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Home >> Mercedes Benz >> 2001 >> S500 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control -- Basic Knowledge -- 215 & 220 Chassis >> Basic Knowledge >> Coolant circulation pump, location/purpose/function - GF83.20-P-2109 >> Coolant circulation pump, location/purpose/function - GF83.20-P-2109M

Coolant circulation pump, location/purpose/function - GF83.20-P-2109M

MODEL 220 with CODE (582) Rear air conditioning 

  Coolant circulation pump, location   GF83.20-P-2102-02M 
  Coolant circulation pump, purpose The coolant circulation pump for the rear A/C system serves for maintaining a uniform flow of heating water through the rear heater core even at low engine speeds and in the residual engine heat utilization mode.  
  Coolant circulation pump, function   GF83.20-P-2102-01M