Gear Shift Malfunction
Inspection procedure 2: Gear shift malfunctionDIAGNOSIS
Step 1. Check the excessive clutch pedal play.
Q: Does the clutch pedal play meet the standard value?
YES: Go to Step 2.
NO: Adjust the clutch pedal play. Then go to Step 9.
Step 2. Check the clutch disc for distortion and excessive oscillation.
Q: Is the clutch disc distorted or oscillated?
YES: Replace the clutch disc. Then go to Step 9.
NO: Go to Step 3.
Step 3. Check the clutch cover assembly for wear.
Q: Is the clutch cover assembly worn?
YES: Replace the clutch cover assembly. Then go to Step 9.
NO: Go to Step 4.
Step 4. Check the clutch disc spline for wear and corrosion.
Q: Is the clutch disc spline worn or corroded?
YES: Replace the clutch disc. Then go to Step 9.
NO: Go to Step 5.
Step 5. Check the clutch disc facing for peeling.
Q: Is clutch disc facing peeled?
YES: Replace the clutch disc. Then go to Step 9.
NO: Go to Step 6.
Step 6. Check the clutch release bearing for wear.
Q: Is the clutch release bearing worn?
YES: Replace the clutch release bearing. Then go to Step 9.
NO: Go to Step 7.
Step 7. Check the pressure plate and the flywheel for damage.
Q: Is the pressure plate or the flywheel damaged?
YES: Replace the clutch cover assembly or the flywheel. Then go to Step 9.
NO: Go to Step 8.
Step 8. Check the hydraulic system for leakage, air mix and clogging.
Q: Is there a leakage, air mix or clogging on the hydraulic system?
YES: Repair or replace the hydraulic system. Then go to Step 9.
NO: Go to Step 9.
Step 9. Check the symptom.
Q: Is the symptom reproduced?
YES: Return to Step 1.
NO: This diagnosis is complete.