Removing and Installing Radiator

Removing and Installing Radiator (M52TU, M54, M56)

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

US cars with M56 engine only:
SULEV (Super Ultra-Low Emissions Vehicle):
When replacing the radiator, install Prem-Air Radiator only (colour: black and marked with sticker)!

Necessary Preliminary Tasks:
- Follow instructions for working on cooling system.
- Draining and topping up coolant.
- Remove intake filter housing.
- Remove fan cowl.

Pull locking clips ( 1 and 2 ) upwards and detach coolant hose from expansion tank / radiator.

Installation:
Check sealing rings. Do not under any circumstances coat sealing rings with antiseize agent before installation.

Pull loocking clip ( 1 ) upwards and detach coolant hose from expansion tank.

Installation:
Check sealing rings. Do not under any circumstances coat sealing rings with antiseize agent before installation.

Unlock and disconnect plug connection ( 1 ) at level sensor.

If automatic transmission is fitted:
Pull lock ( 1 ) upwards and remove heat exchanger towards rear.

Installation:
Press lock ( 1 ) downwards before pushing on heat exchanger. The lock must snap audibly into place when the heat exchanger is forced on.

If automatic transmission is fitted:
Installation:
Check sealing rings, replace if necessary.

Pull locking clip ( 1 ) upwards and detach coolant hose from radiator.

Installation:
Check sealing rings. Do not under any circumstances coat sealing rings with antiseize agent before installation.

Release screw ( 1 ).

Lift radiator out of mountings.