Remove the oil sump, filter and fluid temperature sensor.
Remove the valve body assembly.
Location of solenoid valves in the body (late car models)
By turning the adjusting bolt, achieve the pressure at which the downshift is forcibly engaged.
The required pressure value is 880+10 kPa.
Attention: With each turn of the adjusting bolt, the pressure changes by 38 kPa.
Check for O-ring (1) on the valve body.
After replacing the O-ring on the solenoid valve connector, install the valve body and insert the valve connector into the body. The cutout connector should be positioned as shown in the illustration.
Tighten the valve body mounting bolts to the required torque. Keep in mind that the bolts are different lengths.
Install the oil pan.
Having filled in the required amount of working fluid, check the pressure.