Deck 70: Clutch Diagnosis and Service

Question 1

A clutch will normally last in excess of 100,000 miles.

Answer 1

True

Question 2

The term MOST-Likely used to refer to a driver's habit of resting a foot on the clutch pedal when driving is:

A)riding the clutch
B)dragging the clutch
C)grabbing the clutch
D)gravity bleeding

Answer 2

A

Question 3

Which of the following statements is LEAST-Likely true?

A)Do not wash the release bearing in solvent.
B)Do not wash clutch parts in mineral-based Stoddard solvent.
C)Clutch parts should be blown off with compressed air.
D)Use hot soapy water, brake parts cleaner, or alcohol to clean clutch parts.

Answer 3

C

Question 4

All of the following statements are true EXCEPT:

A)a clutch replacement usually includes a new disc, release bearing, clutch cover, pilot bearing or bushing, and sometimes a flywheel and/or front transmission seal.
B)asbestos fibers cannot pass through a regular vacuum bag.
C)clutch parts are balanced at the factory while on the engine.
D)always disconnect the battery ground cable before removing a transmission or transaxle.

Question 5

A ____ is usually replaced as preventive maintenance during a clutch job.

A)clutch hub
B)clutch fork
C)release bearing
D)slave cylinder

Question 6

A(n) ____________________ exists when the friction disc does not slip normally but grabs all at once.

Question 7

The event that will MOST-Likely occur when excess oil runs out of the input shaft and onto the clutch disc is:

A)clutch free play
B)clutch failure
C)chattering clutch
D)gravity bleeding

Question 8

With the engine running and the transmission in ____________________, if resting your foot on the pedal produces a noise, the release bearing is probably bad.

Question 9

Which of the following is LEAST-Likely the cause of a dragging clutch?

A)Bent disc
B)Damaged clutch bearing retainer
C)Binding linkage
D)Rusted input shaft

Question 10

While having a discussion, Technician A says that the thin piece of sheet metal that makes up the center portion of the clutch disc is called the flywheel. Technician B says that it is called the retainer plate. Who is correct?

A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question 11

The release bearing on vehicles without self-adjusting clutch-free travel is designed to contact the clutch release levers.

Question 12

A noise when the clutch is first engaged (pedal let out and disc being wedged against the flywheel and pressure plate) is due to a problem with the ____________________.

Question 13

All of the following statements are true EXCEPT:

A)abuse and extra heavy-duty use can also damage a clutch before it would normally wear out.
B)diagnosing a clutch problem before disassembly is very important.
C)when pulling a heavy load, the objective is to have the clutch fully engaged (pedal up) as soon as possible.
D)clutch pedal free travel is not part of clutch problem diagnosis.

Question 14

The pilot bushing or bearing in the crankshaft is often replaced as part of a(n) ____________________ job.

Question 15

When a disc is damaged because the engine was pulling a load at too low an engine rpm, the situation, called ____________________, is caused by driver error.

Question 16

The ____ is normally replaced any time the clutch is apart.

A)release bearing
B)slave cylinder
C)clutch fork
D)clutch disc

Question 17

A pulsating pedal is due to something internal in the clutch.

Question 18

While having a discussion, Technician A says that partial engagement is a common reason for a clutch to slip. Technician B says that a pulsating pedal is often the cause of a slipping clutch. Who is correct?

A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question 19

Worn or broken motor mounts often cause clutch dragging.

Question 20

Damage to the friction surface of a pressure plate or flywheel can cause a clutch to slip or give inconsistent performance.

Question 21

Why would a worn or bent clutch fork cause clutch chatter?

Question 22

When installing a new ring gear, what method would you use to test the heated temperature?

Question 23

Briefly describe the gravity bleeding procedure that is used to remove air from the hydraulic system.

Question 24

How would you test a clutch for slipping?

Question 25

How would you test the clutch for dragging?