rear brakes dragging?

chops · 03-01-2015, 10:32 PM

hey everyone, after yesterday's track day, there has been a constant squeal while moving coming from the rear brakes, especially with my XP8's in. i took the wheel off and noticed the pad is pretty much the cause. its dragging on the rotor! any idea why? the entire system was bled with a motive prior to the track day and it was a cold day that definitely didnt lead to cooked fluid.

the rear caliper dust boots are all in tact, but for some reason the pads are dragging pretty good. i'm at ~50k miles with 5-8 track days and ~500 track miles, do i need to rebuild the calipers? any help would be appreciated!

maizenblue · 03-08-2015, 03:04 PM

dragging brakes can be caused by a couple things, the rubber hose going to the calipers could be kinked which holds pressure and causes brake drag. are both rear brakes dragging or just one side?

Rusty · 03-08-2015, 10:55 PM

You might have a piston sticking. Quick, cheap fix on the caliper you think is causing the problem. Remove the pads. Push all the pistons in. Install pads. Then use the brake pedal to push them out. Or remove caliper and rebuild.

03-01-2015, 10:32 PM	#1 (permalink)
chops A True Z Fanatic Join Date: Oct 2010 Location: NA Posts: 1,732 Drives: NA Rep Power: 22	rear brakes dragging? hey everyone, after yesterday's track day, there has been a constant squeal while moving coming from the rear brakes, especially with my XP8's in. i took the wheel off and noticed the pad is pretty much the cause. its dragging on the rotor! any idea why? the entire system was bled with a motive prior to the track day and it was a cold day that definitely didnt lead to cooked fluid. the rear caliper dust boots are all in tact, but for some reason the pads are dragging pretty good. i'm at ~50k miles with 5-8 track days and ~500 track miles, do i need to rebuild the calipers? any help would be appreciated!

03-08-2015, 10:55 PM	#3 (permalink)
Rusty Ronin Samurai - Assassin Join Date: Dec 2011 Location: Fayettenam,Pennsyltucky Age: 68 Posts: 35,218 Drives: 2011 Nismo GM 6M Rep Power: 2684438	You might have a piston sticking. Quick, cheap fix on the caliper you think is causing the problem. Remove the pads. Push all the pistons in. Install pads. Then use the brake pedal to push them out. Or remove caliper and rebuild. __________________ 浪人 - 殺し屋 "The Difficult Anytime, The Impossible By Appointment Only" http://www.the370z.com/members-370z-...o-journal.html

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03-08-2015, 03:04 PM	#2 (permalink)
maizenblue Enthusiast Member Join Date: Sep 2013 Location: Denver Posts: 288 Drives: 2010 370Z Rep Power: 12	dragging brakes can be caused by a couple things, the rubber hose going to the calipers could be kinked which holds pressure and causes brake drag. are both rear brakes dragging or just one side?