Range Rover County LWB (LH) V8-4.2L (1993)
Rocker Arm Assembly: Removal and Replacement
Rocker Shafts
Rocker shafts - remove
1. LH rocker shaft only: Remove screw securing dipstick tube to rocker cover.
2. Remove 4 Allen screws securing rocker cover to cylinder head.
NOTE: Note fitted position of 2 long screws. Later engines - multi-hex bolts are used.
3. Remove rocker cover.
4. Remove and discard gasket from rocker cover.
5. Mark each rocker shaft in relation to original cylinder head.
CAUTION: Incorrect fitment of rocker shafts will lead to an oil feed restriction.
6. Progressively slacken and remove 4 bolts securing rocker shaft assembly to cylinder head.
7. Remove rocker shaft assembly.
8. Remove pushrods and store in fitted order.
9. Repeat above procedures for remaining rocker shaft.
Rocker shafts - dismantling