Coolant Reservoir: Service and Repair

17 11 100 - Removing and installing/replacing coolant expansion tank (N73)





Warning!
Danger of scalding!
Only carry out work on cooling system after engine has cooled down.





Recycling:
Catch and dispose of drained coolant.
Observe country-specific waste-disposal regulations.





Necessary preliminary tasks:
- Drain coolant Service and Repair.





Disconnect connector (1).

Note:
Illustrations show air cleaner housing removed.





Unlock and disconnect coolant hoses (2) and (3).
Release screws (1).
Remove coolant tank (6) in direction of arrow.
Unlock and disconnect coolant hose (4) with tank (6) released.

Installation Note:
Make sure rubber grommet (5) is in correct installation position.





Adding coolant:
Vent cooling system and check for leaks Component Tests and General Diagnostics.