Remove/install high-pressure pump drive gear - AR07.02-P-1021SXI

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ENGINES 642 in MODEL 207, 212, 218, 221

Fig 1: High-Pressure Pump Drive Gear Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove engine cover	Ensure correct seating of the engine cover. Model 207, 212, 218
		Model 221	AR01.10-P-2405SXI
2	Remove high-pressure pump (1)	Seal off lines to prevent the ingress of foreign bodies.	AR07.02-P-1020SXI
		Set of stop plugs	Figure
3	Place counterholder onto drive pinion gear (3) of high pressure pump (1)	Do not tilt counterholder to prevent damage to tooth flanks.
		Counterholder	Fig 2
4	Unscrew nut (2)		*BA07.16-P-1020-01C
5	Remove drive pinion gear (3) of the high-pressure pump (1)	Puller	Fig 3
6	Install in the reverse order

COMMON RAIL DIESEL INJECTION (CDI)

Number	Designation			ENGINE 642
BA07.16-P-1020-01C	Nut on high-pressure pump drive gear	M14 1.5	Nm	70

Fig 2: Identifying Counterholder (642 589 00 40 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Puller (124 589 04 33 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Set Of Stop Plugs (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA