Drive Chain

Drive Chain

Special tools, testers and auxiliary items required

• Counter-holder tool (T10069)

Removing

• Engine removed.

• Engine separated from transmission.

- Remove camshaft timing chains => [ Camshaft Timing Chain ] Camshaft Timing Chain.

- Remove bolt - arrow -.





CAUTION!
Bolt has left-hand thread!

- Push chain tensioner for drive chain downward and lock in position with drill bit 3.5 mm dia. - 6 -.





- Remove bolts - 4 - and chain tensioner - 5 - as well as the gasket located behind.

- Pull guide rail - 1 - from mounting pins.

- Remove mounting pins - 2 - and camshaft drive chain sprocket - 3 -.

Installing

• Replace gaskets.

• Engine locked at TDC position.

• Crankshaft locked in TDC position using Crankshaft Holder (3242).

- Set drive chain onto the crankshaft chain sprocket and onto the camshaft drive chain sprocket.

• The copper-colored chain links - 1 - and - 5 - must face toward the transmission side.





• The lower copper-colored chain link - 1 - must be centrally located to the housing separation point - 2 -.

• The copper-colored chain link - 5 - must be positioned so that its left chain pin is aligned with the threaded hole - 4 - lying directly across from it.

- When installing the camshaft drive chain sprocket, insert the mounting pins - 3 - into the chain sprocket and intermediate shaft.

- To verify the installed position of the chain, press on the right side of the chain by hand - arrow -.

- Place guide rail - 1 - onto the mounting pins.





- Replace gasket below chain tensioner - 5 -.

- Fasten chain tensioner with bolts - 4 -.

- Pull drill bit 3.5 mm dia.- 6 - out of alignment hole, thereby releasing the chain tensioner.

- Tighten camshaft drive chain sprocket with bolt - arrow -.





CAUTION!
Bolt has left-hand thread!

- Install camshaft timing chains => [ Installing ] Camshaft Timing Chain.

Tightening Specifications





* Replace screw.

* 90° corresponds to one quarter rotation.