Question 1

All of the following are permissible when testing a solenoid except:

Accepted Answer

A)  checking the resistance using an ohmmeter. 
B)  air-testing the solenoid. 
C)  cleaning the screen at the end of the solenoid. 
D)  cleaning the solenoids in a solvent tank. 
A)  checking the resistance using an ohmmeter. 
B)  air-testing the solenoid. 
C)  cleaning the screen at the end of the solenoid. 
D)  cleaning the solenoids in a solvent tank.

Question 2

Tech A states that the same vacuum pump used for air conditioning service can be used for testing a valve body. Tech B states that a different vacuum pump should be used for testing a valve body. Who is correct?

Accepted Answer

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

Question 3

Identify the device shown in the given figure.

Accepted Answer

A)  Valve body vacuum tester 
B)  Lube tester 
C)  Air tester 
D)  Solvent tester 
A)  Valve body vacuum tester 
B)  Lube tester 
C)  Air tester 
D)  Solvent tester

Question 4

A vacuum tester is used to test the valve body of an engine. Tech A states that the valve body should be placed down onto the mat with the transmission case side of the valve body facing up. Tech B states that the transmission case side of the valve body should face down. Who is correct?

Accepted Answer

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

Question 5

When calibrating the vacuum testing fixture, the valve on the pump inlet port should be adjusted so that the gauge indicates ________ of mercury.

Accepted Answer

A)  10" 
B)  8" 
C)  5" 
D)  0" 
A)  10" 
B)  8" 
C)  5" 
D)  0"

Question 6

Tech A says that you should disassemble the valve body carefully and keep the parts organized. Tech B states that it is not necessary to keep the parts organized as the valves are identified in the rebuild manuals. Who is correct?

Accepted Answer

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

Question 7

If the valve body is not going to be reinstalled into the transmission immediately:

Accepted Answer

A)  wipe it with emery cloth and store in the parts bin. 
B)  coat it with the correct automatic transmission fluid and place it in a ziplock bag. 
C)  do not attempt to clean it. 
D)  do not lubricate the valve body. 
A)  wipe it with emery cloth and store in the parts bin. 
B)  coat it with the correct automatic transmission fluid and place it in a ziplock bag. 
C)  do not attempt to clean it. 
D)  do not lubricate the valve body.

Question 8

Tech A states that valve bodies made of cast iron experienced little wear. Tech B states that valve bodies made of cast iron failed frequently. Who is correct?

Accepted Answer

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

Question 9

If the forward abuse bore plug of a valve body is worn, it can result in ________.

Accepted Answer

A)  delayed reverse engagement 
B)  AFL pressure loss 
C)  leaks 
D)  clutch slip 
A)  delayed reverse engagement 
B)  AFL pressure loss 
C)  leaks 
D)  clutch slip

Question 10

The vacuum pump used for air conditioning service is used to test the valve body using a vacuum tester. Tech A states that the pump can become contaminated with the transmission fluid. Tech B states that addition of transmission fluid in the pump does not damage the pump. Who is correct?

Accepted Answer

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

Question 11

Tech A states that a soft rubber mat placed below the valve body will lead to inaccurate readings. Tech B states that a soft rubber mat placed below the valve body will help prevent the vacuum from leaking out. Who is correct?

Accepted Answer

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

Question 12

Tech A states that it is sometimes not worth rebuilding a valve body if it is too worn. Tech B states all valve bodies can be rebuilt. Who is correct?

Accepted Answer

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

Question 13

________ is a coating that allows the valve to move more easily and helps prevent wear.

Accepted Answer

A)  Reaming 
B)  Electroplating 
C)  Anodizing 
D)  Preloading 
A)  Reaming 
B)  Electroplating 
C)  Anodizing 
D)  Preloading

Question 14

Tech A states that many shops will simply install a remanufactured valve body in every transmission they rebuild. Tech B states that the valve body will often require the majority of the service during the overhaul. Who is correct?

Accepted Answer

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

Question 15

Identify the component shown in the given figure.

