
 
I have stock brake system, except for Motul rbf 600 fluid. My car has 16k miles and when I checked the pads today, front ones seem just fine and are wearing evenly. My rear ones are almost completely worn down and also wear down at an angle...the thickest part on my rears is about half the material that is left on the front pads

Has anyone experienced this? What could cause this?
My car is still under warranty but pads are a "wear" item, I don't know if dealer would help in this case.

Boss_302 09-07-2015 07:05 PM

You just need to stop driving bakwards

Z-Girl 12 09-07-2015 08:03 PM

Quote:

Originally Posted by Boss_302 (Post 3303398)
You just need to stop driving bakwards

:icon18::shakes head:

90 ST 09-07-2015 11:32 PM

Quote:

Originally Posted by Kamillio (Post 3303343)
I have stock brake system, except for Motul rbf 600 fluid. My car has 16k miles and when I checked the pads today, front ones seem just fine and are wearing evenly. My rear ones are almost completely worn down and also wear down at an angle...the thickest part on my rears is about half the material that is left on the front pads

Has anyone experienced this? What could cause this?
My car is still under warranty but pads are a "wear" item, I don't know if dealer would help in this case.

I would have the dealer check that out, something is not right, rears should last 50-100K...

ban25 09-08-2015 02:21 AM

VDC has a tendency to eat up the rear pads, especially on a track.

maxdriver 09-09-2015 04:02 AM

I also own a 2010 G37 sedan. My mechanic told me last month that the rear brakes are at minimum and the fronts are fine. Car has 55k miles and I do not track it. Both front and rear are original and have never been replaced....

Sent from my XT1049 using Tapatalk

Kamillio 09-09-2015 07:27 AM

Quote:

Originally Posted by ban25 (Post 3303556)
VDC has a tendency to eat up the rear pads, especially on a track.


I never thought that the VDC would eat the pads much but it is a possible explanation. Tracked or not tracked as long as driven for fun.

Kamillio 09-09-2015 07:28 AM

Quote:

Originally Posted by maxdriver (Post 3304466)
I also own a 2010 G37 sedan. My mechanic told me last month that the rear brakes are at minimum and the fronts are fine. Car has 55k miles and I do not track it. Both front and rear are original and have never been replaced....

Sent from my XT1049 using Tapatalk


How were your rear rotors? My rotors have grooves all around to add to that

JARblue 09-09-2015 07:49 AM

Quote:

Originally Posted by Kamillio (Post 3304607)
How were your rear rotors? My rotors have grooves all around to add to that

Pics?

I had one of my rear pads disintegrate into sludge at about 30K miles while I was driving down the road not even braking. The $hit got all over my wheels and in the wheel wells. It was a mess. Chalked it up to random manufacturing defect.

I put in another set of OEM rear pads and after <40K they are pretty much toast in terms of wear. Meanwhile, I have 50K miles on slotted front rotors and Hawk Performance Ceramic pads, which look like they are still at 60-70% life remaining. I turn off VDC pretty much every time I drive, but ABLS still kicks in the rear brakes when wheel slip is detected. I'm assuming this is what eats up my rear pads.

Kamillio 09-09-2015 09:23 AM

http://images.tapatalk-cdn.com/15/09...206c5baff4.jpg

Here is one of the rear rotors.

JARblue 09-09-2015 09:28 AM

Quote:

Originally Posted by Kamillio (Post 3304760)
Here is one of the rear rotors.

That definitely isn't right. I can't imagine that was caused by a lodged rock or something. But maybe.

I would still have the dealer look at it if it's under warranty. If they balk, don't let them. Tell them that brake pads should last for years, and this is a safety issue not caused by normal wear. They are responsible. Unless of course it was a rock :ugh:

maxdriver 09-09-2015 05:06 PM

Quote:

Originally Posted by Kamillio (Post 3304607)
How were your rear rotors? My rotors have grooves all around to add to that

I was told they will need replacement also. I can't recall having a car in the past where the rear brakes and rotors wore out first....?

Kenwoodturbo 09-11-2015 04:39 AM

I have, my DD accord is this way. Not sure if 370z works the same or has the same issues but here is why accord does it. As part of the stability control system Honda uses the rear brakes and a yaw sensor to keep the car level when braking. So under faster stops when the sensor sees the weight transfer from rear to front it adjusts brake bias more to rear and car remains "level". In the accord instance the rear brakes were undersized for this type of duty. Mine blow through a set of rear pads around 25k where I can go close to 100k on fronts. Cheap o Honda, instead of fixing correctly with bigger caliper/pad/rotor out back instead just keep revising pad componds after class action lawsuit until the revision 4 pad setup would last just long enough to be acceptable. I and most people still only get about 30k out of the revised version, but most myself included won't drop thousands into a right sized BBK for a low HP econobox.

Kamillio 09-11-2015 07:43 AM

Quote:

Originally Posted by JARblue (Post 3304763)
That definitely isn't right. I can't imagine that was caused by a lodged rock or something. But maybe.

I would still have the dealer look at it if it's under warranty. If they balk, don't let them. Tell them that brake pads should last for years, and this is a safety issue not caused by normal wear. They are responsible. Unless of course it was a rock :ugh:


No rocks, cause I checked the pads.

Quote:

Originally Posted by maxdriver (Post 3305116)
I was told they will need replacement also. I can't recall having a car in the past where the rear brakes and rotors wore out first....?


I can't recall one like that either. And it seems like no one else has this problem with 370z that I personally talked to or on here who track their cars too.

Quote:

Originally Posted by Kenwoodturbo (Post 3306330)
I have, my DD accord is this way. Not sure if 370z works the same or has the same issues but here is why accord does it. As part of the stability control system Honda uses the rear brakes and a yaw sensor to keep the car level when braking. So under faster stops when the sensor sees the weight transfer from rear to front it adjusts brake bias more to rear and car remains "level". In the accord instance the rear brakes were undersized for this type of duty. Mine blow through a set of rear pads around 25k where I can go close to 100k on fronts. Cheap o Honda, instead of fixing correctly with bigger caliper/pad/rotor out back instead just keep revising pad componds after class action lawsuit until the revision 4 pad setup would last just long enough to be acceptable. I and most people still only get about 30k out of the revised version, but most myself included won't drop thousands into a right sized BBK for a low HP econobox.


It's possible, but I haven't heard many others here having this problem. Unless it just wasn't voiced before.


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