Power Take-Off Drive Chain, from 04.06

Power Take-Off Drive Chain, from 04.06

Special tools, testers and auxiliary items required

• Key (T40049)

• Locking Pin (T40071)

• Locating Pins (T40116)

Removing

• The transmission is removed.

• Engine oil drained.

CAUTION!
To continue performing the repair procedure, ensure lock carrier is installed and torque support is tightened.

- Vehicles with multitronic transmission. Refer to: Remove damper unit => [ Damper Unit ] Damper Unit and flywheel => [ Flywheel, Multitronic Transmission ] Flywheel, Multitronic Transmission.

- Vehicles with automatic transmission 09L. Refer to: Remove drive plate => [ Drive Plate, Automatic Transmission 09L ] Drive Plate, Automatic Transmission 09L.

- Remove lower timing chain cover. Refer to => [ Lower Timing Chain Cover ] Lower Timing Chain Cover.

CAUTION!
Danger of damaging the drive chain because the bolt thread is too long.

• Use bolts with a 22 mm maximum thread length - a - to attach the Key (T40049).

• If only longer bolts are available, then the bolt head must be installed in such a way so that thread length is still 22 mm only.







- Install the Key (T40049) with 2 bolts - arrows - on the back of the crankshaft.





- Remove the locking bolt - arrow - for the "TDC" marking from the upper section of the oil pan.





- Rotate crankshaft in direction of engine rotation to "TDC".

- Install the Crankshaft Holder (T40069) into the hole and tighten it to 20 Nm. If necessary rotate the crankshaft very slightly back and forth to completely center the holder.





- Mark running direction of power take-off chain with paint.

- Press the chain tensioner guide rail in direction of - arrow - and secure chain tensioner using a Locking Pin (T40071).





- Remove bolts - 3 - and the balance shaft chain sprocket.

- Remove bolts - 1 - and - 2 - and the chain tensioner with the chain.

Installing

• Secure crankshaft - 1 - in "TDC" position using Crankshaft Holder (T40069).





- Mount the chain tensioner with chain and balance shaft sprocket.

- Lock the balance shaft in the TDC position using a Locating Pin (T40116).





• The slots in the balance shaft sprocket must be at the middle position in relation to the threaded holes of the balance shaft. If necessary, adjust chain by one tooth.

- Tighten chain tensioner bolts.

- Install the chain sprocket bolts - 1 - loosely.

• It must still be possible to rotate the chain sprocket on the balance shaft and it must not tip.

- Pull out the Locking Pin (T40071) to release the chain tensioner.

- Press against the chain tensioner guide rail - arrow - with screwdriver and simultaneously fasten the bolts - 1 - for sprocket.

- Remove the Locating Pin (T40116) from the balance shaft.

The rest of installation is in reverse order of removal, note the following:

- Install timing chain lower cover. Refer to => [ Lower Timing Chain Cover ] Lower Timing Chain Cover.

- Install the left and right timing chain covers. Refer to => [ Left and Right Timing Chain Covers ] Left and Right Timing Chain Covers.

- Install the transmission-side crankshaft shaft seal. Refer to => [ Crankshaft Seal, Transmission Side ] Service and Repair.

- Vehicles with multitronic transmission. Refer to: Install flywheel => [ Flywheel, Multitronic Transmission ] Flywheel, Multitronic Transmission and damper unit => [ Damper Unit ] Damper Unit.

- Vehicles with automatic transmission 09L. Refer to: Install drive plate => [ Drive Plate, Automatic Transmission 09L ] Drive Plate, Automatic Transmission 09L.

- Fill engine oil and check oil level.

Tightening Specifications