audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Variable Valve Timing Actuator > < All Technical Service Bulletins for Lifter / Lash Adjuster:|151118|Page 3605
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Install camshaft adjustment housing and tighten bolts -1- to -6-.

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Installation is reverse of removal:

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Install combination valve for Secondary Air Injection.

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Install toothed belt (adjust timing).

Note:  
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After installing camshafts, do not start engine for at least 30 minutes. The hydraulic valve lifters have to settle (otherwise valves will strike the
pistons).

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After working on the valvetrain, carefully rotate engine by hand at least 2 full revolutions to ensure that valves do not strike the pistons when
starting.

Tightening torques
1) Replace bolts.

Variable Valve Timing Actuator > < All Technical Service Bulletins for Lifter / Lash Adjuster:|151118|Page 3605