Charge Air Cooling Circulation Pump, Location/Task/Function - GF09.41-P-3102M: Notes

Engine 275.950 In Model 215, 220

Engine 275.951 In Model 230

Engine 275.953 In Model 216, 221

Engine 275.954 In Model 230

Engine 275.980 In Model 215, 220

Engine 275.981 In Model 230

Engine 275.982 In Model 216, 221

Engine 285.950 In Model 240

Engine 285.980 In Model 240

Fig 1: Identifying Charge Air Cooling Circulation Pump Components Location Function

Courtesy of MERCEDES-BENZ USA

Charge air cooling circulation pump, arrangement	Model 215, 220	GF09.41-P-3102-01K
	Model 216, 221	GF09.41-P-3102-01MS
	Model 230	GF09.41-P-3102-01RA
	Model 240	GF09.41-P-3102-01M
Charge air cooling circulation pump task	Keep the charge air temperature below 70°C by means of coolant circulation.
Charge air cooling circulation pump function	The circulation pump is actuated via a relay by the engine control unit. Switching on: Charge air temperature above approx. 47°C Switching off: Charge air temperature below approx. 35°C