Workshop Manuals Factory service & repair Land Rover
01 Discovery Workshop Manual - 2nd Edition02 01 - INTRODUCTION03 04 - GENERAL SPECIFICATION DATA04 05 - ENGINE TUNING DATA05 07 - GENERAL FITTING REMINDERS06 09 - LUBRICANTS, FLUIDS AND CAPACITIES07 10 - MAINTENANCE08 12 - ENGINE - Tdi09 10 11 12 12 - ENGINE - V8i13 12 - ENGINE - 4.0 V814 12 - ENGINE - Mpi15 16 17 18 17 - EMISSION CONTROL19 19 - FUEL SYSTEM - Tdi20 19 - FUEL SYSTEM - MFI21 19 - FUEL SYSTEM - SFI22 19 - FUEL SYSTEM - Mpi23 19 - FUEL SYSTEM - Cruise Control24 26 - COOLING SYSTEM - Tdi25 26 - COOLING SYSTEM - V8i26 26 - COOLING SYSTEM - Mpi27 28 30 - MANIFOLD AND EXHAUST SYSTEM29 33 - CLUTCH30 37 - MANUAL GEARBOX - R38031 41 - TRANSFER GEARBOX32 44 - AUTOMATIC GEARBOX - ZF33 34 35 47 - PROPELLER SHAFTS36 51 - REAR AXLE AND FINAL DRIVE37 38 54 - FRONT AXLE AND FINAL DRIVE39 40 41 57 - STEERING42 43 44 60 - FRONT SUSPENSION45 64 - REAR SUSPENSION46 70 - BRAKES47 74 - WHEELS AND TYRES48 75 - SUPPLEMENTARY RESTRAINT SYSTEM49 76 - CHASSIS AND BODY50 51 80 - HEATING AND VENTILATION52 82 - AIR CONDITIONING53 84 - WIPERS AND WASHERS54 86 - ELECTRICAL
Land Rover 300Tdi Discovery29 · 33 - CLUTCH
29 · Transmission

HYDRAULIC FAULTS

Make
Land Rover
Model
Discovery 300Tdi Discovery
Section
FAULT DIAGNOSIS › HYDRAULIC FAULTS
33 - CLUTCHHYDRAULIC FAULTS
background image

33

CLUTCH

2

FAULT DIAGNOSIS

FAULT/SYMPTOM CHART

Symptoms

Slip

Spin/Drag

Judder/Fierce

Fault

Item

*

*

*

Worn or oil on clutch linings

2

*

*

*

Mechanical damage

4 5 6 7 8

*

*

Distorted clutch plate

2

*

Failed or air in hydraulic system

12 13

*

*

Primary shaft tight fit in crankshaft bush

15 17

*

Clutch splines sticking

2 15

*

Weak clutch plate springs or insecure/worn

engine/gearbox mountings

6

*

Insecure/worn propeller shafts

*

Insecure/worn suspension components/rubber

bushes

For items refered to in this chart.

See Description and operation, Description

CLUTCH NOISE - MECHANICAL FAULTS

Noise from clutch or gearbox in neutral, which
disappears when clutch is depressed.

Suspect gearbox input/primary shaft bearings.
See MANUAL GEARBOX, Fault diagnosis,
Manual Gearbox
- Noise from gearbox in neutral, which
disappears when clutch is depressed

Noise from clutch or gearbox in neutral, which
changes tone or becomes worse when the clutch
is depressed.

Suspect worn release bearing.

Knocking/rattling from clutch or gearbox in
neutral, which is reduced or disappears when the
clutch is depressed.

Suspect worn/weak release lever retainer or
clutch unit.

Noise from clutch or gearbox in neutral, which
disappears when clutch is depressed.

Suspect gearbox fault.

See MANUAL GEARBOX, Fault diagnosis,

Manual Gearbox
- Noise from gearbox in neutral, which
disappears when clutch is depressed.

HYDRAULIC FAULTS

Unable to dis-engage clutch, little or no pedal
resistance.

1. Check condition, specification and level of fluid.
2. Check pipes and cylinders for leaks.
3. Check that air vent in reservoir lid is clear.

Suspect faulty master cylinder if no fluid leaks
present.

See Repair, Master Cylinder

Spongy pedal operation

1. Check condition, specification and level of fluid.
2. Check that air vent in reservoir lid is clear.

Suspect air in fluid.

See Repair, Bleed Hydraulic System

Clutch is difficult to dis-engage and/or does not
immediately re-engage when pedal is released.

1. Check condition, specification and level of fluid.
2. Check that air vent in reservoir lid is clear.

Suspect pedal pivot, master cylinder or slave
cylinder seizure.

See Repair, Master Cylinder

Parts & tools for this job Staging For Land Rover Discovery

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