- Loosen and unscrew the drain plug 1 at the bottom of the power steering monoblock and discharge the oil into a prepared tray. To discharge the power steering monoblock fully, turn the front wheels to extreme positions to the left and right, loosen the hydraulic lines connect on the monoblock and servo pump.
- After emptying, screw the drain plug 1 of the power steering monoblock and connect hydraulic lines on the monoblock and servo pump.
- Fill the power steering tanks 3 with new oil.
- Start the engine and bleed the power steering circuit by turning the steering wheel in both directions.