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

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 Mercedes-Benz ML350, 2010 Mercedes-Benz ML350, 2009 Mercedes-Benz ML320, 2009 Mercedes-Benz GL320, and 2008 Mercedes-Benz ML320. However, it is still accessible from the selected car via links, so may be relevant.

ENGINES 642 in MODEL 164, 251

Fig 1: Identifying High-Pressure Pump Drive Gear Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
	Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, lift gates or sliding roof	Keep body parts and limbs well clear of moving parts.	AS00.00-Z-0011-01A
1	Removes strut tower brace	Model 164.8 only Remove strut tower brace from strut tower mounts.	AR62.30-P-2500GY
2	Remove high-pressure pump (1)	Seal off lines to prevent the ingress of foreign bodies.	AR07.02-P-1020GZB
2	Remove high-pressure pump (1)	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.
3		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 to high-pressure pump drive gear	M14 X 1.5	Nm	70

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

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

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

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

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

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.