RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
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Insert installation cartridge in guide plate.
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Press the pressure fork down and pull the knurled screw up while turn left and right. This inserts the valve keepers.
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Release the pressure fork with the knurled screw still raised.
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Repeat the procedure on each valve.
Assembling
Assembly is in reverse order of removal, note the following:
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Make sure all the roller rocker levers lie on the ends of the valve stems correctly and are clipped onto the respective hydraulic adjusting elements.
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Install camshafts. Refer to => [ Camshafts ] See: Camshaft, Lifters and Push Rods/Camshaft/Service and Repair.