Coolant Reservoir: Service and Repair

17 11 100 - Removing and installing/replacing coolant expansion tank (M54/N52/N54/N46T)





Necessary preliminary tasks:
- Drain coolant Service and Repair from radiator





Release and disconnect coolant hoses (1).
Release screws.
Raise expansion tank, unlock plug on coolant level switch and disconnect.
Remove coolant expansion tank (2).

Installation:
Insert locating pin in rubber grommet.





Check cooling system for leaks 17 00 039 Venting Cooling System and Checking For Leaks.