Daewoo MUSSO Service Manual page 925

4A-8 HYDRAULIC BRAKES
For Hydraulic Unit Replacement
1. Add oil after hydraulic unit replacement.
2. Run the engine and depress the pedal several times to
build pressure and then keep the pedal fully depressed.
3. Loosen hydraulic pipe screws at the hydraulic unit outlets
to bleed air.
4. Repeat above step No.3 several times until there are no
more air bubbles.
5. Bleed air in the system from the wheels if pressure building
is not enough by pressing the pedal only after above air
bleeding.