Radiator: Service and Repair

17 11 000 Removing and installing the radiator (N16, N18, N47 C16/20 U/K 1)

Special tools required:







WARNING;
Risk of scalding,
Only perform this repair work after engine has cooled down.







Necessary preliminary tasks:
- Follow instructions for repair work on the cooling system.
- Drain coolant.
- Remove front bumper panel.
- Loosen but do not remove the coolant expansion tank.







IMPORTANT: Make sure without fail that coolant hoses are correctly routed, risk of damage by sharp edges or abrasion.







Release the mounting bolts of the refrigerant lines (1) on the front panel.







Remove air ducts (1) on the left and right.







Release screws (1).
Pull capacitor (2) forward. Do not remove the capacitor or loosen the refrigerant lines.

IMPORTANT:
Secure capacitor without fail against falling out and against bending of lines.
Bent lines can cause leaks.







Unlock and pull off top coolant hoses (1) at radiator.
Release the spring straps of coolant hoses (1) with special tool 17 2 052 and detach.







Release the spring straps from the lower coolant hose (1) using special tool 17 2 051.







Pull the radiator (1) forward slightly and lift up to remove.
When removing the cooler, make sure that the capacitor is not damaged.







Reassemble the vehicle.
Check cooling system for leaks.