Remove bearing cap.
Insert a suitable pin into the bore (arrow) of the rocker shaft, and turn the shaft back and forth to remove it from its bearing.
Remove pushrods.
Caution! Do not mix up the rocker shafts and pushrods.
Remove camshaft bearing cap (1).
Remove camshaft and bearing (2).
Remove bucket-type tappets.
Caution! Do not mix up the bucket-type tappets.
Assembly is the reverse of the disassembly procedure.
Caution! Note direction of installation (3) for camshaft bearing cap. Rocker shaft recess must be aligned with the bores.
Note: Locate pushrods in ball cups of rockers and hold the rockers together with a rubber band to secure the pushrods in position.
Tightening torque:
- M8 screw, rocker shaft bearing cap — 18 Nm
- M8 screw, camshaft bearing cap — 15 Nm
Adjust the holder for minimum end float.
End float of rockers:
- min — 0.05 mm (0.002 in)
- max — 0.40 mm (0.016 in)