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CONDITION POSSIBLE CAUSES CORRECTION Facing on flywheel side of disc torn, 1. Flywheel surface scored or 2. Correct surface condition if 2. Clutch disc sticking or binding on 2. Inspect components and Clutch disc facing burnt. Flywheel 1. Frequent operation under high 1. Correct condition of flywheel and 2. Driver frequently rides (slips) 2. Correct condition of flywheel and Clutch disc binds on input shaft 1. Clutch disc hub splines damaged 1. Clean, smooth, and lubricate hub 2. Input shaft splines rough, 2. Clean, smooth, and lubricate Clutch disc rusted to flywheel and/or 1. Clutch not used for and extended 1. Sand rusted surfaces with 180 Pilot bearing seized, loose, or rollers 1. Bearing cocked during 1. Install and lubricate a new 2. Bearing defective. 2. Install and lubricate a new 3. Bearing not lubricated. 3. Install and lubricate a new 4. Clutch misalignment. 4. Inspect clutch and correct as Clutch will not disengage properly. 1. Low clutch fluid level. 1. Replace hydraulic linkage 2. Clutch cover loose. 2. Follow proper bolt tightening 3. Clutch disc bent or distorted. 3. Replace clutch disc. 4. Clutch cover diaphragm spring 4. Replace clutch cover. 5. Clutch disc installed backwards. 5. Remove and install clutch disc 6. Release fork bent or fork pivot 6. Replace fork or pivot as 7. Clutch master or slave cylinder 7. Replace hydraulic linkage 6 - 8 CLUTCH XJ DIAGNOSIS AND TESTING (Continued) |