Automatic Transmission A2
A PM generator is used to sense vehicle load.
F
Computer-based information systems are usually updated yearly.
F
Fluid clutches and torque converters are one and the same.
F
If one or more cylinders are producing different amounts of vacuum, the vacuum gauge will show a steady reading.
F
In the vehicle identification number (VIN), the 11th character identifies the year of manufacture.
F
O-rings are used to seal a part that has rotational movement. Group of answer choices
F
The use of water-based cleaners or mineral spirits to flush the converter is recommended.
F
Torque wrenches are used to measure the strength of a fastener.
F
The idler gear contributes to torque output.
F
Technician A says most transmission solenoids must be removed as an assembly. Technician B says the clutch housing is the mounting place for most transmission solenoids. Who is correct?
A
Technician A says to replace the converter if it has signs of being overheated. Technician B says excessive hub runout is not a reason to replace the converter. Who is correct?
A
By applying the engine's torque to one of the gears in a planetary gear set and preventing another member from moving, which of the following changes can take place? Torque multiplication Speed increase Change of direction All of the above
ALL
Technician A says a check valve will stop fluid flow in one direction but will allow it to flow in the opposite direction. Technician B says a simple check valve can be used to block a hydraulic passageway in one direction. Who is correct?
BOTH
Technician A says the Torqueflite transmission was the first to use the Simpson compound planetary gear set. Technician B says the first modern style 3-speed transmission to use a torque converter was the Torqueflite transmission. Who is correct?
BOTH
Technician A says never use a magnet to remove the check balls. Technician B says be sure to do something that will help you remember where the balls were, such as photographing or drawing their location. Who is correct?
BOTH
Technician A says the differential case is located between the side gears. Technician B says the differential case is mounted on bearings so that it is able to rotate independently of the drive axles. Who is correct?
BOTH
Which of the following is true of a Simpson gear train? It uses two sun gears. It uses one common sun gear. It provides three forward reduction gears. It uses one common ring gear. Both B and C are true.
Both B and C are true.
Engine vacuum is largely determined by which of the following? Engine speed Engine load Vehicle speed None of the above
Engine speed
Most hybrids use a modified five-speed automatic transaxle .
F
Which type of transaxle may require the unit to be removed from either the top or the bottom of the vehicle? FWD RWD Both A and B Neither A nor B
FWD
In order to create a low-pressure area in the cylinder during the intake stroke, the volume of the cylinder does which of the following? Remains the same Increases Decreases Pushes up
Increases
How much will a hard gasket compress? More than 20 percent Less than 30 percent More than 30 percent Less than 20 percent
Less than 20 percent
Which of the following measurement tools should be used for very precise measuring? Machinist's rule Tape measure Yardstick Micrometer
Micrometer
Technician A says a simple check valve is used to block a hydraulic passageway. Technician B says it normally stops fluid flow in both directions. Who is correct?
N A
A CVT uses belts and pulleys, instead of gear sets, to provide changing drive ratios.
T
A TCM is a separate computer designated for automatic transmission/transaxle operation.
T
A bushing is the simplest type of bearing.
T
A change in tire diameter may affect transmission operation.
T
Torque capacity is the ability of the converter clutch to absorb and transmit torque.
T
Technician A says leaking hydraulic circuits or sticking spool valves in the valve body can result in delayed shifts or slippage. Technician B says worn planetary gear set members can cause delayed shifting. Who is correct?
A
Technician A says that any electronic problems, as indicated by fault codes retrieved by a scan tool, should be corrected before continuing with the diagnosis. Technician B says that the electronic problems will be corrected when the transmission repair is completed. Who is correct?
A
Technician A says that by monitoring the MAP values, the TCM can change the shift schedule of the vehicle. Technician B says the TP sensor voltage signal is sent to the PCM as an indication of engine temperature. Who is correct?
A
Technician A says when an external gear drives another external gear, the output gear will rotate in the opposite direction to the input gear. Technician B says when an external gear drives another external gear, the output gear will rotate in the same direction as the input gear. Who is correct?
A
Technician A says when working around electric cooling fan motors, the power source should be disconnected. Technician B says when the ignition switch is in the off position, it is safe to work around electric cooling fan motors. Who is correct?
A
While discussing the transmission housing and/or case, Technician A says when removing parts from inside the case, pay close attention to the location of the check balls that may be in the hydraulic system. Technician B says that the case passages can be checked using high-pressure compressed air to determine leaks and cracks. Who is correct?
