Remove/Install Coolant Pump Belt Pulley - AR20.10-P-1275SVZ

Engine 279 in model 223 

Courtesy of MERCEDES-BENZ USA

	Risk of injury  . Moving parts can pinch, crush or, in extreme cases even sever extremities.	No parts of the body or limbs should be within the operating area of mechanical components when moving components.	AS00.00-Z-0009-01A
	Remove/install
1	Remove fan unit.		AR20.40-P-5050SVZ
2	Release screws (2) of belt pulley (1) at coolant pump (3), do not remove.	Screw/bolt, belt pulley to coolant pump	*BA20.10-P-1002-01H
3	Remove poly-V-belt.		AR13.22-P-1202SVZ
4	Unscrew screws (2) and remove belt pulley (1) from coolant pump (3).	Tighten screws (2) slightly by hand.
5	Install in the reverse order.

COOLANT PUMP, COOLANT THERMOSTAT

Number	Designation		Engine 279
BA20.10-P-1002-01H	Screw/bolt, belt pulley to coolant pump	Nm	9