Replace oil pump chain - AR18.10-P-2140GZ (ML500): Notes

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ENGINE 113.964 in MODEL 164.175

Fig 1: Identifying Transmission Oil Pump, Oil Return Shutoff Valve And Oil Pump Bolts

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/Install
	Risk of death caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between the columns of the lifting platform and position the four support plates below the hoist support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
1	Remove oil pan bottom section (1)		AR01.45-P-7555GZ
2	Remove oil pan		AR01.45-P-7500GZ
3	Remove oil pump (2)	Installation: Ensure oil return flow check valve (3) is correctly installed. Clean the oil pump strainer. Fill the oil pump with engine oil before installing, so that oil is delivered at the initial startup.	AR18.10-P-6020GZ
4	Separate oil-pump chain		AR18.10-P-2140-01V
		Case	Figure
		Pressure screw	Figure
		Chain separating tool	Figure
		Thrust pins	Figure
5	Draw in oil pump chain and rivet		AR18.10-P-2140-02V
		Case	Figure
		Riveting tool	Figure
		Assembly inserts	Fig 7
		Assembly links	Figure
6	Install in the reverse order
	Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near engine	Secure vehicle to prevent it from moving. Wear closed and snug-fitting work clothes. Do not grasp hot or rotating parts.	AS00.00-Z-0005-01A
7	Conduct engine test run and check the engine for leaks while it is running	In the event of oil loss determine and eliminate cause, otherwise malfunctions, transmission damage, and serious environmental pollution may occur.