Removing and installing camshaft adjuster · ar0520d7201a · Mercedes-Benz WIS

AR05.20-D-7201A

Removing and installing camshaft adjuster

27.8.99

ENGINE 111.984 in MODEL 901.6, 902.6, 903.6, 904.6

D05.20-1108-06

1  Retaining pins

2 Cylinder head cover

3 Slide rail

4 Chain tensioner

5 Cover

	Removing
1	Remove cylinder head cover (2)		AR01.20-D-5014C
2	Remove front cover (5) at cylinder head		AR01.30-D-5700C
3	Lock camshafts in place		AR05.20-D-6992-07C
			*111589031500
4	Mark timing chain and camshaft sprockets to each other with paint	 Assembly aid
5	Remove slide rail (3) in cylinder head		AR05.10-D-8432C
6	Remove chain tensioner (4)		AR05.10-D-7800C
7	Detach camshaft sprocket from the exhaust camshaft		AR05.20-D-7201-03A
			*000589011000
8	Removing camshaft adjuster from inlet camshaft		AR05.20-D-7201-01A
			*104589010100
			*111589014000
			*000589011000
	Installing
9	Fit camshaft sprocket onto exhaust camshaft	 Always use new bolts when fitting on.	AR05.20-D-7201-04A
			*BA05.20-N-1001-01A
			*000589011000
10	Fitting camshaft adjuster to inlet camshaft	 Always use new bolts when fitting on.	AR05.20-D-7201-02A
			*BA05.20-N-1001-01A
			*BA05.20-N-1003-01A
			*BA05.20-N-1004-01A
			*104589010100
			*111589014000
			*000589011000
11	Install slide rail in cylinder head		AR05.10-D-8432C
12	Installing chain tensioner		AR05.10-D-7800C
13	Install front cover at cylinder head		AR01.30-D-5700C
14	Install cylinder head cover		AR01.20-D-5014C

 Camshaft

Number	Designation			Engine 111.984


BA05.20-N-1001-01A	Camshaft sprocket/flange shaft to camshaft	1st stage	Nm	20
		2nd stage	°	60
BA05.20-N-1003-01A	Armature to control plunger of camshaft adjuster	1st stage	Nm	5
		2nd stage	°	90
BA05.20-N-1004-01A	Nut of cover of camshaft adjuster		Nm	65

104 589 01 01 00

Thrust nut

Double open-end wrench

Torx bit set

Retaining pins

000 589 01 10 00

111 589 01 40 00

111 589 03 15 00