17 13 020 Removing and Installing/Replacing Intercooler Expansion Tank

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





Warning!
High-voltage system - danger to life!





Warning!
The following points must be strictly observed prior to starting work:
^ De-energise the high-voltage system
^ Observe safety instructions for handling with hybrid vehicles





Important!

Danger of scalding!
Only perform this work after engine has cooled down.





Necessary preliminary tasks:
^ Follow instructions for working on cooling system
^ Remove cover from electronics box power module
^ Drain coolant for intercooler
^ Release coolant expansion tank





Release screws (1).

Tightening torque 17 10 5AZ.

Slightly pull expansion tank (2) in upward direction





Unlock and disconnect coolant hoses (1).

Installation:

Insert guide (2) back into rubber mounting.





Assemble engine.

After completing work, fill intercooler with coolant.

Vent cooling system for intercooler.

Check cooling system for leaks.