Update 14/04/2022
After use ISTA+ brake bleeding result is same issue. I found brake bleeding don't have bubble and foam.
ISTA + DCS unit control test
Brake pressure values
Reae axle brake circuit pressure : state = -21.80 bar
Front axle brake circuit pressure : srate = -21.80 bar
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Before case.
today, I change brake set to m5 f10 front and back.
issue is brake fade such as press brake but brake has no power to press on the brake disc.
brake bleeding no air bubbles.
help me please.
