Accessory Drive: Service and Repair

Power Take-Off Drive Chain Assembly Overview





1 Cylinder block

2 Guide rail

• Secured on upper section of oil pan

• Oil before installing pin

3 Chain tensioner

• Secure with pin (T10115)

4 10 Nm

5 Chain sprocket of oil pump

• Removing and installing => [ Oil Pump ] Service and Repair

6 Power Take-Off Drive Chain

• From model year 2008 the roller chain has been changed to a toothed chain.

• Removing:

- Remove engine.

- Remove control housing cover.

- Remove timing chain.

- Remove chain tensioner => [ (Item 3) Chain tensioner ].

- Mark direction of travel.

• Note when installing:

- Place on in original direction of travel.

- Chain must lie correctly in tensioning and glide tracks.

- Adjust valve timing => [ Valve Timing, Adjusting ] Valve Timing, Adjusting.

7 20 Nm plus an additional 90° (1/4 turn)

• Replace

8 Guide rail

• Oil before installing pin

9 10 Nm

10 Axial bearing disc

• Engages in groove of double chain sprocket (drive wheel) => [ (Item 12) Double chain sprocket (drive wheel) ].

11 60 Nm plus an additional 90° (1/4 turn)

• Replace

12 Double chain sprocket (drive wheel)

• Oil journal before installing

• Oil groove for axial bearing disc => [ (Item 10) Axial bearing disc ]

13 Journal for double chain sprocket (drive wheel)

14 Pin for tensioning track, 40 Nm

• For chain tensioner for timing chain