A
Technician A says sprag and roller clutches should be inspected in the same way as bearings. Technician B says to check their operation by attempting to rotate them in both directions. If working properly, they will allow rotation in both directions. Who is correct?
A
Technician A says a hydraulic piston assembly known as an accumulator helps the servo quickly apply the brake band. Technician B says to apply the brake band, a hydraulically operated piston assembly known as a servo is used. Who is correct?
B
Technician A says by multiplying the number of teeth on one gear by the number of teeth on a second gear, a gear ratio can be determined. Technician B says the mathematical relationship, according to the number of teeth, of one gear to another is expressed as a gear ratio. Who is correct?
B
Technician A says only one gear reduction forward gear can be provided by a single planetary gear set. Technician B says only one reverse reduction gear can be provided by a single planetary gear set. Who is correct?
B
Technician A says that in a RWD vehicle, the transmission and drive axle are located in a single assembly. Technician B says a transaxle is a single assembly containing the transmission and drive axle.
B
Technician A says valve bodies are disassembled in the same way for most transmissions and transaxles. Technician B says to read the service manual for the proper procedure before disassembling a valve body. Who is correct?
B
Technician A says when an internal gear drives and is in mesh with an external gear, there will be a speed increase. Technician B says when an external gear drives another external gear, the output gear will rotate in the opposite direction to the input gear. Who is correct?
B
Technician A says a transistor is used to measure transmission temperature. Technician B says the PCM changes the operation of many systems based on temperature. Who is correct?
B
Technician A says the default gear is the normal gear selection. Technician B says the default gear is normally the gear selected by the TCM when the solenoids are off. Who is correct?
B
Which of the following is provided by the Torqueflite transmissions and transaxles? Four forward gears Three forward gears Two reverse gear ratios One reverse gear ratio Both B and D
B AND D
Which of the following does not sense engine vacuum? Manifold absolute pressure sensor Throttle position sensor Pressure regulator valve B or C
B OR C
Technician A says a drive chain is used in some transaxles to connect converter output with the transaxle input shaft. Technician B says the torque converter is mounted in line with the transmission's input shaft. Who is correct?
BOTH
Technician A says a drum filled with thick fluid that houses several closely fitted, thin steel discs that are connected to the front and rear axles is called a viscous coupling. Technician B says to provide different amounts of torque to the drive axles, a viscous coupling uses a gear set similar to a differential. Who is correct?
BOTH
Technician A says a faulty output shaft can cause vibrations. Technician B says an unbalanced torque converter can cause vibrations. Who is correct?
BOTH
Technician A says a torque converter clutch plate has a spring-cushioned damper assembly in the center of the disc, and friction material on the outside of the plate. Technician B says the torque converter clutch plate is splined to the turbine shaft, and the plate locks the turbine to the converter when the piston is applied. Who is correct?
BOTH
Technician A says after a vehicle battery is disconnected and reconnected, transmission/transaxle computers may require a relearn procedure. Technician B says that to optimize driveability and performance, some computers memorize operation patterns. Who is correct?
BOTH
Technician A says by using selective thrust washers, end play is often corrected. Technician B says by using selective snap rings, end play is often corrected. Who is correct?
BOTH
Technician A says electrical switches are used to open and close electrical circuits. Technician B says electrical switches are used to control the operation of other devices. Who is correct?
BOTH
Technician A says gear ratio expresses the size difference of two gears by stating the ratio of the driven gear to the drive gear. Technician B says the mathematical relationship, according to the number of teeth, of one gear to another is expressed in gear ratios. Who is correct?
BOTH
Technician A says gears are used to multiply torque. Technician B says to apply torque to other rotating parts of the drivetrain, gears are used. Who is correct?
BOTH
Technician A says in order to force TCC lock-up, an automatic transaxle uses a solenoid. Technician B says two hollow shafts from the transmission splined to separate gear set members in the converter are found in an automatic transaxle. Who is correct?
BOTH
Technician A says in order to provide additional gear ratios, most transmissions are equipped with more that one planetary gear set. Technician B says that from a single planetary gear set, five forward gear combinations are possible, although some of these combinations are seldom used. Who is correct?
BOTH
Technician A says it is necessary to identify any and all non-factory installed electrical accessories when inspecting a vehicle. Technician B says non-factory installed electrical accessories may cause the system to not operate properly. Who is correct?
