Remove/Install Camshaft Positioner Of Intake Camshaft - AR05.20-P-7206MSA

Engine 256.9 in model 213, 238, 257, 290 

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	Risk of injury  . Moving parts can pinch, crush or, in extreme cases even sever extremities.	No parts of the body or limbs should be within the operating area of mechanical components when moving components.	AS00.00-Z-0009-01A
	Risk of injury  to skin and eyes due to handling of engine oil. Risk of poisoning  caused by swallowing engine oil	Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers.	AS18.00-Z-0001-01A
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove
1	Remove rear cover at cylinder head.		AR01.30-P-5702MSA
2	Move camshafts to basic position.		AR05.20-P-6010MSA
3	Delimit intake camshaft positioner (1) and exhaust camshaft positioner (2) with intake camshaft locking pin (5a) and exhaust camshaft locking pin (5b).	Assembly tool	Fig 2
4	Remove intake camshaft control valve (3).	Socket wrench bit	Fig 4
5	Remove intake camshaft positioner (1).	The intake camshaft positioner (1) does not have a tensioning ring. The compression wheel sits loose on the intake camshaft positioner (1) and is not a reason to replace the intake camshaft positioner (1).
	Install
6	Install intake camshaft positioner (1).
7	Wet thread and bolt head contact surface of intake camshaft control valve (3) with engine oil.
	Specified engine oils for Cars, Vans (service) - Overview		BB00.40-P-0223-02A
8	Tighten intake camshaft control valve (3).	Tighten intake camshaft control valve (3) evenly without discontinuity using the specific torque.
		Central valve to camshaft positioner	*BA05.10-P-1001-01MRT
		Socket wrench bit	Fig 4
9	Remove the camshaft's fixing device.	Locating tool	Fig 1
10	Remove intake camshaft locking pin (5a) and exhaust camshaft locking pin (5b).	Assembly tool	Fig 2
11	Turn engine in direction of engine rotation by two revolutions and set piston of cylinder 1 to ignition TDC.	Turn engine only in the direction of engine rotation. Engine damage will occur otherwise. The TDC marking on the vibration damper must match with marking on crankcase.
		Counterholder	Fig 3
12	Check basic position of camshafts.		AR05.20-P-6010MSA
13	Install rear cap on cylinder head.		AR01.30-P-5702MSA

CAMSHAFT POSITIONER, TIMING CHAIN DRIVE

Number	Designation			Engine 256.9
BA05.10-P-1001-01MRT	Central valve to camshaft positioner	Stage 1	Nm	120 (+10)
		Stage 2	Nm	-
		Stage 3	∠°	-

Fig 1: Identifying Locating Tool (256 589 00 23 00)

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Fig 2: Identifying Assembly Tool (256 589 02 31 00)

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Fig 3: Identifying Counterholder (654 589 00 40 00)

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Fig 4: Identifying Socket Wrench Bit (177 589 00 09 00)

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