17 13 020 Removing and installing/replacing intercooler expansion tank (N63)

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IMPORTANT: Risk of scalding!
Only perform this repair work after engine has cooled down.

Necessary preliminary work:

Remove ACOUSTIC COVER .
Drain coolant for charge air cooler.

Release screws (1).

Tightening torque 17 10 7AZ .

Release coolant hoses (2) from expansion tank (3) and detach.

Installation note:

Replace faulty clamps.

Remove expansion tank (3).

Fig 1: Identifying Coolant Hoses, Screws And Expansion Tank

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Assemble engine.

After completing the repair work, fill charge air cooler with coolant.

Vent COOLING SYSTEM for intercooler.

Check cooling system for charge air cooler for leaks.