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Brake Metal rubbing - when let go of brake #4723160
04/10/18 08:42 PM
04/10/18 08:42 PM
Joined: Sep 2003
Posts: 1,341
Austin, TX
MaximaGuy Offline OP
MaximaGuy  Offline OP
Joined: Sep 2003
Posts: 1,341
Austin, TX
Recently did my rear brakes with semi-metallic brake pads. I am stumped by this RR brake behavior - when I am at a stop and slightly let go, there is a metal-metal rubbing sound. More predominant when the rotors are cold and then it goes away, it also behaves as such when in reverse.

Any ideas what could be happening.

2018 MB GLE350
2011 Lexus ES350
2006 Toyota Highlander 4WD
Re: Brake Metal rubbing - when let go of brake [Re: MaximaGuy] #4723169
04/10/18 08:53 PM
04/10/18 08:53 PM
Joined: May 2010
Posts: 9,629
out there
spasm3 Online content
spasm3  Online Content
Joined: May 2010
Posts: 9,629
out there
Make sure the caliper is tight. If you used the original rotors, there might be a higher ridge along the edge of the rotor. The brake pads could shift enough in reverse ( or during regular braking) to hit the ridge. Should wear down in time. If you used new rotors, i'd go back in and have a look.

13 elantra 72k 5w30 QSUD
03 chevy avalanche 80k synpwr 5w30
17 mazda cx-5 7300 miles m1 0w30
Re: Brake Metal rubbing - when let go of brake [Re: MaximaGuy] #4723329
04/11/18 05:54 AM
04/11/18 05:54 AM
Joined: Feb 2015
Posts: 2,456
Slovenia EU
Kamele0N Offline
Kamele0N  Offline
Joined: Feb 2015
Posts: 2,456
Slovenia EU
Too much grease on sliding pins (vacuum/sticky caliper)...or that one sliding pin with a dampening rubber on it...if that rubber gets swollen (over time) it can cause problems (sticky caliper)...yoz can simply get rid of that additional rubber of that pin (aftermarket are often not the right size)

2008 Toyota Yaris 1ND-TV 1.4 D4-D Elf FullTech FE 5w30
1997 Toyota Landcruiser KZJ95 3.0 TD Shell Rimula R6M 10w40
Re: Brake Metal rubbing - when let go of brake [Re: MaximaGuy] #4724227
04/11/18 10:29 PM
04/11/18 10:29 PM
Joined: Aug 2004
Posts: 20,353
The Critic Offline
The Critic  Offline
Joined: Aug 2004
Posts: 20,353
Why would you install aftermarket semi metallic rear pads?

If you reused the wear indicators, it is possible that they are not properly clipped into place. There is a very tiny tab inside the indicator that needs to be bent out when you are reusing them. You should have a heard a click after snapping them in. If not, that may be your problem.

2011 Toyota Prius - 181k - M1 EP/EP HM Mix 0W-20
2007 Honda Accord 2.4 - 134K - Mobil 1 EP HM 5W-30

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