Pinpoint Test B : Clutch Excessive Noise Or Vibration
WARNING: This page is about a different variant/trim than selected.
- Normal Operation and Fault Conditions
REFER to: Clutch Controls - Component Location .
Possible Sources
- Accessory drive belt
- Clutch and brake pedal pivot shaft not correctly lubricated
- Clutch disc facing
- Engine component grounding against frame
- Flywheel
- Flywheel bolts loose
- Imbalanced clutch pressure plate
- Loose or damaged engine or transmission mounts
- Loose or damaged flywheel
- Oil on clutch disc facing
- Worn clutch disc
- Worn pressure plate
- Worn pressure plate springs
- B1 CHECK THE ENGINE OR TRANSMISSION MOUNTS
- Inspect all the engine and transmission mounts for looseness or damage.
Are any of the engine or transmission mounts loose or damaged?
Yes TIGHTEN or INSTALL new engine or transmission mounts. TEST the system for normal operation. No GO to B2 - B2 INSPECT THE PRESSURE PLATE BOLTS
- Inspect the pressure plate-to-flywheel bolts.
Are any of the pressure plate-to-flywheel bolts loose?
Yes TIGHTEN or INSTALL new bolts. REFER to: Clutch Disc and Pressure Plate - 2.3L EcoBoost (231kW/314PS) . REFER to: Clutch Disc and Pressure Plate - 5.0L 32V Ti-VCT . REFER to: Clutch Disc and Pressure Plate - 5.2L 32V Ti-VCT . No GO to B3 - B3 INSPECT THE PRESSURE PLATE
- Remove the clutch pressure plate.
- Inspect the clutch pressure plate for wear or damage.
Are any signs of damage present on the clutch pressure plate?
Yes INSTALL a new clutch pressure plate. REFER to: Clutch Disc and Pressure Plate - 2.3L EcoBoost (231kW/314PS) . REFER to: Clutch Disc and Pressure Plate - 5.0L 32V Ti-VCT . REFER to: Clutch Disc and Pressure Plate - 5.2L 32V Ti-VCT . TEST the system for normal operation. No GO to B4 - B4 CHECK THE CLUTCH DISC
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NOTE: If the internal damper of the clutch disc is damaged or contaminated with grease or oil, it will sound similar to a "transmission rattle".
- Check the clutch disc for wear or damage.
Is the clutch disc OK?
Yes GO to B5 No INSTALL a new clutch disc. REFER to: Clutch Disc and Pressure Plate - 2.3L EcoBoost (231kW/314PS) . REFER to: Clutch Disc and Pressure Plate - 5.0L 32V Ti-VCT . REFER to: Clutch Disc and Pressure Plate - 5.2L 32V Ti-VCT . TEST the system for normal operation. -
- B5 INSPECT THE FLYWHEEL
- Inspect the flywheel for wear or damage.
Is the flywheel OK?
Yes GO to B6 No REPAIR or INSTALL a new flywheel as necessary. REFER to: Flywheel - 2.3L . REFER to: Flywheel - 5.0L . REFER to: Flywheel - 5.2L . TEST the system for normal operation. - B6 INSPECT THE INPUT SHAFT
- Inspect the input shaft for signs of wear, damage or corrosion.
Are any signs of wear damage, or corrosion present on the input shaft?
Yes If wear or damage is found, INSTALL a new input shaft. REFER to: Transmission - 2.3L EcoBoost (231kW/314PS) - MT82 . REFER to: Transmission - 5.0L Ti-VCT V8 (308kW/418PS) - MT82 . REFER to: Transmission - 3160 . If corrosion is found on the splines of the input shaft, apply a small amount of grease to the splines of the input shaft. No VERIFY the customer concern. REFER to: Manual Transmission - MT82 . REFER to: Manual Transmission - 3160 .