300Tdi Discovery
12
ENGINE
12
REPAIR
12. Remove 4 bolts securing rocker cover to cylinder
head.
13. Remove rocker cover.
14. Remove and discard rocker cover gasket.
Refit
15. Clean mating faces between rocker cover and
cylinder head using Bostick cleaner 6001 or
equivalent. Allow to dry.
NOTE: Gasket fits one way round only. It
must be fitted accurately, first time.
Subsequent movement will destroy
bonding.
16. Apply a thin coating of impact adhesive (Bostick
1775 or equivalent) to mating faces of rocker
cover seal face and new gasket. Use a brush to
ensure an even film. Allow adhesive to become
touch dry.
17. Place one end of gasket into cover recess with
edge firmly against recess wall, holding
remainder of gasket clear. Work around cover,
pressing gasket into place ensuring edge firmly
contacts recess wall.
CAUTION: Allow cover to stand for thirty
minutes before fitting.
18. Fit rocker cover to cylinder head, ensure short
screws are inboard. Tighten to
9 Nm.
19. Connect fuel feed and return hoses.
20. Refit ht leads into retaining brackets.
21. Secure engine harness to brackets.
22. Connect coolant pipes to hoses and secure
brackets.
23. Connect breather hose to rocker cover.
24. Connect purge hose to plenum chamber.
25. Connect bottom hose to radiator.
26. Refill cooling system.
See COOLING SYSTEM
V8, Adjustment, Coolant
27. Reconnect battery negative lead.
