Inlet and outlet rubber hoses fit to the heater core. Fluid is taken into the radiator with the heater valve open, from the cylinder head, and drained to the engine cooling system pump.
Removing the main heater radiator
Drain the coolant (see Replacing the coolant).
Using the “8” key, we unscrew the three fastening screws
Remove the protective shield of the hoses.
With a screwdriver, loosen the clamps of the radiator pipes
Remove the hoses from the heater radiator pipes.
Using a 10 key, we unscrew the two bolts securing the radiator lining
Remove the radiator lining
Use the “13” key to unscrew the radiator mounting nut
Remove the plastic plate
Remove the radiator from the heater.
Install the radiator in reverse order.
Please note that the radiator pipes only coincide with the heater holes at a certain position of the radiator.
When installing the radiator lining, first we insert its upper edge into the groove, and then we recess the lower part.