selenoui valve replacement

Hello friends, I shared the problem in my car the other day, I said that there was a knock at the gear shift. Anyway, let me come to the main issue. If I change the valve and oil, filter and filter, if the hydraulic block changes, maniac prices will come out.

actual

Solenoid valve provides oil pressure in shifting our gearboxes, if you have not changed before, there is old type valve and it will be the new type you will get. much

if it knock is broken?

Yes, it knocks because these valves are defective, as our friend said, the new type of solenoid will be installed and the valves must be introduced with the computer or the knock event continues. filter comes out when you open the cover. If you are doing such things, you already have health