Range Rover Workshop Manual - Eng - Landiesrus

12ENGINE NEW RANGE ROVERROCKER SHAFT - OVERHAULService repair no - 12.29.49 - LH ShaftService repair no - 12.29.50 - RH ShaftService repair no - 12.29.55 - Both ShaftsRemove4. Remove rocker shaft assembly. Ensurepushrods remain seated in tappets.Do not carry out further dismantling ifcomponent is removed for access only.5. Remove and discard split pin from one end ofrocker shaft.1. Disconnect battery negative lead.2. Remove relevant rocker cover. See thissection.NOTE: If both shafts are to be removed,identify each assembly to ensure refitmenton original cylinder bank.3. Remove 4 bolts securing rocker shaft assembly.6. Remove the following components:NOTE: Retain components in correctsequence for re-assembly.7. Plain washer.8. Wave washer.9. Rocker arms.10. Rocker pillars.11. Springs.12. Clean all components.13. Inspect all components for wear.14. Inspect rocker shaft and bores in rocker arms. Ifexcessively worn or scored, fit new components.15. Replace all weak or broken springs.16. Lubricate all moving parts with clean engine oil.17. Re-assemble rocker shafts. Ensure thatcomponents are returned to their originalpositions, use new split pins to retaincomponents.18. Ensure shaft identification groove is positionedat one o’clock, with pushrod locations of rockerarms to the right.CAUTION: Oil feed restriction will result ifrocker shafts are incorrectly assembled.46 REPAIR