Genuine Mercedes-Benz 190E Cooling Fan Assembly

Mercedes-Benz 190E Cooling Fan Assembly Parts and Q&A

• Fan Blade
  102-200-21-23
  Q: How to remove and refit a Cooling Fan Assembly on Mercedes-Benz 190E?

  A:

  To remove the thermo-viscous coupled fan, start by disconnecting the battery negative cable and moving it away from the terminal. Remove the screws and detach the plastic panels from above and below the Radiator, releasing the coolant hose from the clip on the upper panel if applicable. For models with a one-piece fan shroud, prise off the metal spring clips and detach the shroud from the radiator, allowing it to rest between the engine and the fan blades. For split fan shroud models, remove the locking pin and rotate the shroud ring to disengage it, then pass it over the fan. Detach the fan shroud and shroud ring from the engine bay. On petrol engine models, align the cooling fan pulley locking hole with the recess in the fan bearing bracket and insert the special tool to lock it in place. For diesel engine models, use a special Mercedes tool to counter-hold the fan pulley shaft. Slacken and withdraw the bolts to detach the fan blade assembly from the viscous clutch unit, then remove the clutch assembly from the pulley shaft. Refitting is the reverse of removal, ensuring all bolts are tightened to the specified torque. For the electromagnetically coupled fan, disconnect the battery negative cable and drain the cooling system on 4-cylinder petrol models. Remove the radiator and air cleaner, then take off the auxiliary drivebelt from the cooling pump pulley. Undo the centre retaining bolt to remove the fan from the pump spindle, followed by the coolant pump pulley. For early models with multiple auxiliary drivebelts, undo the bolts securing the coupling body to the coolant pump and withdraw the coupling, unplugging the wiring. For later models with a single ribbed auxiliary drivebelt, undo the bolts at the rear of the coupling body and remove the unit from the engine. Refitting is the reverse of removal, ensuring the arrangement of washers on the fan retaining bolt is correct and tightening all fixings to the specified torque.