3309791 - E5020 ENGINE COOLING - Description (Automatic transmission)

Description

The engine radiator and air conditioner condenser cooling system consists of one fan operated at two different speeds:

  • the first speed is activated at a first coolant temperature level or at a certain air conditioner coolant pressure.
  • The second speed cuts in at a higher temperature or pressure threshold.
The fan is operated via special relays.The fan power supply line is protected by two special maxifuses.Both fuses and relays are housed in a relay carrier control unit located on the left side of the engine bay.