I have the brake indicator tab on top, the leading edge, for the front calipers and brake indicator at the bottom for the rear calipers. Is this correct? I hear scraping sound as if the pads have worn all the way down these are brand new! Please help. thanks!
Nevermind. Problem fixed. One of the pad retaining clip I took out for cleaning wasn't seated back correctly so it was scraping against the rotor.
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01tl4tl
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Mar 21, 2017
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hope you greased those slider clips!
the pad has large tabs on the end- thats where it actully moves along those clips,,need a smear of caliper grease there to make smooth brake operation
note: its the inner pad that has the noise maker arm/wear indicator
note 2: MANY makers -including some high performance brands-
are using the wrong pad backing plate for the REAR brakes on a TL
they have a 3rd- middle raised tab at top center
It contacts the caliper piston first and causes the pad to run crooked
getting only 50% contact across the rotor surface
Visual ck for this prob: look underneath at rear rotors
If half its width is shiny `in use` looking and the other half is rusty,,you have the problem
Grind off offending tab if pad wear is not to severe
If worn badly- return to seller as they are the wrong part, and try again
the pad has large tabs on the end- thats where it actully moves along those clips,,need a smear of caliper grease there to make smooth brake operation
note: its the inner pad that has the noise maker arm/wear indicator
note 2: MANY makers -including some high performance brands-
are using the wrong pad backing plate for the REAR brakes on a TL
they have a 3rd- middle raised tab at top center
It contacts the caliper piston first and causes the pad to run crooked
getting only 50% contact across the rotor surface
Visual ck for this prob: look underneath at rear rotors
If half its width is shiny `in use` looking and the other half is rusty,,you have the problem
Grind off offending tab if pad wear is not to severe
If worn badly- return to seller as they are the wrong part, and try again
This is my mom's car and I used all OEM pads so no worries regarding aftermarket pad and brake indicator. I have anti-seize on the large end tabs, a tip from eric the car guy on youtube. I had to really press in the small metal tabs that keep the retainers in place into the caliper using a flat screw driver. After that, no more rubbing and scratching sound.
Instructor
Good! Did you get the slide pins like 01tl41 said? Greasing them with the antiseize will kelp keep the piston to push the pads at a flat angle. Less chance of uneven brake pad wear.
Congrats on finding the problem!
Congrats on finding the problem!
Three Wheelin'
I personally think anti-seize is a poor choice as a brake lubricant. It's not compatible with rubber, and doesn't react well with with water, salt, mud etc. It's not really designed as a lubricant, just to keep two metal parts from sticking or galling together. Use silicone based lube or one of the brake specific lubricants available.