Removing and installing camshaft adjuster - AR05.20-P-7201AO: Notes

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ENGINE 120

Fig 1: Identifying Camshaft Adjuster Remove/Install Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Removing, installing
1	Remove front covers (30, 30a)	For removing the right-hand camshaft adjuster: Remove right cylinder head cover, right front cover and right cylinder head guide rail	AR01.30-P-5703AO
2	Remove guide rails (1, 2)		ra05001203450x
3	Detach camshaft adjuster at inlet camshafts	Remove camshaft adjuster with crankshaft position 30° after ignition TDC at cylinder 1. Mark camshaft sprockets and timing chain with colored dots.	AR05.20-P-7201-01AO
			Figure
			Figure
4	Attach camshaft adjuster to inlet camshafts		AR05.20-P-7201-02AO
			*BA05.20-P-1001-02F
			*BA05.20-P-1003-02F
			*BA05.20-P-1005-02F
			Figure
			Figure
5	Install in the reverse order

CAMSHAFT, CAMSHAFT ADJUSTMENT

Number	Designation			Engine 120
BA05.20-P-1001-02F	Nut of camshaft sprocket to flange shaft		Nm	65
BA05.20-P-1003-02F	Bolt for camshaft sprocket and flange shaft to camshaft	1st stage new	Nm	22
		1st stage repair	Nm	20
		2nd stage	∠ °	60
BA05.20-P-1005-02F	Bolt of armature to control plunger	1st stage	Nm	5
BA05.20-P-1005-02F	Bolt of armature to control plunger	2nd stage	∠ °	90

Fig 2: Identifying Double Open-End Wrench (104 589 01 01 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Torx Bit Set (000 589 01 10 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.