Remove/install camshaft adjusters

AR05.20-P-7201VB

Remove/install camshaft adjusters

28.11.11

 

Remove/install

1

Turn key in ignition lock to position "0"

2

Remove air filter housing

AR09.10-P-1150VA

3

Remove front cover at respective cylinder head

Left cylinder head

AR01.30-P-5700VB

Right cylinder head

AR01.30-P-5700VA

4

Remove centrifuge

When removing camshaft adjuster (13)

AR01.20-P-2100VA

5

Remove cap (26)

When removing camshaft adjuster (14)

6

Turn engine at crankshaft center bolt in direction of engine rotation to a 40° crank angle after ignition TDC and check position of camshafts

AR05.20-P-6010-01VB

7

Lock gear backlash compensation for respective camshaft adjuster (13 or 14)

AR05.20-P-7201-05VA

8

Detach center valve (5 or 6) for respective camshaft adjuster (13 or 14)

 Observe loosening direction.

AR05.20-P-7201-06VA



*BA05.20-P-1009-02A

9

Remove center valve (5 or 6) for respective camshaft adjuster (13 or 14) and remove pulse wheel (9 or 10)

 Check dowel pin (18) and pin (19). If a dowel pin (18) or pin (19) is sheared off then this must be removed from respective camshaft adjuster (13 or 14).

 Installation: Always replace pulse wheel (9 or 10). When tightening the center valve (5 or 6) there is a risk that dowel pin (18) or pin (19) may shear at the pulse wheel (9 or 10). Lubricate the center valve (5 or 6) at the contact surface with the pulse wheel (9 or 10) before assembling.

 Installation: Align dowel pin (18) for pulse wheel (9 or 10) with the fitted bore (20) in the camshaft adjuster (13 or 14).

10

Counterhold respective exhaust camshaft (2) at rear with a suitable tool and detach camshaft adjuster (13 or 14) towards the front from right exhaust camshaft (2)

 Installation: Lubricate contact surfaces on exhaust camshaft (2) and camshaft adjuster (13 or 14) before assembling camshaft adjuster (13 or 14).

 Installation: Align dowel pin (21) in camshaft adjuster (13 or 14) to fitted bore (22) in exhaust camshaft (2) and install camshaft adjuster (13 or 14) in its basic position:

See "Check basic position of camshafts".

AR05.20-P-6010-01VB

11

Install in the reverse order



Checking

 Danger!

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 the engine as it is running

Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

12

Conduct engine test run and check engine for leaks

Number

Designation

Engine
272

Engine
273

BA05.20-P-1009-02A

Center valve for pulse wheel/camshaft adjuster to camshaft

Nm

145

145