BOTH
Technician A says low oil pressure may be the result of a shaft fitted with a check ball in which the check ball does not seat properly. Technician B says scoring of the shaft may be the result of a blocked oil delivery passage. Who is correct?
BOTH
Technician A says most late-model GM transmissions feature their Electronic Controlled Capacity Clutch (ECCC) system. Technician B says the ECCC allows for a variable amount of clutch slippage. Who is correct?
BOTH
Technician A says some manufacturers monitor clutch volume indexes. Technician B says this is part of an adaptive strategy. Who is correct?
BOTH
Technician A says that CVTs offer an infinite number of gear ratios. Technician B says that CVTs allow the engine to always operate at its most efficient rpm. Who is correct?
BOTH
Technician A says that metal shavings collected on permanent magnet-style speed sensors may indicate an internal transmission problem. Technician B says that if the fluid is clean and only contains a small amount of residue, the transmission problem is most likely caused by something external to the transmission. Who is correct?
BOTH
Technician A says that the late model Chrysler EMCC and the late model GM ECCC are similar in design and have similar operating characteristics. Technician B says that on Chryslers Converter Controls 62TE the converter clutch is never engaged during first-gear operation. Who is correct?
BOTH
Technician A says that the springs used in accumulator and servo assemblies have a specified tension. Technician B says that improper spring tension will affect shift quality. Who is correct?
BOTH
Technician A says the Mercedes-Benz 7G-Tronic was the first seven-speed automatic transmission. Technician B says this unit allows the electronic control unit to "skip" gears when upshifting or downshifting. Who is correct?
BOTH
Technician A says the input shaft of the transmission connects the output shaft of the TC to the driving members inside the transmission. Technician B says the output shaft connects the driven member of the gear sets to the final drive gear set. Who is correct?
BOTH
Technician A says the oil from your skin can cause corrosion of electrical terminals. Technician B says do not remove a part from its protective package until it is time to install the part. Who is correct?
BOTH
Technician A says the sun gear always rotates in the opposite direction to the rotation of the pinion gears. Technician B says the pinion gears will always follow the same direction as the ring gear when the ring gear and carrier pinions are free to rotate at the same time. Who is correct?
BOTH
Technician A says to check for internal fluid leaks, a technician can perform an air test. Technician B says servo action can be checked by performing an air test. Who is correct?
BOTH
Technician A says to drive one member of the planetary gear set, a multiple disc clutch can be used. Technician B says to hold one member of the planetary gear set, a multiple disc clutch can be used. Who is correct?
BOTH
Technician A says to flat file the surface of a warped valve body, to allow it to seal properly helping to prevent unwanted, partial engagement of a clutch or band. Technician B says valves sticking in their bore may be the result of overtorquing the hold-down bolts of the valve body. Who is correct?
BOTH
Technician A says two planetary units that do not share a common gear set member are used in the 4T60. Technician B says the 4T60 transaxle used to be referred to as the 440-T4. Who is correct?
BOTH
When servicing a valve body: Technician A says make sure you note the location of all check balls before removing them. Technician B says the length of the bolts may vary; therefore, keep track of where each bolt came from. Who is correct?
BOTH
While discussing hydraulic systems:Technician A says the use of a larger input piston gives the system a mechanical advantage or increase in the force available to do work.Technician B says the multiplication of force through a hydraulic system is directly proportional to the difference in the piston sizes throughout the system.Who is correct?
BOTH
While discussing transmission solenoids:Technician A says the TCM relies on information from the engine control system, transmitted through such sensors as the MAP and TP sensor, as well as information from the transmission, to determine the optimum shift timing.Technician B says a TCC solenoid can be pulse-width modulated to smooth the engagement of the torque converter clutch. Who is correct?
BOTH
Technician A says a cooler located in the radiator can be replaced by a radiator shop if necessary. Technician B says if an external cooler is plugged it may make sense to replace it. Who is correct?
BOTH
Technician A says a scratched separator plate must be replaced. Technician B says make sure all drain back openings in the spacer plate are clear. Who is correct?
BOTH
Technician A says all metal sealing rings should be checked for proper fit. Technician B says since these rings seal on their outer diameter, the seal should be inserted in its bore and should feel tight there. Who is correct?
BOTH
Technician A says transmissions use compound planetary gears that are controlled by friction and reaction devices. Technician B says clutch and brake application charts are a must during diagnosis and transmission overhaul. Who is correct?
