Rover DEFENDER 300Tdi, Workshop Manual

Page: 73 / 450

12
ENGINE
16 REPAIR
CRANKSHAFT REAR OIL SEAL
Service repair no - 12.21.20
Remove
NOTE: The crankshaft rear oil seal is
retained in its own housing, if the seal
requires replacing, the complete housing
assembly (1) must be renewed. Housing and seal
assemblies are supplied with their own
former/seal guide (2) already fitted. This former
must not be removed before fitting the assembly
to the engine. If a seal and housing assembly is
received without a former/guide fitted it must be
returned to the supplier. Used formers/guides
must be discarded immediately after use, under
no circumstances should they be reused on other
assemblies.
NOTE: A different rear oil seal housing,
with integral ’O’ ring seal and gasket, was
fitted on earlier engines. They must be
replaced with the current housing and gasket (3)
shown below.
1. Disconnect battery.
2. Remove gearbox.
See MANUAL GEARBOX,
Repair, R380 gearbox
3. Remove clutch. See CLUTCH, Repair, Clutch
assembly
4. Remove flywheel. See Flywheel
5. Remove 5 bolts and withdraw seal housing,
complete with gasket.
Refit
NOTE: The raised side of groove at the
bottom of seal housing gasket must be
fitted to cylinder block face.
6. Insert slave studs to locate seal housing gasket.
7. Position new gasket over slave studs and
crankshaft flange onto cylinder block.
8. Fit new seal housing assembly, with
former/guide in-situ, over crankshaft flange. This
action will eject former/guide.
9. Secure assembly to cylinder block, removing
slave studs individually and inserting bolts.
Tighten to
25 Nm (18 lbf/ft).
10. Refit flywheel. See Flywheel