Mercedes Benz Cooling Fan Problem

If the a c compressor of a mercedes benz c300 is not good can it affect the fan.

Mercedes benz cooling fan problem.

The cooling fan relay is the relay that controls the engine s cooling fans. Mercedes w211 radiator fan relay location replacement products used in the video. Turned on the airconditioner but still doesn t run. The cooling fan doesn t run even at a high temperature.

If it is higher the air conditioning control module presumes that the pressure is high and assigns the fan control module to run at 90 pwm actuation. For example at a coolant temperature of 51 0 c 123 8 f the refrigerant pressure should be no more than 12 bar. The evaporator works in a similar way as the radiator except in this case instead of hot coolant there is cold refrigerant flowing through the evaporator. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool.

Air then blows thourgh the evaportator which makes it get cold. The low temperature refrigernat passes through the evaportaor which causes the evaportator to get cold. Most cooling fans use electric motors that have a moderate to high current draw and as a result are commonly controlled using relays. Also check the aac pressure at stand still cold.