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Home >> Mercedes Benz >> 2006 >> G55 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC Basic Knowledge -- G-Class (463) - 2 Of 2 >> Basic Knowledge >> Coolant circulation pump component description - GF83.75-P-2110G

Coolant circulation pump component description - GF83.75-P-2110G

MODEL 463.306 /336 /346 as of model year 2011 /YoM 10 

MODEL 463.202 /222 /236 /237 as of model year 2009 /YoM 08 

MODEL 463.247 /248 /249 /254 /270 /271 /303 /340 /341 as of model year 2007 

Fig 1: Locating Heating Water Circulation Pump
G07740654Courtesy of MERCEDES-BENZ USA

Location 

The coolant circulation pump is located at the right front of the engine compartment.

Task 

The coolant circulation pump ensures uniform coolant flow through the heater heat exchanger at low engine speeds and during residual heat mode.

The actuation of the coolant circulation pump takes place discretely by the front signal acquisition and actuation module (SAM) (N10/1).