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Will a Faulty Thermostat Affect the Electric Fan in a BMW 5 Series?

1 Answers

DelJesse

07/29/25 6:35pm

A faulty thermostat in a BMW 5 Series will affect the electric fan. The thermostat controls the operation of the cooling fan. If the thermostat is broken, it can no longer control the fan, causing the fan to either run continuously or not at all. How the Car Electric Fan Works: The car electric fan is controlled by a thermostat. When the coolant temperature rises to the upper limit, the thermostat activates the power supply, and the fan starts working. When the temperature drops to the lower limit, the thermostat cuts off the power, and the fan stops. Function of the Car Electric Fan: It cools the engine block and transmission and dissipates heat from the air conditioning condenser. Steps to Replace the Electric Fan: 1. Open the car's hood and remove the intake pipe located above the fan. 2. Use professional tools to unscrew the bolts. 3. After removing all the bolts, take the fan off the vehicle. 4. Install the new fan correctly on the new fan bracket and tighten the four fixing bolts. 5. Start the engine to test whether the fan operates normally. After confirming everything is correct, reinstall the intake pipe to its proper position.

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