Trades & Technology - Automotive, Helping Quiz 7

1

While discussing a 6L45, 6L50, 6L80 or 6L90 with no reverse all other ranges work great. Technician A states this could be caused by a faulty output carrier front sun gear. Technician B states this could be caused by a faulty clutch select valve 3. Who is correct?

2

All of the following problems could result in clutch disc burning EXCEPT:

3

While discussing a 6L45, 6L50, 6L80 or 6L90 with a whining noise in park. Technician A states this could be caused by a faulty input internal gear. Technician B states this could be caused by a faulty input sun gear. Who is correct?

4

Student A says that diagnostic trouble codes can be read from a light on the dash. Student B says that the diagnostic trouble codes will pinpoint the problem. Who is correct?

5

Student A says that if a transmission uses a comfort power switch, the shift will raise the shift points when it is in the power position. Student B says that if a transmission uses a comfort power switch, it will produce firmer shifts when it is in the comfort position. Who is correct?

6

If the shift solenoids fail in a Chrysler 41TE transmission, what gear will the transmission be in?

7

If both shift solenoids on a typical Toyota transmission are inoperative, what gear will the transmission be in?

8

Six actuators that are computer controlled are ________, ________, ________, ________, serial data, and ________.

9

Identify the input that an electronically controlled transmission uses for: Input shaft

10

The three major parts that an electronic control system can be divided into are ________, ________, and ________.

11

The vehicle speed sensor is driven by the:

12

An electrical circuit must have which of the following to operate:

13

Electronic control of the automatic transmission provides for accurate control of shift ________ and ________.

14

A normally vented solenoid ________ allow fluid to flow to the sump when it is not energized.

15

Technician A says that the exhaust system can be checked for restriction by using a vacuum gauge attached to manifold vacuum and operating the engine at idle speed. Technician B says the exhaust is restricted if the vacuum increases at 2,000 RPM. Which technician is correct?

16

An engine is idling too fast when the engine reaches operating temperature. Tech A says that the engine could have a vacuum leak. Tech B says that the throttle linkage or cable could be stuck.

17

A low fluid level may be caused by a leak in all of the following EXCEPT:

18

On a 3/8”- 18 UNC tap, the number “18” designates what?

19

In order to achieve the proper clamping force (load), fasteners should be _________ , lubricated (as specified) and tightened with a ______________. :

20

Match the term to the definition: (Auto)

21

Why are torque to yield bolts always replaced after they have been used?

22

An internal threaded hole has damaged threads, the acceptable methods of repairing the damage is to:

23

The grade or strength of a bolt is identified by:

24

A head bolt hole for the cylinder head on a GM LS engine has damaged threads, the GM approved methods of repairing the damage is to:

25

A threaded hole is damaged and cannot be corrected with a thread chaser, the acceptable methods of repairing the damage is to:

26

What are the three most critical fasteners in an engine?

27

Why is the torque/angle bolt tightening method preferred by many manufacturers over the straight torque method?

28

Marker Lights:

29

A clutch is being removed to gain access to replace a leaking block expansion plug. Technician A says that the pressure plate should be marked so it can be reinstalled in the same location on the flywheel just in case the vehicle uses a clutch/flywheel that is balanced as an assembly. Technician B says that the clutch disc should be marked so it can be installed on the input shaft in the same location. Which technician is correct?

30

Two technicians are discussing clutch linkage adjustment. Technician A states that most hydraulic clutches are self-adjusting and that no adjustment is needed. Technician B states that many cable-operated clutches are self-adjusting and that no adjustment is needed. Which technician is correct?

31

An owner of a manual transmission vehicle complained that the clutch slipped during hard acceleration. Technician A states that the clutch linkage may need adjustment. Technician B states the clutch may require replacement. Which technician is correct?

32

After a clutch assembly was installed in a pickup truck equipped with a hydraulic clutch, the clutch would not disengage. Technician A states that the hydraulic clutch may need to be properly bled. Technician B states the clutch master cylinder may be defective. Which technician is correct?

33

A scored front bearing retainer (quill) was discovered when the transmission was removed to replace a worn and slipping clutch. Technician A states that the front bearing should be replaced. Technician B states that the retainer should be replaced to provide the proper operation of the throw out (release) bearing. Which technician is correct?

34

Technician A says that the flywheel should be resurfaced whenever the clutch friction disc and pressure plate are replaced. Technician B says that it may be necessary to install a shim between the crankshaft and the flywheel if the flywheel is machined. Which technician is correct?

35

A transmission is low on lubricant. Which component is the least likely to fail?

36

A 5-speed manual transmission jumps out of fifth gear while driving. What is the most likely cause?

37

Technician A says that a cracked or worn shift fork can cause hard shifting. Technician B says that excessive input shaft or mainshaft end play can cause hard shifting. Which technician is correct?

38

A manual 5-speed transmission in a rear-wheel-drive vehicle is noisy in all gears except fourth. Technician A says that the main shaft bearing(s) is likely to be defective. Technician B says that the countershaft bearing(s) is likely to be defective. Which technician is correct?

39

A manual transmission is difficult to shift but only when the outside temperature is below freezing (32 F or 0 C). Technician A says that the brass blocking ring could be defective. Technician B says that incorrect gear lubricant could be the cause. Which technician is correct?

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Trades & Technology - Automotive, Helping Quiz 7

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