Repair manual

Engine Mechanicals
6
Modifications to the Roller Cam
Followers
The roller cam followers for the exhaust camshaft have
been designed to reach both valve lift lobes on the cam
elements. To achieve this, the roller is now larger in
diameter and narrower in width.
At the same time, the roller cam followers have been
optimized for low friction by using improved bearings. To
prevent the roller cam followers from tilting downward,
they are permanently connected to the support element.
For this reason, a roller cam follower can only be replaced
with a complete, pre-assembled module.
Non-Detachable
Connection to
Support Element
Roller with
Larger Diameter
Intake Side
Low Friction
Bearing
Exhaust Side with Audi
Valve Lift System