Removing
Disconnect the wire from the negative battery terminal.
Drain the coolant.
Remove the toothed belt.
Pic. 4.66. Bolt location (2) water pump mounts (1)
Remove bolts 2 (pic. 4.66) water pump mountings.
Pic. 4.67. Elements of the SIEMENS high pressure fuel pump: 1 - fitting of the supply pipe of the fuel pump; 2 - solenoid valve for volume control; 3 - fuel return screw; 4 - pressure control solenoid valve; 5 - high-pressure fuel outlet fitting; 6 - high pressure fuel pump
Remove the water pump (pic. 4.67).
Remove the water pump seal.
Installation
Clean the surface under the gasket with a special compound D2.
Install the water pump with a new gasket.
Screw in the pump mounting bolts and tighten them to 10 Nm.
Install the toothed belt.
Fill with coolant and bleed air from it.
Connect the wire to the negative battery terminal.