Timing Components: Adjustments

Valve Timing, Checking

Special tools, testers and auxiliary items required

• Camshaft Bar (T10068 A)

Test Sequence

- Remove the noise insulation.

- Remove the upper intake manifold. Refer to => [ Upper Intake Manifold ] Upper Intake Manifold.

- Remove the cylinder head cover. Refer to => [ Cylinder Head Cover ] Service and Repair.

- Rotate the crankshaft in engine rotation direction to the Top Dead Center (TDC) cylinder 1 mark.






The camshaft lobes - A - for cylinder 1 must face each other.






- Install the camshaft bar (T10068 A) into both camshaft grooves.






• Due to the camshaft adjuster function, the camshaft grooves may not be perfectly horizontal. Therefore, if necessary, rotate the camshaft back and forth slightly using an open end wrench on the camshaft recesses - arrows - in order to install the camshaft bar (T10068 A).






Verify the installation marks of the camshaft adjuster with the marks on the control housing:

• The arrows on the camshaft adjusters must line up with the notches on the right side of the control housing. For the marks on the control housing, refer to => [ Marks on the Control Housing with FSI Engines ].






• A slight offset between the 32A mark and the notch is permitted.

• Do not pay attention to the position of the copper colored chain links.

- The distance between the marks on the camshaft adjuster must be exactly 16 rollers of the timing chain.






If the marks do not match:

- Adjust the valve timing. Refer to one of the following:

Engine code BLV, refer to => [ Camshaft and Oil Pump Timing Chains ] Camshaft and Oil Pump Timing Chains.

Engine codes CNNA, refer to => [ Camshaft Timing Chain ] Camshaft Timing Chain.

If the marks match:

- Install the cylinder head cover. Refer to => [ Cylinder Head Cover ] Service and Repair.

- Install the upper intake manifold. Refer to => [ Upper Intake Manifold ] Upper Intake Manifold.

Marks on the Control Housing with FSI Engines





- A - Flywheel-side view

- B - Vibration damper-side view

The notches - arrows - are reference points for the marks on the camshaft adjusters.