Question 1

When rebuilding the clutch support tower, which of the following should be left on until the transmission is reassembled?

Accepted Answer

A)  Seal installer 
B)  Seal resizing tool 
C)  Clutch spring compressor 
D)  Seal protector 
A)  Seal installer 
B)  Seal resizing tool 
C)  Clutch spring compressor 
D)  Seal protector

Question 2

Transmission fluid must be drained when the transmission temperature is below 140˚ F or ________.

Accepted Answer

A)  the transmission sump will become blocked 
B)  very little fluid will drain from the unit 
C)  the valve body will submerge 
D)  all the fluid will start to leak 
A)  the transmission sump will become blocked 
B)  very little fluid will drain from the unit 
C)  the valve body will submerge 
D)  all the fluid will start to leak

Question 3

On a GM vehicle with a 6T40 transmission, the temperature of the transmission fluid can be displayed:

Accepted Answer

A)  with a scan tool. 
B)  on the driver's information center. 
C)  both A and B. 
D)  none of the above. 
A)  with a scan tool. 
B)  on the driver's information center. 
C)  both A and B. 
D)  none of the above.

Question 4

Identify the component of 6T40 transmission shown in the given figure

Accepted Answer

A)  Transfer chain arrangement 
B)  Drive and driven sprockets 
C)  Variable-force solenoid 
D)  Forward clutch 
A)  Transfer chain arrangement 
B)  Drive and driven sprockets 
C)  Variable-force solenoid 
D)  Forward clutch

Question 5

A customer comes in with a 6T40 transmission complaining that it seems like the transmission slips into neutral while sitting at a stop light and then as soon as they step on the gas pedal the transmission jumps into gear. Tech A states this could be caused by a bad solenoid

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 6

A vehicle with a 6T40 transmission comes into the shop with a customer complaint of the transmission slipping. You test drive the vehicle and find the transmission is slipping in 2nd and 6th gears. Tech A states that the intermediate clutch could be the cause. Tech B states that the direct clutch could be the cause. 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

Tech A states that the 6T40 is basically the same design as 6T45. Tech B states that the 6T40 is basically the same design as 6T50. 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 8

A vehicle with a 6F35 transmission is towed into the shop. The vehicle will not go into forward gears. Tech A states that the problem could be a bad brake band. Tech B states that the problem could be a bad forward clutch. 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

When reassembling the transmission, which of the following is done to ensure proper measurement of the clutch?

Accepted Answer

A)  Measure without installing frictions and steel into the case. 
B)  Use a feeler gauge along with a digital caliper to get precise readings. 
C)  Check in at least 10 places to ensure correctness. 
D)  Swap the top friction and steel temporarily so that a steel is on the top of the clutch pack. 
A)  Measure without installing frictions and steel into the case. 
B)  Use a feeler gauge along with a digital caliper to get precise readings. 
C)  Check in at least 10 places to ensure correctness. 
D)  Swap the top friction and steel temporarily so that a steel is on the top of the clutch pack.

Question 10

A vehicle with a 6T40 transmission comes into the shop with a customer complaint of the transmission slipping. You test drive the vehicle and find the transmission is slipping in 2nd and 6th gears. Tech A states that the intermediate clutch could be the cause. Tech B states that the direct clutch could be the cause. 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

The GM 6T40 transmission was developed jointly between GM and Ford.

Accepted Answer

A) True 
 B)False

Question 12

What measurement should be performed to check whether the overdrive/direct clutch assembly is installed properly on a GM 6T40 transmission?

Accepted Answer

A)  Measure the clutch pack clearance when it is installed with a feeler gauge. 
B)  Measure the distance from the top of the intermediate steel plate to the lip of the transmission case in three different places. 
C)  Measure the end play of the input shaft. 
D)  Measure the thickness of the thrust bearing. 
A)  Measure the clutch pack clearance when it is installed with a feeler gauge. 
B)  Measure the distance from the top of the intermediate steel plate to the lip of the transmission case in three different places. 
C)  Measure the end play of the input shaft. 
D)  Measure the thickness of the thrust bearing.

Question 13

A vehicle with a 6T40/6F35 transmission comes into the shop with a customer compliant of the transmission slipping. You test drive the vehicle and find that it is slipping in 1st gear. Tech A says this could be caused by a bad low reverse clutch. Tech B states this could be caused by a bad one-way roller. 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 14

Transmission fluid must be drained when the transmission temperature is below 140˚ F or ________.

