Checking the valve timing (VW Touareg 1)

NOTE: Valve timing can be checked with the engine installed.

Verification procedure

Remove the intake manifold and cylinder head cover. Remove the front noise insulation. Move the crankshaft using the vibration damper mounting bolt in the direction of engine rotation to the TDC mark of cyl. 1 (fig. 2.58).

The T10068 A camshaft ruler must fit into both grooves.

If you cannot insert the camshaft ruler, turn the crankshaft again in the direction of engine rotation.

NOTE: If the T10068 A camshaft straightedge still does not fit, turn the crankshaft in the direction of engine rotation approximately 5 mm above the TDC position of cyl. 1 (depends on timing chain tolerances).

Compare the adjustment marks on the phase shifters with the marks on the timing cover.

Markings A and B on the phase shifters must coincide with the notches on the timing cover C (Fig. 2.69).



The distance between tooth 1 and tooth 2 of the phase shifter sprockets must be exactly 16 chain rollers.

NOTE: Figure 2.69 shows the valve timing system with the cover removed.

If the marks do not match, adjust the valve timing.

If the marks match, install the cylinder head cover and intake manifold.

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