300Tdi Discovery
44
AUTOMATIC GEARBOX
10
REPAIR
OIL SCREEN
Service repair no - 44.24.07
Renew
1. Site vehicle on a four post ramp [hoist].
2. Disconnect battery negative lead.
3. Raise vehicle.
4. Drain oil and refit plug with new seal.
5. Detach heat shield at front exhaust pipe to
manifold.
6. Disconnect electrics from Lambda sensors.
7. Remove catalytic converter assembly.
8. Remove chassis cross-member from under
gearbox.
9. Disconnect dipstick tube at oil sump. Loosen
securing bolt at bell housing and move dipstick
aside.
10. Remove clamps securing oil sump. Note their
locations for refit and withdraw sump.
11. Remove gasket and clean gasket mating faces.
12. Remove securing screws and detach oil screen
and suction pipe, taking care to retain suction
pipe spacer, discard ’O’ ring seal.
13. Detach suction pipe from oil screen, discard ’O’
ring seal.
14. Clean oil screen and blow out with airline.
15. Clean suction pipe.
16. Fit new ’O’ ring seals to oil screen using light
grease to aid assembly.
17. Fit oil screen and suction pipe with spacer and
secure with three bolts.
18. Refit oil sump using a new gasket.
19. Connect dipstick tube to oil sump and tighten
bolt at bell housing.
20. Refit chassis cross-member.
21. Refit catalytic converter assembly
22. Connect electrics to Lambda sensors.
23. Connect heat shield front pipe to manifold.
24. Connect battery.
25. Refill gearbox oil system using correct grade of
oil.
See LUBRICANTS, FLUIDS AND
CAPACITIES, Information, Recommended
Lubricants and Fluids