Accepted Answer

A)  the transmission sump will become blocked 
B)  very little fluid will drain from the unit 
C)  the valve body will submerge 
D)  all the fluid will start to leak 
A)  the transmission sump will become blocked 
B)  very little fluid will drain from the unit 
C)  the valve body will submerge 
D)  all the fluid will start to leak

Question 15

A vehicle with a 6F35 transmission comes in with a transmission leak. After the leak is repaired, the fluid level needs to be checked. Tech A states that the fluid temperature must be below 140˚ F (60˚ C) or the level will be incorrect. Tech B states that the transmission will use Mercon V fluid. 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 16

If a precision bar and depth gauge are being used to measure the distance between the long legs of the center support and the low/reverse piston of a GM 6T40 transmission, what must be done to get a correct calculation?

Accepted Answer

A)  The thickness of the precision gauge must be added to the measurement. 
B)  The thickness of the precision gauge must be subtracted from the measurement. 
C)  The depth of the low reverse steel and the step of the transmission case must added to the measurement. 
D)  The depth of the low reverse steel, as measured from the step in the transmission case, and the thickness of the precise measurement must be added together to obtain the specified measurement. 
A)  The thickness of the precision gauge must be added to the measurement. 
B)  The thickness of the precision gauge must be subtracted from the measurement. 
C)  The depth of the low reverse steel and the step of the transmission case must added to the measurement. 
D)  The depth of the low reverse steel, as measured from the step in the transmission case, and the thickness of the precise measurement must be added together to obtain the specified measurement.

Question 17

Tech A sates that 6T30 is the smaller version of 6T40. Tech B states that 6T50 is the smaller version of 6T40. 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

When rebuilding the 6T40 transmission case, how many clutch seals need to be removed?

Accepted Answer

A)  1 
B)  4 
C)  5 
D)  6 
A)  1 
B)  4 
C)  5 
D)  6

Question 19

A customer comes in with a 6T40 transmission complaining that it seems like the transmission slips into neutral while sitting at a stop light and then as soon as they step on the gas pedal the transmission jumps into gear. Tech A states this could be caused by a bad solenoid E. Tech B states that this is a normal operating characteristic of this transmission. 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 20

For how long should all frictions be soaked in (the specified) automatic transmission fluid before being installed into the transmission?

Accepted Answer

A)  At least 15 minutes 
B)  At least 30 minutes 
C)  At least 1 hour 
D)  At least 1 day 
A)  At least 15 minutes 
B)  At least 30 minutes 
C)  At least 1 hour 
D)  At least 1 day

Exam 25: 6t40 6f35 Transmission

When rebuilding the clutch support tower, which of the following should be left on until the transmission is reassembled?

Transmission fluid must be drained when the transmission temperature is below 140˚ F or ________.

On a GM vehicle with a 6T40 transmission, the temperature of the transmission fluid can be displayed:

Identify the component of 6T40 transmission shown in the given figure

A customer comes in with a 6T40 transmission complaining that it seems like the transmission slips into neutral while sitting at a stop light and then as soon as they step on the gas pedal the transmission jumps into gear. Tech A states this could be caused by a bad solenoid

Tech A states that the 6T40 is basically the same design as 6T45. Tech B states that the 6T40 is basically the same design as 6T50. Who is correct?

A vehicle with a 6F35 transmission is towed into the shop. The vehicle will not go into forward gears. Tech A states that the problem could be a bad brake band. Tech B states that the problem could be a bad forward clutch. Who is correct?

When reassembling the transmission, which of the following is done to ensure proper measurement of the clutch?

The GM 6T40 transmission was developed jointly between GM and Ford.

What measurement should be performed to check whether the overdrive/direct clutch assembly is installed properly on a GM 6T40 transmission?

Transmission fluid must be drained when the transmission temperature is below 140˚ F or ________.

If a precision bar and depth gauge are being used to measure the distance between the long legs of the center support and the low/reverse piston of a GM 6T40 transmission, what must be done to get a correct calculation?

Tech A sates that 6T30 is the smaller version of 6T40. Tech B states that 6T50 is the smaller version of 6T40. Who is correct?

When rebuilding the 6T40 transmission case, how many clutch seals need to be removed?

For how long should all frictions be soaked in (the specified) automatic transmission fluid before being installed into the transmission?

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