Radiator: Service and Repair

Radiator, Removing and Installing

Note: Always replace gaskets and seals.

Removing
- Obtain radio code on vehicles with coded radio.
- With ignition switched off, disconnect battery Ground strap.




- Remove noise insulation -arrows-.
- Drain coolant system. Service and Repair
- Release clamps and disconnect coolant hoses from connections on radiator (top and bottom).
- Remove front bumper (cover section only).

Note: Only remove the cover section for the front bumper.




- Disconnect connectors -1- on radiator cowl.
- Disconnect connector -2- from thermoswitch -F18-.
- Unbolt radiator cowl -3- together with radiator fans (4 bolts) and pull downward to remove.




Vehicles without air conditioning:
- Unscrew the 4 securing bolts -arrows- on the radiator.
- Lower radiator out of vehicle.




Vehicles with air conditioning:
- Remove the four securing bolts -1- for the condenser.
- Remove the four securing bolts -2- for the radiator.

WARNING! The air conditioning refrigerant circuit must not be opened.

Note: To prevent damage to the condenser and refrigerant pipes/hoses, ensure that the pipes and hoses are not stretched, kinked or bent.

- Unbolt radiator fan control unit -J293- from left-hand longitudinal member (in front of battery).
- Carefully lower radiator between engine and condenser and remove from below.


Installing
Installation is carried out in the reverse order:




- Fit mountings -3- and -4- on radiator as illustrated.
- Fit radiator securing bolts (the help of a 2nd technician is required).
- Install front bumper.
- Replace O-rings in the coolant hose connections.
- Fill up with coolant. Service and Repair
- After connecting battery terminals, enter anti-theft code for radio
Refer to Radio operating instructions
- Close electric windows in front doors all the way to their top positions using electric switches.
- Operate all electric window switches again for at least one second in the "close" direction to activate the automatic one-touch function.
- Set clock to correct time.
- Check DTC memory.

Note: DTCs will be stored in the memory because connectors have been unplugged. Therefore, check and erase DTC memory after installing the engine.


Tightening torques
Radiator Cowl To Radiator 10 Nm
Thermoswitch To Radiator 35 Nm
Radiator To Lock Carrier 10 Nm
Condenser To Radiator 10 Nm
Control Unit To Longitudinal Member 10 Nm