AUT 116 Trans

When the 1-2 shift rail is moved into first gear, the 3-4 and 5-R shift rails are prevented from moving by the ______.

interlock pin

Which of the following is NOT an advantage of a diaphragm-type clutch pressure plate assembly?

manually adjustable clamping pressure

Which statement concerning dual-mass flywheels is false?

Dual-mass flywheels are only used on heavy trucks.

A gear ratio of 4:1 is lower than a gear ratio of 2:1.

True

Which type of joint is NOT a constant velocity type joint?

U-joint

Driveshaft speed variation is being discussed. Technician A says the speed variations at the transmission yoke end of the driveshaft are canceled out by the speed variations at the pinion flange end. Technician B says the operating angles at each end must be equal for the speed variations to cancel each other out. Who is correct?

both A and B

Technician A checks the flywheel for runout [warpage] using a dial indicator. Technician B uses a straightedge to check the pressure plate for warpage. Who is correct?

both A and B

Technician A says clutch linkage may be mechanically or hydraulically operated. Technician B says clutch linkage includes shaft and lever linkage and cable linkage designs. Who is correct?

both A and B

Technician A says spur gears have straight cut teeth. Technician B says helical gears have teeth cut at an angle. Who is correct?

both A and B

Technician A says the differential allows torque to be transmitted to the driving axles at different speeds when the vehicle is turning a corner. Technician B says the gear ratio of the drive axle's ring and pinion gears provide a gear reduction and torque multiplication. Who is correct ?

both A and B

Technician A says the outboard CV joint allows torque to be transmitted through a working angle of up to 20 degrees as the suspension moves up and down. Technician B says the CV joint transmits torque to the front wheels at an angle of up to 40 degrees as the vehicle is steered right and left. Who is correct?

both A and B

The owner of an FWD car complains that the vehicle jumps out of second and fourth gears when he accelerates hard. Technician A says there could be insufficient clearance between the shifter boot and the shifter. Technician B says one of the engine mounts could be broken. Who is correct?

both A and B

A grinding noise during shifting indicates gear ____________________.

clash

The bell housing is often called a(n) ____________________ housing.

clutch

The surface of the pressure plate contacts the ______.

clutch disc

Which of the following is not a type clutch release linkage?

electromechanical

Using a lubricant that is thicker than service manual specifications can lead to ______.

hard shifting

A disadvantage of ____________________ gears is axial thrust.

helical

CV joints are lubricated with ______.

high-temperature, high-pressure grease

Transmission gearing is located within an aluminum or iron casting called the transmission ____________________ assembly.

housing

A(n) _____ gear is used to transfer motion without changing rotational direction.

idler

Before servicing the rear U-joint, slip joint, or center bearing on a two-piece drive shaft, ______.

make index marks on both ends of the driveshaft

A transmission is being assembled, but the mainshaft and input shaft do not easily slide into their bores in the transmission case. Technician A installs the mainshaft assembly into the case by tightening the extension housing retaining bolts. Technician B installs the input shaft by tightening the front bearing retainer bolts. Who is correct?

neither A nor B

Technician A says that a leaking clutch master cylinder primary seal will cause fluid to leak onto the clutch pedal and driver's footwell. Technician B says that a leaking clutch master cylinder secondary seal will not show externally but will cause the pedal to be low and spongy. Who is correct?

neither A nor B

A gear ratio of 0.80:1 is a(n) _____ ratio

overdrive

The number of gear teeth per unit of measurement around the gear's diameter is known as gear _____.

pitch

Pinion gear depth is adjusted by ______.

shims placed between the pinion bearing and pinion gear

The shifter fork engages a groove in the synchronizer ___________________.

sleeve

What could cause transmission fluid to drip from the transmission vent?

wrong type of transmission fluid

Clutch drag occurs if the clutch disc is not completely released when the clutch pedal is fully depressed.

True

If you tighten bolts to try to force a transmission into place, the case can break.

True

Jumping out of gear is often caused by loose, worn, or out-of-adjustment shift linkage.

True

Limited-slip axles require a special friction modifier fluid, added to the gear oil.

True

A clutch release bearing is often called a(n) ____________________ bearing.

throw-out

Which of the following is NOT a spring type used in pressure plate assemblies?

torsional

The clutch friction disc always rotates with the ______.

transmission input shaft

You should check the pressure plate for ____________________ with a straightedge and feeler gauge.

warpage

Technician A says in a conventional transmission, the speed gears freewheel around the mainshaft until they are locked to it by the synchronizer. Technician B says when not engaged, speed gears slide away from the counter gears until they are no longer in mesh. Who is correct?

. A only

When the vehicle is turning left, ______.

. All the answers are correct

Which of the following gear ratios shows an overdrive condition?

0.85:1

The reverse lockout system prevents shifting the transmission into reverse when the vehicle speed exceeds ______ mph.

12

If the engine is running at 3,000 rpm and the wheels are spinning at 500 rpm the overall gear ratio is ___________________to one.

6.0

A rough growling noise occurs when the vehicle is moving and the transmission is in forward or reverse gears. The noise is not heard when the transmission is in neutral. Technician A says the output or mainshaft bearings may be faulty. Technician B says the pilot bearing may be faulty. Who is correct?

A only

Technician A says a fixed-style CV joint may be called a Rzeppa joint. Technician B says a plunging-style CV joint may be called a Rzeppa joint. Who is correct?

A only

Technician A says broken or worn engine and transaxle mounts can cause a transaxle to have shifting problems. Technician B says poor shift boot alignment cannot cause a transaxle to jump out of gear. Who is correct?

A only

Technician A says the speeds at which two meshed gears turn depend on the number of teeth on each gear. Technician B says if the driving gear has fewer teeth than the driven gear, the speed of the driven gear increases. Who is correct?

