Awesome tip.
Ya, on my callipers the notch on each piston is incorrectly positioned.
As I'm sure you know, the pad backs (for me, TRW as of late) have some
kind of anti squeal padding built in.

On 6/25/16, Dennis Haynes <d23haynes57@hotmail.com> wrote:

> The damping plates are the same as are the pads. Some do have tabs and you
> need to check that the pistons are in the correct place for the tabs to line
> up. Then again many replacement pistons do not the notches for the tabs.
> There are also now piston cushions that can be fitted to the piston cups.
> These work better than the shims.
> https://www.nucapperformance.com/piston-cushion.php
>
> My local NAPA has been getting these for me.
>
> Dennis

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