Inspection Procedure 5: When the Clutch Is Engaged, Abnormal Vibration Occurs.

INSPECTION PROCEDURE 5: When the Clutch is Engaged, Abnormal Vibration Occurs.

DIAGNOSIS

STEP 1. Check the engine and transaxle mounting for loosening and damage.
Q: Is the engine and transaxle mounting loosened or damaged?
YES: Tighten or replace the engine and transaxle mounting. Then go to Step 8.
NO [5M/T]: Go to Step 2.
NO [6M/T]: Go to Step 3.

STEP 2. Check the release fork for sticking.
Q: Is the release fork stuck?
YES: Repair or replace the release fork. Then go to Step 8.
NO: Go to Step 4.

STEP 3. Check the concentric slave cylinder for deformation.
Q: Is deformation found on concentric slave cylinder?
YES: Replace the concentric slave cylinder. Then go to Step 8.
NO: Go to Step 4.

STEP 4. Check the diaphragm spring for uneven height.
Q: Is the diaphragm spring even height?
YES: Go to Step 5.
NO [5M/T]: Replace the clutch cover assembly. Then go to Step 8.
NO [6M/T]: Replace the clutch disc and clutch cover assembly. Then go to Step 8.

STEP 5. Check the pressure plate and flywheel for damage.
Q: Is the pressure plate or flywheel damaged?
YES [5M/T]: Replace the clutch cover assembly or the flywheel. Then go to Step 8.
YES [6M/T]: Replace the clutch disc and clutch cover assembly or the flywheel. Then go to Step 8.
NO: Go to Step 6.

STEP 6. Check the clutch disc facing for wear and damage.
Q: Is the clutch disc facing worn or damaged?
YES [5M/T]: Replace the clutch disc. Then go to Step 8.
YES [6M/T]: Replace the clutch disc and clutch cover assembly. Then go to Step 8.
NO: Go to Step 7.

STEP 7. Check for grease or oil on the clutch disc facing.
Q: Is there grease or oil on the clutch disc facing?
YES [5M/T]: If the clutch disc facing is contaminated with grease or oil, check that grease is applied to the clutch disc spline. Then check the clutch housing input shaft oil seal and the crank shaft rear oil seal for leakage, and replace the oil seal(s). Replace the clutch disc. Then go to Step 8.
YES [6M/T]: If the clutch disc facing is contaminated with grease or oil, check that grease is applied to the clutch disc spline. Then check the clutch housing input shaft oil seal and the crank shaft rear oil seal for leakage, and replace the oil seal(s). Replace the clutch disc and clutch cover assembly. Then go to Step 8.
NO: Go to Step 8.

STEP 8. Check again for the symptom.
Q: Is the symptom reproduced?
YES: Return to Step 1.
NO: The procedure is complete.