A only

The owner of a car complains that the gears grind when shifting into reverse. Technician A says the clutch has excessive freeplay. Technician B says there could be oil on the clutch disk facing. Who is correct?

A only

The bearing cups of a conventional U-joint are retained by ______.

All the answers are correct

What could cause a clutch pedal pulsation?

All the answers are correct

A poorly adjusted shift linkage can cause_________.

All the answers are correct.

Which of the following describes the double Cardan universal joint?

All the answers are correct.

Hydraulic clutch systems are being discussed. Technician A says the clutch master cylinder will normally need about 1 oz. of fluid a year. Technician B says if the master cylinder is less than full, there is probably a leak in the system. Who is correct?

B only

Technician A checks ball bearings by spin testing with an air blower. Technician B cleans and lubricates the bearings then spins them by hand while checking for roughness or vibration. Who is correct?

B only

Technician A says hard shifting in all gears may be caused by a single worn synchronizer assembly. Technician B says hard shifting in all gears may be caused by incorrect clutch linkage adjustment. Who is correct?

B only

Technician A says helical cut gears have teeth cut at a 90-degree angle to the side of the gear. Technician B says helical gears run without creating gear whine. Who is correct?

B only

Technician A says self-shifting manual transmissions use planetary gearsets and torque converters like conventional automatic transmissions. Technician B says these transmissions are manual transmissions that shift gears using a computer-controlled actuator connected to the shift forks and a clutch actuator. Who is correct?

B only

Technician A says spinning bearings with compressed air is a good way to dry them. Technician B says spinning a bearing with air may cause it to be damaged. Who is correct?

B only

While discussing transmission/transaxle rebuilding procedures, Technician A says shims located under bearing cups should always be replaced. Technician B keeps all shims and bearing races together and identified for reinstallation in their original location. Who is correct?

B only

Blocking rings are usually made from aluminum and are part of a typical synchronizer assembly.

False

Both CV joints on a half shaft used in an RWD vehicle with independent rear suspension may be of the fixed style.

False

Coil spring-type pressure plates require less pedal effort than diaphragm-type pressure plates.

False

In FWD applications, the outboard joint is a plunge joint.

False

The grooves on the internal surface of the synchronizer blocker ring must be rounded.

False

The size and number of teeth on a reverse idler gear determine the gear ratio for reverse.

False

U-joints rotate at a constant velocity and are vibration free.

False

____________________ shifting may be caused by clutch linkage out of adjustment.

Hard

Which manufacturer does not currently offer electronically controlled rear differentials?

Honda

The CV joints nearest the transaxle are called the ______ joints.

Inner/Inboard

____________________ mallets can be used to tap shafts and other parts into place.

Soft-faced

If one gear tooth on a countergear assembly is broken, the entire assembly must be replaced.

True

A gear ratio of less than 1.0 indicates an overdrive condition.

True

A plugged transmission vent may cause a seal to leak.

True

A transmission or transaxle uses meshed gears of various sizes to give the engine a mechanical advantage over its driving wheels.

True

Constant velocity joints are used to transfer uniform torque at a constant speed, while operating through a wide range of angles.

True

Differential gearing is included in a transaxle.

True

Equal-length shafts are used in some vehicles to help reduce torque steer.

True

If a noise stops with the engine at idle and the clutch disengaged, the noise is probably coming from the inside of the transmission.

True

Manual transmission oil-level check intervals range from every 7,500 to 30,000 miles (12,070 to 48,280 km).

True

Many manufacturers specify replacing the DMF (dual-mass flywheel) as part of clutch replacement.

True

Plunge-type CV joints allow the length of the axle assembly to change as the wheel travels up and down.

True

Some transaxles have a short, self-centering input shaft that does not require a pilot bushing or bearing.

True

The fluid level in the hydraulic clutch reservoir should be approximately one-fourth inch from the top.

True

Transmissions use prime gear sets to even out wear on the teeth.

True

Using multiple cone synchronizer assemblies reduces the size and weight of the transmission.

True

When the clutch is fully engaged, the release bearing is normally stationary.

True

With electronic torque vectoring, during cornering, torque is sent to the outer rear wheel to reduce understeer.

True

A technician is replacing a leaking clutch slave cylinder. After removing the cylinder, he takes it apart and finds a swollen cup seal. What should be done?

all answers are correct

Adjusting ___________________ sets the depth of the mesh between the ring and pinion gear teeth.

backlash

A car jumps out of gear into neutral when decelerating or going down hills. Technician A checks the shift lever and internal gearshift linkage. Technician B says the clutch pilot bearing could be the problem. Who is correct?

both A and B

Differential gearsets are being discussed. Technician A says the inside bore of the side gears is splined and mates with splines on the ends of the axles. Technician B says the differential pinion gears and side gears are in constant mesh. Who is correct?

both A and B

The pressure plate moves away from the flywheel when the clutch pedal is ____________________.

depressed

A ____________________ is used to measure end play.

dial indicator

The clutch release bearing exerts pressure upon the ______.

diaphragm spring

When the yokes are in the same plane, the joints are said to be ______.

in phase

When installing a ball bearing that is a press fit (tight) onto the main shaft, pressure should be applied to the _____ race.

inner

In RWD applications with IRS, the inboard and outboard CV joint is a(n) _________ type.

plunge

The two driving members (inputs) of the clutch assembly are the flywheel and the ______.

pressure plate

A 2.85:1 ratio represents a gear ____________________.

reduction

In a five-speed manual transmission/transaxle, an idler gear is used for _____ gear(s).

reverse

Manual transaxle input shafts are typically supported by ______ bearings.

tapered roller