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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 Suspect gearbox input/primary shaft bearings. Noise from clutch or gearbox in neutral, which Suspect worn release bearing. Knocking/rattling from clutch or gearbox in Suspect worn/weak release lever retainer or Noise from clutch or gearbox in neutral, which Suspect gearbox fault. See MANUAL GEARBOX, Fault diagnosis, Manual Gearbox HYDRAULIC FAULTS Unable to dis-engage clutch, little or no pedal 1. Check condition, specification and level of fluid. Suspect faulty master cylinder if no fluid leaks See Repair, Master Cylinder Spongy pedal operation 1. Check condition, specification and level of fluid. Suspect air in fluid. See Repair, Bleed Hydraulic System Clutch is difficult to dis-engage and/or does not 1. Check condition, specification and level of fluid. Suspect pedal pivot, master cylinder or slave See Repair, Master Cylinder |