Pinpoint Test E: Clutch Related Vibrations
- E1 CHECK FOR ENGINE COMPONENT GROUNDING
- Raise and support the vehicle.
- Check the engine mount interlocks for grounding on the body or frame.
- Check the exhaust manifold or other engine component grounding on the body or frame.
- Is there evidence of grounding on body or frame?
Yes : REPAIR or INSTALL a new as necessary. TEST the system for normal operation.
No : GO to E2.
- E2 CHECK FOR ACCESSORY DRIVE VIBRATIONS
- Feel accessory vibration at clutch engage/disengage when engine torque changes.
- Disconnect the accessory drive belt and check for vibration.
- Does the vibration stop when the drive belt is removed from the engine?
Yes : REPAIR or INSTALL new accessory drive belt components. REFER to ACCESSORY DRIVE .
No : GO to E3.
- E3 CHECK FOR RELEASE BEARING NOISE
- Start engine.
- Depress and hold clutch pedal.
- Is a whirring, grating or grinding noise present?
Yes : INSTALL a new clutch slave cylinder. REFER to CLUTCH CONTROLS . TEST the system for normal operation.
No : GO to E4.
- E4 INSPECT THE FLYWHEEL
- Remove the transaxle. Refer to MANUAL TRANSAXLE-TRANSMISSION .
- Inspect for loose flywheel bolts.
- Carry out flywheel runout check. Refer to ENGINE SYSTEM-GENERAL INFORMATION .
- Is the flywheel OK?
Yes : Diagnose engine vibration concern. REFER to ENGINE SYSTEM-GENERAL INFORMATION .
No : TIGHTEN the flywheel bolts or INSTALL a new flywheel. REFER to CLUTCH . TEST the system for normal operation.