Question 1

What pin moves out of its notch and prevents the other shift rails from moving so that the transmission cannot be in two gears at once?

Accepted Answer

The interlock pin is designed to move out of its notch and prevent other shift rails from moving, ensuring that the transmission cannot engage in two gears simultaneously. This mechanism is crucial for the proper functioning of a manual transmission, preventing gear clash and potential damage.

Question 2

What are the three major types of manual transmissions used in the automotive industry?

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Question 3

The _____ assembly precisely locates the rail and shift fork and provides feel to the driver that a shift has been made.

Accepted Answer

The detent assembly is responsible for providing precise location of the rail and shift fork, as well as giving the driver a tactile "click" feeling when a shift has been completed. The clutch, interlock, and zeroshift are not directly related to this function.

Question 4

How is "shifting" accomplished in an automobile?

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Question 5

What is the purpose of a synchronizer? Describe the three stages of synchronization.

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Question 6

What are the four types of synchronizers used in synchromesh transmissions?

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Question 7

A _____ transmission is found in vehicles which have a transaxle mounted directly to the rear differential and use a shift shaft located at the front of the transmission.

Accepted Answer

This type of transmission is called a remote transmission because the shift linkage is located far away from the transmission itself, often near the dashboard or center console. Zeroshift and self-shifting are not types of transmissions, and automatic transmissions do not typically have shift shafts located at the front of the transmission.

Question 8

What is the one-piece machined unit that contains first, second, third, and fourth counter gears?

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Question 9

What is the difference in the two basic designs of gearshift linkages (external and internal)?

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Question 10

This figure shows five different ways to configure a transaxle system. Briefly describe the positions of the engine and transaxle in each configuration.

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Question 11

Technician A says some vehicles have the transmission remotely mounted from the differential. Technician B says the transaxle includes the transmission and final drive. Who is correct?

Accepted Answer

Technician A is correct because some vehicles do have the transmission mounted remotely from the differential, which is known as a rear-wheel drive configuration. Technician B is also correct because a transaxle is a combination of a transmission and a final drive, and is typically found in front-wheel drive vehicles. Therefore, both technicians are correct.

Question 12

What is the primary advantage of moving the transmission to the rear of the vehicle?

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Question 13

In the synchronizer assembly figure shown, list the names of the parts indicated by arrows. 
  
a. 
  
d. 
  
b. 
  
e. 
  
c. 
  
f.

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Question 14

What is the purpose of overdrive in the gear assembly?

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Question 15

What is the term used to describe a set of gear teeth which contain gaps between the teeth and are not close together?

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Question 16

What is the difference between a transmission and a transaxle?

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Question 17

What are the two primary purposes of the transmission?

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Question 18

What gear types are normally used in a transaxle?

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Question 19

Which transmission design is currently used only on farm and industrial machines?

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Quiz 4: Manual Transmissions Transaxles Servicing Transmissions Transaxles