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 . See 11 00 REMOVING AND INSTALLING/REPLACING THE ACOUSTIC COVER (N63 B44 O 0/1) or 11 00 REMOVING AND INSTALLING/REPLACING ACOUSTIC COVER (N63) .
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: 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.