Set the basic position of camshafts

AR05.20-P-6020V

Set the basic position of camshafts

19.9.03



Remove

1

Remove cylinder head cover

AR01.20-P-5014V

2

Remove front cover at cylinder head

AR01.30-P-5700V

3

Rotate engine at the crankshaft in direction of rotation until the piston of cylinder 1 is positioned at TDC marking 2°

The TDC marking on belt pulley/vibration damper (2) must be matched with the positioning edge (A). The cams on the intake camshaft and on the exhaust camshaft at cylinder 1 must be pointing up at an angle.

4

Release timing chain

AR05.10-P-7605-01TK



*271589003100

5

Remove camshaft adjuster (3)

 Secure against falling.

AR05.20-P-7201V

6

Mount retainer (4)

 At the same time the camshafts are attached in basic position.



*271589006100



Install

7

Install camshaft adjuster

 The markings on the camshaft adjusters (3) must be aligned with the markings (B) at the camshaft bearing housing (arrows). The TDC marking on belt pulley/vibration damper (2) must be matched with the positioning edge (A).

AR05.20-P-7201V

 The camshaft adjusters (3) require no particular adjustment, as they automatically take on a basic position to the camshaft when engine is vertical.

8

Clamp timing chain

 For this stepTake wedge out of timing case and slacken tensioning rail.

AR05.10-P-7605-01TK



*271589003100

9

Dismount retainer (4)



*271589006100

10

Rotate crankshaft by two revolutions in direction of rotation of engine and once again check the basic position of the camshafts

 The markings on the camshaft adjusters (3) must be aligned with the markings (B) at the camshaft bearing housing (arrows). The TDC marking on belt pulley/vibration damper (2) must be aligned with the positioning edge (A) on the timing case cover.

11

Install front cover at cylinder head

AR01.30-P-5700V

12

Install cylinder head cover (1)

AR01.20-P-5014V

 Danger!

Risk of accident. Accidents may result if the vehicle starts off unintentionally with the engine running. Risk of injury as working around the engine during start-up or while running may result in contusions and burns

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

13

Run engine and inspect for leaks