17 11 100 Removing and installing/replacing coolant expansion tank (S55)

IMPORTANT: Make sure without fail that coolant hoses are correctly routed. Risk of damage due to sharp edges or chafing.
Follow instructions for carrying out REPAIR WORK ON THE COOLING SYSTEM.

Necessary preliminary work:

Pinch off coolant hoses on coolant expansion tank using the appropriate pinch-off tools.
Remove left INTAKE SILENCER HOUSING

Removal:

Unlock and pull off coolant hose (1) from top of expansion tank (2).

Release screw (3).

Release connector (4) on holder

Release expansion tank (2) from the rubber mounts and lift,

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Unlock and disconnect plug on coolant level switch (1).

Unlock and detach coolant hose (2).

Lift out expansion tank (3).

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Installation:

Attach connector to coolant level switch (1) and lock.

Connector (1) must snap audibly into place.

Attach coolant hose (2) and lock.

The coolant hose (2) must engage audibly.

Expansion tank must engage in the rubber mounts.

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Tighten expansion tank (2) laterally with screw (3) on body.

Tightening torque: 17 10 5AZ .

Attach coolant hose (1) and lock.

The coolant hose (1) must audibly engage.

Fasten connector (4) to the holder.

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Required follow-up work:

Install left INTAKE SILENCER HOUSING .
Top up coolant