BOTH
Technician A says valve body springs are distorted if they roll straight on the workbench when removed from the valve body instead of wobbling. Technician B says problems rarely result from excessive clearance between the valve and its bore. Who is correct?
BOTH
While discussing GM torque converters: Technician A says the TCC assembly allows for a mechanical link between the impeller and the turbine. Technician B says this is true during all gear ranges except Park, Reverse, Neutral, and Drive Range-First Gear. Who is correct?
BOTH
While discussing a pressure test:Technician A says to begin this test by checking line pressure.Technician B says the test can be run with a scan tool and a pressure gauge on transmissions that use an EPC solenoid. Who is correct?
BOTH
A 100-grit sandpaper soaked in ATF is ideal for cleaning bores within the valve body.
F
A CVT relies on the use of a torque converter.
F
A faulty output shaft will produce vibrations with a change in engine speed.
F
A reduction ratio results in decreased torque with a reduced speed.
F
A short causes an incomplete circuit.
F
A stator is known as a reactor.
F
All automatic transmissions use some sort of planetary gear set.
F
Components or circuits are never marked if they are sensitive to electrostatic discharge.
F
Driving a vehicle with a very low level of ATF is not harmful to the transmission.
F
Helical gears have their teeth parallel to and in alignment with the center of the gear.
F
Large amounts of engine vacuum are formed in the cylinders during the exhaust stroke.
F
Neutral gear results when the input into a planetary gear set is holding a member.
F
One advantage of a digital micrometer is greater accuracy.
F
Output torque and output speed are decreased when a large gear drives a small gear.
F
Overdrive occurs when the sun gear is the driving member of the gear set.
F
Preload adjustments are normally checked by using a dial indicator.
F
Slippage of the clutch shoes allows for some torque division.
F
The GM 4R70 is a four-speed automatic transmission that uses a Ravigneaux compound planetary gear set.
F
The Ravigneaux gear set shares a common sun gear.
F
The driveline can multiply both power and torque.
F
The flywheel for the engine consists of the flexplate and the torque converter.
F
The output gear rotates in the same direction as the input gear when an external gear drives another external gear.
F
The planet pinion is the bracket in a planetary gear set on which the planet carrier is mounted.
F
The shift solenoids offer two possible on/off combinations to control fluid to the various shift valves.
F
The transmission removal procedures for a RWD and a FWD vehicle are the same.
F
The valve body's only job is to direct fluid flow.
F
Thrust washers are included in a transmission or transaxle overhaul kit.
F
When connected to the on-board computer, through the use of diagnostic connectors, a scan tool can tell a technician which part needs replacing.
F
Technician A says the transmission fluid temperature sensor is located in the transmission cooling system. Technician B says transmission pressure switches can serve as feed-back sensors. Who is correct?
N A
Technician A says when testing electronic circuits, a low impedance ohmmeter should be used. Technician B says semiconductors may be tested with an ohmmeter. Who is correct?
N A
Technician A says a shudder after the converter clutch engages could be caused by a cracked spark plug. Technician B says a transmission fluid change may fix a TCC shudder. Who is correct?
N A
Technician A says the fluid pressure switches used in today's transmissions either complete or open an electrical circuit to the computer. Technician B says that a fluid pressure switch can also be checked with air. Who is correct?
N A
Technician A says a vehicle that has poor acceleration may be the result of a free wheeling or non-locking one-way stator clutch. Technician B says a vehicle having acceptable low speed operation but poor high speed performance may be the result of a seized one-way stator. Who is correct?
N A/NEITHER
Some automatic transmissions use which of the following to achieve different gear ratios? Tandem planetary gear sets Ravigneaux gear sets Helical gear sets All of the above
N ALL
Technician A says different forward gears are provided by a tandem planetary gear set in Honda transaxles. Technician B says the final drive unit in Honda and Acura transaxles is a planetary gear set. Who is correct?
N B
Technician A says that late-model Hondas and Acuras use a four-speed transmission. Technician B says that in late-model Hondas and Acuras partial lock-up of the converter clutch is not allowed. Who is correct?
N B
Technician A says the valve body senses and responds to engine and vehicle load. Technician B says valve bodies house many different valves that are moved by the gear selector. Who is correct?
N B
Technician A says a slide hammer and the correct attachment should be used to remove bushings. Technician B says that to easily remove bushings, they should be heated with a torch. Who is correct?
