Oil Spray Jets/Valves, Removing And Installing: Notes
WARNING: This page is about a different car, the 2012 Audi S5, 2011 Audi S5, 2010 Audi S5, 2009 Audi S5, and 2008 Audi S5. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If Irregular Valve Noises Disappear After A Long Drive But Always Return On Short Drives, Oil Check Valve Must Be Replaced.