Manual Trans Final

A 2008 Tacoma clutch pedal fails the free play test. Which of the following is the most likely cause? A. A misadjusted clutch pedal push rod B. A misadjusted cruise control switch C. A worn clutch cable D. A worn clutch master cylinder

A

A vehicle enters the shop with a clutch that only partially disengages when the clutch pedal is depressed. The technician carefully peels back the dust boot around the piston of the release cylinder. What is the technician inspecting? A. Release cylinder fluid seal B. Release cylinder free play C. Release cylinder pressure relief valve D. Release cylinder reaction time

A

After a recent clutch replacement, a creak noise is heard whenever the clutch pedal is fully depressed. What is the most likely cause? A. Failure to lubricate clutch fork pivot B. Failure to lubricate hydraulic control master cylinder C. Failure to lubricate hydraulic control release cylinder D. Excessive lubricant applied to clutch pedal pivot bushings

A

When engaged, the clutch disc transmits power from the ______________ to the ____________. A. Flywheel to the input shaft B. Release bearing to the diaphragm spring C. The flywheel to the release bearing D. The flywheel to the clutch cover

A

What is the oil capacity for the front differential of this vehicle? (see reference 1) A. 1.85 to 1.95 US qts. a) 1.85 to 1.95 US qts. B. 1.85 to 1.95 liters C. 1.85 to 1.95 Imp. qts. D. None of the above

B

What is the oil capacity for the rear differential of this vehicle? (See reference 1) A. 4.15 to 4.25 US qts B. 4.39 to 4.49 US qts C. 3.66 to 3.74 US qts D. None of the above

B

Which of the following categories could a 1.00:1 gearing be referred to as? A. Under drive B. Direct drive C. over drive D. worm drive

B

A clutch that does not disengage can be caused by all the following except: A. Air in clutch hydraulic lines B. Clutch pedal free travel out of adjustment C. Clutch disc torsion springs broken D. Clutch disc worn

D

A flywheel performs which of the following function? A. Stores and releases energy pulses from the engine. B. Provides a friction surface for the clutch C. Dissipates heat. D. All of the above

D

A technician refers to gearing that reduces output speed but increases torque as gear reduction or underdrive gearing. Which of the following gear ratios would be an underdrive? A. 4.11:1 B. 3.73:1 C. 1.00:1 D. Both a and b

D

Front differential drain plug torque is? (See reference 1) A. 39 nm B. 400 kgf cm C. 29 ft-lbs D. All of the above

D

Hard shifting can be caused by all of the following except: A. Air in clutch hydraulic lines or cylinders B. Faulty clutch master cylinder C. Faulty clutch release cylinder D. Worn clutch disc

D

Two technicians are discussing 4WD. Technician A says propeller shafts send power to the drive wheels. Technician B says drive shafts send power to the axles. Who is correct?

Neither

Two technicians are discussing bleeding the air out of a hydraulic clutch release system. Technician A says Dexron III fluid should be used to bleed air out of the system. Technician B states that gravity bleeding the system will remove any air trapped in the lines or cylinders. Who is correct?

Neither

Two technicians are discussing gear reduction and torque multiplication factors. Technician A adds the number of teeth on both the drive and driven gear to calculate the torque multiplication factor. Technician B divides the number of teeth on the drive gear by the driven gear to calculate the torque multiplication factor. Who is correct?

Neither

Technician A says clutch chatter can be caused by grease or oil on the clutch disc. Technician B says a defective clutch master cylinder may cause clutch chatter. Who is correct?

Tech A

Technician A says clutch slippage can be caused by clutch pedal free play which is out of adjustment. Technician B says clutch slippage can be caused by air in the clutch hydraulic system. Who is correct?

Tech A

Technician A says: the release bearing is forced against the pressure plate by the clutch fork. Technician B says: the input bearing is located on the countershaft on late model vehicles. Who is correct?

Tech A

Two technicians are diagnosing a manual transmission with a squeal which is only detected when the engine is running and the clutch pedal is fully depressed. Technician A says a faulty transmission pilot bearing could be the cause. Technician B says a faulty clutch disc could be the cause. Who is correct?

Tech A

Two technicians are discussing clutch cover design and operation. Technician A says the diaphragm spring forces the pressure plate toward the flywheel. Technician B says diaphragm spring forces the pressure plate away from the flywheel. Which technician is correct?

Tech A

Two technicians are discussing clutch release systems. Technician A says the most common release system used in manual transmissions is hydraulic linkage. Technician B says the most common release system used in a modern manual transmission is clutch- by-wire. Who is correct?

Tech A

Two technicians are discussing final drive. Technician A says final drive is the last gear reduction ratio in the drivetrain. Technician B says final drive is the last gear reduction ratio in the transmission. Who is correct?

Tech A

Two technicians are discussing gearing. Technician A says overdrive gearing reduces torque. Technician B says overdrive gearing increases torque. Who is correct?