Accepted Answer

A)  Cast iron valve body 
B)  Aluminum valve body 
C)  Steel valve body 
D)  Nickel coated valve body 
A)  Cast iron valve body 
B)  Aluminum valve body 
C)  Steel valve body 
D)  Nickel coated valve body

Question 16

Tech A states that many shops will simply install a remanufactured valve body in every transmission they rebuild. Tech B states that the valve body will often require the majority of the service during the overhaul. Who is correct?

Accepted Answer

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

Question 17

Tech A states that the vacuum testing fixture does not need calibration. Tech B states that the vacuum testing fixture needs to be calibrated before testing the valve body. Who is correct?

Accepted Answer

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

Question 18

Tech A sates that the pressure switches in a transmission should be tested with an ohmmeter. Tech B states that all pressure switches should be replaced during an overhaul. Who is correct?

Accepted Answer

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

Question 19

A vacuum reading of ________ of mercury on the vacuum testing fixture indicates a valve or bore that is completely worn out and must be repaired.

Accepted Answer

A)  5" 
B)  10" 
C)  15" 
D)  25" 
A)  5" 
B)  10" 
C)  15" 
D)  25"

Question 20

A vacuum reading of ________ of mercury on the vacuum testing fixture indicates a valve with no leakage.

Accepted Answer

A)  5" 
B)  10" 
C)  15" 
D)  25" 
A)  5" 
B)  10" 
C)  15" 
D)  25"

Exam 17: Valve Body and Electric Service

All of the following are permissible when testing a solenoid except:

Tech A states that the same vacuum pump used for air conditioning service can be used for testing a valve body. Tech B states that a different vacuum pump should be used for testing a valve body. Who is correct?

Identify the device shown in the given figure.

A vacuum tester is used to test the valve body of an engine. Tech A states that the valve body should be placed down onto the mat with the transmission case side of the valve body facing up. Tech B states that the transmission case side of the valve body should face down. Who is correct?

When calibrating the vacuum testing fixture, the valve on the pump inlet port should be adjusted so that the gauge indicates ________ of mercury.

Tech A says that you should disassemble the valve body carefully and keep the parts organized. Tech B states that it is not necessary to keep the parts organized as the valves are identified in the rebuild manuals. Who is correct?

If the valve body is not going to be reinstalled into the transmission immediately:

Tech A states that valve bodies made of cast iron experienced little wear. Tech B states that valve bodies made of cast iron failed frequently. Who is correct?

If the forward abuse bore plug of a valve body is worn, it can result in ________.

The vacuum pump used for air conditioning service is used to test the valve body using a vacuum tester. Tech A states that the pump can become contaminated with the transmission fluid. Tech B states that addition of transmission fluid in the pump does not damage the pump. Who is correct?

Tech A states that a soft rubber mat placed below the valve body will lead to inaccurate readings. Tech B states that a soft rubber mat placed below the valve body will help prevent the vacuum from leaking out. Who is correct?

Tech A states that it is sometimes not worth rebuilding a valve body if it is too worn. Tech B states all valve bodies can be rebuilt. Who is correct?

________ is a coating that allows the valve to move more easily and helps prevent wear.

Tech A states that many shops will simply install a remanufactured valve body in every transmission they rebuild. Tech B states that the valve body will often require the majority of the service during the overhaul. Who is correct?

Identify the component shown in the given figure.

Tech A states that many shops will simply install a remanufactured valve body in every transmission they rebuild. Tech B states that the valve body will often require the majority of the service during the overhaul. Who is correct?

Tech A states that the vacuum testing fixture does not need calibration. Tech B states that the vacuum testing fixture needs to be calibrated before testing the valve body. Who is correct?

Tech A sates that the pressure switches in a transmission should be tested with an ohmmeter. Tech B states that all pressure switches should be replaced during an overhaul. Who is correct?

A vacuum reading of ________ of mercury on the vacuum testing fixture indicates a valve or bore that is completely worn out and must be repaired.

A vacuum reading of ________ of mercury on the vacuum testing fixture indicates a valve with no leakage.

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