Remove/install belt pulley for the coolant pump - AR20.10-P-1275MCU

ENGINES 132.910 in MODEL 451.3/4 

Fig 1: Identifying Belt Pulley For Coolant Pump Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove poly-V belt (2)		AR13.22-P-1202MCU
2	Counterhold belt pulley (1) and remove bolts (3)		Fig 2
			*BA20.10-P-1001-01J
3	Remove belt pulley (1) from the coolant pump
4	Install in the reverse order

COOLANT PUMP, COOLANT THERMOSTAT

Number	Designation		ENGINE 132.9
BA20.10-P-1001-01J	Belt pulley on coolant pump	Nm	10

Fig 2: Identifying Counterholder (451 589 00 40 00)

Courtesy of MERCEDES-BENZ USA