17 11 100 Removing and installing/replacing coolant expansion tank (N20, N55, N52T, N47 D20 O 1, N57 D30 O/T 1, B47)

Necessary preliminary tasks: 

• FOLLOW  instructions for repair work on the cooling system.
• Disconnect coolant hoses from expansion tank for coolant.

If fitted:

Release screw (1).

Unlock and detach coolant hose (2).

Pull expansion tank (1) upward out of retaining bracket.

Release and detach coolant hose (1) under expansion tank.

Unlock connector (2) on coolant level switch and disconnect.

Remove expansion tank.

Installation note: 

Make sure guide pin (3) is fitted correctly in rubber grommet (4).

Assemble engine.

Top up COOLANT .