Tech A

Two technicians are discussing the purpose of the release bearing in a manual transmission / transaxle. Technician A says the purpose of a release bearing is to transfer the movement of the clutch release fork into the rotating diaphragm spring. Technician B says the clutch release bearing's purpose is to apply pressure to the clutch cover when the clutch pedal is released. Who is correct?

Tech A

Two technicians are discussing transmission lubrication. Technician A says most Toyota manual transmissions require lubricant to be filled to within 5.0 mm of the filler plug hole. Technician B says most Toyota manual transmissions require lubricant to be filled to within 5.0 mm of the vent hole. Who is correct?

Tech A

Two technicians are discussing 4WD. Technician A says 4WD is accomplished by placing a transmission at each axle. Technician B says 4WD is accomplished by placing a transfer case in the drivetrain. Who is correct?

Tech B

Two technicians are discussing Active Torque Control. Technician A says Active Torque Control varies the propeller shaft to rear differential connection by varying voltage at the Electric Control Coupling. Technician B says Active Torque Control varies the propeller shaft to rear differential connection by varying amperage at the Electric Control Coupling. Who is correct?

Tech B

Two technicians are discussing a hydraulic clutch release cylinder. Technician A says it's connected to the clutch pedal. Technician B says it's operated by fluid pressure. Who is correct?

Tech B

Two technicians are discussing differentials. Technician A says that one differential in a 4WD drivetrain better handles different wheel speeds front to rear and left to right. Technician B says multiple differentials better handle different wheel speeds front to rear and left to right. Who is correct?

Tech B

Two technicians are discussing engine torque. Technician A says that maintaining highway speed requires the most torque. Technician B says that accelerating to highway speed requires the most torque. Who is correct?

Tech B

Two technicians are discussing the need for a rear differential during turning. Technician A says the differential allows for the inside wheel to turn faster than the outside wheel. Technician B says the differential allows for the inside wheel to turn slower than the outside wheel. Who is correct?

Tech B

Two technicians are discussing transmission lubrication. Technician A says the R- series manual transmissions use an oil pump assembly. Technician B says the R- series manual transmissions use motion of the lower gears to distribute lubricant splash style. Who is correct?

Tech B

Tech A says a viscous coupling operates by sensing a rotational (speed) difference between front and rear wheels. Tech B says it operates by generating torque in the direction that reduces rotational difference.

Both

Technician A says clutch drag can develop if there is a hydraulic leak in the clutch hydraulic system. Technician B says clutch drag can develop if the clutch is misaligned during installation. Who is correct?

Both

Technician A says clutch slippage can be caused by an improperly adjusted clutch linkage. Technician B says a defective release cylinder can prevent a clutch from disengaging. Who is correct?

Both

Two technicians are discussing a transmission that has had numerous seals replaced and is still leaking oil. Technician A says the transmission vent may be plugged. Technician B says pressure is building in the transmission due to heat. Who is correct?

Both

Two technicians are discussing clutch disc components. Technician A says the torsion damper assembly reduces or eliminates vibrations from uneven engine and drivetrain power pulses. Technician B says the splines in the Hub allow the disc to slide smoothly on the input shaft splines. Who is correct?

Both

Two technicians are discussing clutch slippage. Technician A says grease on a clutch disc can create clutch slippage. Technician B says insufficient pedal free-play can cause clutch slippage. Who is correct?

Both

Two technicians are discussing differential lubrication. Technician A says too much oil will lead to differential problems. Technician B says too little oil will lead to differential problems. Who is correct?

Both

Two technicians are discussing drivetrain types. Technician A says that FWD indicates engine power is sent to the front wheels. Technician B says that 4WD indicates engine power is sent to all four wheels. Who is correct?

Both

Two technicians are discussing transmission lubrication. Technician A says counter shaft gears rotating in lubricant can be used to fill troughs or funnels. Technician B says troughs and funnels can direct oil to various rotating transmission parts. Who is correct?

Both

Two technicians are discussing viscosity. Technician A says viscosity is determined by how a fluid flows through a known orifice at a particular temperature. Technician B says viscosity relates to a fluid's thickness. Who is correct?

Both

Front differential filler plug torque is? (See reference 1) A. 36 ft·lbf B. 500 kgf·cm C. 29 ft·lbf D. None of the above

C

Rear differential filler plug torque is A. 49 ft-Ibf B. 10 mm C. 36 ft·lbf D. None of the above

C

What tools are used to measure clutch disc axial runout and minimum rivet depth? A. Micrometer, dial indicator B. Micrometer, Vernier caliper C. Dial indicator, Vernier caliper D. Micrometer, measuring tape

C

When replacing the clutch you should replace the following except: A. Clutch cover B. Clutch release bearing C. Clutch fork D. Pilot bearing

C

rear differential drain plug torque is? (See reference 1) A. 10 mm B. 29 ft-Ibf C. 36 ft-Ibf D. None of the above

C