N B/BOTH
Technician A says nearly all transmission problems can be corrected by installing a rebuild kit. Technician B says a technician should inspect the material in the filter before tearing down the transmission or transaxle. Who is correct?
N B/BOTH
Technician A says a variable displacement rotor-type oil pump is used in a 4L60 transmission. Technician B says a variable displacement vane-type oil pump is used in a 3L30 transmission. Who is correct?
N BOTH
Technician A says during the operation of the stator, only a portion of the fluid returning from the turbine to the impeller passes through the stator. Technician B says when the stator is in operation, it redirects the fluid leaving the turbine back to the impeller. Who is correct?
N BOTH
Technician A says engine load can be monitored electronically through the various electronic sensors that send information to a TCM. Technician B says the most commonly used load sensor is a VSS. Who is correct?
N BOTH
Technician A says that a solenoid that is controlled by a computer is switched on or off on the ground side of the circuit. Technician B says a Chrysler-built unit, when operating in "limp-in" mode, will allow operation in all gear ranges but at reduced efficiency. Who is correct?
N BOTH
Technician A says that the Lepelletier gear set design limits the number of gear ratios; therefore, this type of transmission is limited to four forward speeds. Technician B says that this gear set design makes the transmission heavier and more bulky than the other designs. Who is correct?
N BOTH
Technician A says that the pressure switches used in automatic transmissions measure the pressure and send the information to the TCM. Technician B says that the pressure switches only indicate if pressure is present; they do not indicate the exact measurement of pressure. Who is correct?
N BOTH
Technician A says the BMW 6HP26 is a five-speed unit that is based on the Simpson gear set design. Technician B says this transmission is unique in that it has a very high torque capacity and is smaller and lighter than comparable units. Who is correct?
N BOTH
Technician A says the use of throttle actuator control means the throttle is controlled by the ECM/TCM.Technician B says the ECM/TCM can increase the throttle opening with throttle actuator control to make the shift feel softer.Who is correct? Group of answer choices
N BOTH
Technician A says there will be a speed increase when an internal gear drives and is in mesh with an external gear. Technician B says the output gear will rotate in the opposite direction to the input gear when an external gear drives another external gear. Who is correct?
N BOTH
Technician A says throttle pressure is controlled directly by the pressure regulator valve. Technician B says one of the primary purposes of the pressure regulator valve is to fill the torque converter with fluid. Who is correct?
N BOTH
Technician A says when an external gear is in mesh with an internal gear, the two gears will rotate in the same direction. Technician B says there will be a torque increase when an external gear drives and is in mesh with an internal gear. Who is correct?
N BOTH
Technician A says seals hold in the hydraulic pressure when the clutch pack is released. Technician B says in a typical pack, the apply piston at the rear of the drum is held in place by the return springs and a spring retainer secured by a snap ring. Who is correct?
N BOTH
When observing a Hall effect sensor on a lab scope; Technician A says pay attention to the downward and upward pulses; they should be at an angle. Technician B says if they appear straight this indicates the transistor is faulty, causing the voltage to rise slowly. Who is correct?
N BOTH
Technician A says a VSS is a sensor that transmits high voltage pulses. Technician B says a VSS measures electronic wear in the TCM. Who is correct?
N BOTH/A
In a planetary gear set, Technician A says the output gear member always moves in the opposite direction to the planet carrier when the planet carrier is the input. Technician B says the planet carrier always follows the direction of the input member when the planet carrier is the output. Who is correct?
N BOTH/B
Technician A says Torqueflite-based transaxles have the same basic parts as an A-904 transmission as well as additional parts. Technician B says Torqueflite-based transaxles used in FWD vehicles have little in common with other transaxles. Who is correct?
N BOTH/B
Technician A says two sun gears, two sets of planet gears, and a common sun gear are the components of a Ravigneaux gear set. Technician B says two planetary gear sets that share a common ring gear make up a Simpson gear set. Who is correct?
N BOTH/B
Technician A says spool valves are normally used as relief valves. Technician B says the most common type of valve used in automatic transmissions is the spool valve. Who is correct?
N BOTH/NEITHER
Which of the following is used to measure the backlash of two gears in mesh? Dial indicator Micrometer Feeler gauge None of the above
N FEELER/NONE
Which of the following types of pump is not used in transmissions or transaxles? Vane-type Rotor-type Gear-type Screw-type
N Gear-type
Vortex fluid flow provides for which of the following scenarios? Torque multiplication Stall speed High turbine speed High impeller speed
N High turbine speed
Which of the following is true of an overdrive gear? It occurs when speeds decrease to 30 mph. It is used when climbing hills. It provides release of the converter lock-up clutch. It aids with fuel economy.
