Hello and thank you for the suport
I do not have 2 presure watchs to see the diference between y and z, will buy another one and y will check it on monday, but i check the port BR of the travel unit which goes to the brakes, and i have 17 bar with Engine at idle and brakes release when i push to go forword the presure slightly increase do 20bars, but when i push to go to reverse the presure drops to 10 bars and the motor goes jerky i push more the presure drops to 0 and truck stops with a strânge noise.
How do i check the servo unit?
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