Land Rover Defender 1999 2002my Workshop Supplement Body Repair 3rd Edition Rover Manual

33CLUTCH
8
DESCRIPTION AND OPERATION The dual mass flywheel is bolted on the rear of the crankshaft with eight bolts. A dowel on the crankshaft flange
ensures that the flywheel is correctly located. A ring gear is fitted on the outer diameter of the flywheel. The ring
gear is not serviceable. Thirty blind holes are drilled in the outer diameter of the flywheel adjacent to the ring gear.
The holes are positioned at 10°intervals with four 20°spaces. The holes are used by the crankshaft position
sensor for...

CLUTCH
9
DESCRIPTION AND OPERATION Pressure plate
1.Leaf spring
2.Drive plate
3.Pressure plate4.Cover
5.Diaphragm
6.Rivet 

33CLUTCH
10
DESCRIPTION AND OPERATION The pressure plate assembly comprises a pressure plate, cover and diaphragm and is mounted on and rotates
with the dual mass flywheel.
The pressure plate is forged from cast iron and machined to provide a smooth surface for the drive plate to
engage on. Three lugs on the outer diameter of the pressure plate connect it via three leaf spring to the cover. The
leaf springs have three tempered steel leaves which assist in pulling the pressure plate away from the drive...

CLUTCH
11
DESCRIPTION AND OPERATION Drive plate
1.Friction material
2.Inner plate3.Hub
4.Spring steel plate
The drive plate is of the rigid centre type and is sandwiched between the flywheel and the pressure plate. The
drive plate has a splined hub which engages with the splines on the primary drive shaft from the gearbox. The hub
is attached to an inner plate which is pressed onto the hub. A spring steel plate is riveted to the inner plate with
eight rivets and provides the attachment surface for the...

33CLUTCH
12
DESCRIPTION AND OPERATION OPERATION
Hydraulic operation
When the clutch pedal is depressed, the master cylinder piston is pushed into the master cylinder. The movement
of the piston pressurises the fluid in the master cylinder, forcing the pressurised fluid into the hydraulic feed pipe to
the slave cylinder. The hydraulic pressure is felt at the slave cylinder piston which moves under the hydraulic force
applied, pushing the clutch release lever via the piston rod.
When the clutch pedal is...

CLUTCH
1
ADJUSTMENT HYDRAULIC SYSTEM - BLEED
Service repair no - 33.15.01
Check
CAUTION: Ensure the fluid in the reservoir
is maintained between the minimum and
maximum levels throughout the bleed
procedure using new brake fluid.
CAUTION: Brake fluid will damage paint
finished surfaces. If spilled, immediately
remove fluid and clean area with water.
1.Top up clutch system reservoir.
2.Raise front of vehicle and support on stands.
WARNING: Do not work on or under a
vehicle supported only by a jack....

CLUTCH
1
REPAIR CLUTCH ASSEMBLY
Service repair no - 33.10.01.01
Remove
1.Remove gearbox assembly.See MANUAL
GEARBOX, Repair.
2.Restrain flywheel.
3.Working in sequence, loosen 6 nuts securing
clutch cover to flywheel.
4.Remove clutch cover and clutch plate.
Refit
5.Clean clutch cover and flywheel mating faces
and spigot bush in end of crankshaft.
6.Position clutch drive plate to flywheel with
’gearbox side’ facing towards gearbox.
7.PositionLRT-12-152alignment tool through
drive plate into spigot bearing...

33CLUTCH
2
REPAIR BEARING - CLUTCH RELEASE
Service repair no - 33.25.12
Remove
1.Remove gearbox assembly.See MANUAL
GEARBOX, Repair.
2.Remove retaining peg and remove release
bearing.
3.Remove bolt securing clutch release fork,
remove retaining clip and remove clutch release
fork.
Refit
4.Clean release fork.
5.Examine clutch release fork pivot points for
wear.
6.Apply a smear of Molybdenum disulphide grease
to release fork pivot points.
7.Fit retaining clip ensuring it locates over pivot
point washer....

CLUTCH
3
REPAIR
5.Disconnect multiplug from clutch pedal sensor.
6.Disconnect muliplug and harness clip from pedal
bracket.
7.Position cloth to collect fluid spillage.
8.Loosen pipe union, release pipe and plug pipe
and master cylinder.
9.Move brake master cylinder assembly aside and
lift out clutch master cylinder assembly.
10.Remove 6 screws, remove pedal box top cover
and discard gasket.
11.Remove nut securing push rod to clutch pedal
trunnion.
12.Remove 2 bolts and remove clutch master
cylinder from...