Clutches To apply or not to apply that

Clutches To apply or not to apply, that is the question.

Which is/has a clutch? 1. 2. 3. 4. 5. 6. 7. Fan A/C compressor Supercharger Manual trans Starter motor All of the above None of the above

Got Clutch? 2 X bonus points Image from Google Images

When the clutch pedal is up the clutch is: 1. 2. 3. 4. Engaged Disengaged Just friends Married

Clutch Components

Flywheel

Flywheel • Provides rotational mass (inertia) – Necessary to keep engine spinning at low rpm • Solid mounting for clutch assembly (heavy) • One half of the clutch friction surface

Clutch Components • Pressure plate – Bolted to the engine flywheel – Holds and releases clutch disc – Other friction surface

Clutch Components • Clutch disc – Is splined to the transmission input shaft – Transfers motion from the engine flywheel, through the pressure plate, to the transmission

Clutch Components • Release bearing – Presses against the pressure plate fingers when the driver depresses the clutch pedal

Cable Clutch

Hydraulic Clutch

Concentric Slave Cylinder

Clutch Service • Cable – freeplay, cable adjustment • Hydraulic – check for leaks • Clutch component wear – Slipping – Chatter or pulsation – Noise – Failure to disengage

Which can cause the clutch to not disengage? 1. Faulty clutch cable 2. Leaking slave cylinder 3. Broken pressure plate 4. All of the above 5. None of the above

Which component is most likely to cause noise when failing? 1. 2. 3. 4. 5. 6. Pressure plate Disc Release bearing Clutch fork All of the above None of the above will make noise