Mazda 626 GD GT (EU) poor e-brake...Any advice?

Hi!

Well my e-brake pretty weak on the left side around 900-1000nm but the right grabs around 1400nm.

Every brake component is new, like “y”-mount, cables (checked, they are the same as the OM ones), calipers (actually I swap out 6 of them), pads and rotors.

The car has the so called Akebono system wich is in theory is a junk. I have a feeling that the self adjustor inside the piston is simply just bot working.

I tried to even out the two calipers by unsrcrewing them by hand or adjust them by the e-brake lever…
Still no success.

Any advice?
 
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