Podcast
Questions and Answers
What is the purpose of the clutch assembly?
What is the purpose of the clutch assembly?
- To connect engine power to the transmission/transaxle
- To disconnect engine power from the transmission/transaxle (correct)
- To absorb power impulses and vibration
- To provide smooth torque engagement
Which components make up the clutch assembly?
Which components make up the clutch assembly?
- Clutch disc, release bearing, clutch cover assembly, and flywheel (correct)
- Clutch disc, pressure plate, flywheel, and hub assembly
- Clutch disc, release bearing, pressure plate, and flywheel
- Clutch disc, cushion spring, pressure plate, and flywheel
What is the function of the clutch disc?
What is the function of the clutch disc?
- To transfer engine torque from the flywheel to the input shaft of the transmission/transaxle (correct)
- To absorb shock and allow for smooth clutch engagement
- To reduce torsional vibrations from the engine
- To prevent drag on the flywheel
Why is the coefficient of friction between the clutch friction surfaces crucial for proper clutch function?
Why is the coefficient of friction between the clutch friction surfaces crucial for proper clutch function?
What must clutch friction material withstand?
What must clutch friction material withstand?
What is the purpose of the cushion spring or marcel spring?
What is the purpose of the cushion spring or marcel spring?
What is the function of the hub and damper assembly?
What is the function of the hub and damper assembly?
What is the purpose of the pressure plate assembly?
What is the purpose of the pressure plate assembly?
What are the two main types of pressure plates?
What are the two main types of pressure plates?
How do diaphragm spring pressure plates compare to coil spring pressure plates?
How do diaphragm spring pressure plates compare to coil spring pressure plates?
What can cause pressure rings to warp and lose contact with the disc?
What can cause pressure rings to warp and lose contact with the disc?
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Study Notes
- The clutch assembly is located between the engine and transmission/transaxle.
- The purpose of the clutch is to disconnect engine power from the transmission/transaxle, connect and transmit engine torque, dampen and absorb power impulses and vibration, and provide smooth torque engagement.
- The clutch assembly consists of a clutch disc, release bearing, clutch cover assembly, and flywheel.
- The clutch disc transfers engine torque from the flywheel to the input shaft of the transmission/transaxle.
- The coefficient of friction between the clutch friction surfaces is crucial for proper clutch function.
- Clutch friction material must withstand heat generated during engagement and disengagement.
- The cushion spring or marcel spring absorbs shock and allows for smooth clutch engagement.
- The hub and damper assembly allow the clutch disc to slide forward and back to prevent drag on the flywheel.
- The torsional damper reduces torsional vibrations from the engine.
- The pressure plate assembly exerts force on the clutch disc for engine torque transmission.
- A pressure plate is a key component of a clutch system.
- There are two main types of pressure plates: coil spring and diaphragm spring.
- Diaphragm spring pressure plates are smaller, lighter, and have fewer parts.
- Pedal effort is lower for diaphragm spring clutches than for coil spring clutches.
- Pressure plate diameter should be the same size or slightly larger than the disc diameter.
- Excess heat can cause pressure rings to warp and lose contact with the disc.
- The cover is the housing that transmits torque from the flywheel to the pressure ring.
- Centrifugal force can affect diaphragm clutches at high RPM.
- Bent finger diaphragms prevent the fingers from traveling over center during high-RPM shifts.
- Pressure plates play a crucial role in the overall performance and longevity of a clutch system.
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