17 11 100 Removing and installing or replacing the coolant expansion tank (N12, N14, N16, N18)

WARNING: This page is about a different variant/trim than selected.

IMPORTANT: Make sure without fail that coolant hoses are correctly routed. Risk of damage due to sharp edges or chafing.

Loosen the spring strap for the hose (1) with special tool 17 2 052 and pull the hose (1) off.

Release screw (2).

Release expansion tank (3) from rubber mount and raise slightly until lower coolant hose is accessible.

Fig 1: Releasing Spring Strap For Hose Using Special Tool (17 2 052)

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Unlock and detach lower coolant hose (1). Catch and dispose of escaping coolant.

Remove expansion tank.

Installation note:

Make sure the bearing journal (2) is installed in the correct installation position in the rubber mount.

Fig 2: Identifying Lower Coolant Hose And Bearing Journal

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NOTE: CHECK COOLANT LEVEL