N It is used when climbing hills.
Pressure testing reveals low pressure in all gears.Technician A says using a reverse stall test forces the pump output to maximum pressure.Technician B says a reverse stall test will determine whether the pump output is low.Who is correct? Group of answer choices
N NEITHER
In the Simpson gear train with the planet carrier as the output, the carrier will always: Rotate in the same direction as the input gear. Rotate in the opposite direction of the input. Rotate in the same direction as the sun gear. Rotate in the same direction as the ring gear.
N Rotate in the same direction as the ring gear.
Which of the following will cause a vibration from a transmission or transaxle? A poorly mounted torque converter Worn wheel bearings Dragging brake pads Misbalanced tires
N TIRES/BEARING
Which of the following are uses for a feeler gauge? To measure clearance When used with a precision straightedge, to check the amount of warpage Both A and B Neither A nor B
N When used with a precision straightedge, to check the amount of warpage/CLEARANCE
Technician A says identification numbers identify only the manufacturer and assembly date of the transmission or transaxle. Technician B says the shape of the oil pan is the only positive way to identify the exact design of the transmission or transaxle. Who is correct?
NEITHER
Technician A says the output of the gear set will be in the opposite direction to the input, which produces reverse gear when the planetary carrier is held. Technician B says the gearset produces a gear reduction when the planetary carrier is the input member. Who is correct?
NEITHER
A clunking noise during acceleration may be the result of a worn CV joint.
T
A control valve is used as a flow-directing valve.
T
A drum is connected to a member of the planetary gear set.
T
A good technician relies on service manuals and other sources for procedures and specification information.
T
A key difference in a Lepelletier gear set design is that two clutches are applied at the same time.
T
A liquid under pressure may change from a liquid to a gas in response to temperature changes.
T
A lock-up torque converter reduces the amount of power lost through the converter.
T
A scan tool connects to most OBD II vehicles using the same connecter.
T
A servo is a hydraulically operated piston assembly used to apply a band.
T
All vehicles are either FWD or RWD or a combination of both.
T
An accumulator helps the servo operate the clutch smoothly.
T
An automobile can be divided into four major systems: the engine, the drivetrain, the chassis and the body, interior and accessories.
T
Automatic transmission fluid (ATF) is responsible for the operation, lubrication, and cooling of the internal parts of the transmission.
T
BMW's 6HP26 transmission is based on the Lepelletier planetary gear design.
T
Bearings are devices that are placed between two surfaces to reduce friction and wear.
T
Because of extremely high voltages, safety is of prime importance when working on or around hybrid vehicles.
T
Chain deflection is often referred to as chain slack.
T
Circuits in a vehicle have a circuit protection device placed in a common path from the battery.
T
Diagnostic codes are used to find problems in transmissions.
T
Engine load is the primary controlling factor that determines the amount of engine vacuum produced.
T
Engine speed, throttle position, temperature, and engine load are used to determine shift points.
T
Honda hybrids use an integrated motor assist system that combines a modified gasoline engine with a permanent magnet electric motor.
T
Hydraulically activated brake bands and multiple-friction disc packs are used to direct power flow through the transmission.
T
If the vehicle is a hybrid, make sure you follow all precautions and procedures for disconnecting the high voltage circuit beforeproceeding to remove the transmission.
T
Impact sockets are constructed of thicker, but softer, steel to withstand the force of the impact.
T
Many bearings must be capable of withstanding both radial and axial loads.
T
Most torque converters consist of an impeller, a turbine, and a stator.
T
Normally a properly tightened bolt is stretched to 70 percent of its elastic limit.
T
Orifices are used to regulate and/or control fluid pressures.
T
Overdrive gears have ratios of less than 1:1.
T
Planet gears are also known as pinion gears.
T
Power tools require greater safety measures than hand tools.
T
Rotary fluid flow is in the direction of the impeller.
T
Shift feel is affected by fluid type.
T
Some apply circuits use an accumulator to slow down the application of the holding device.
T
Some reaction units are applied by hydraulically operated piston assembly.
T
Spool valves are sometimes used as a fluid pressure control device.
T
Static electricity can destroy an electronic component.
T
The Ford AOD was the first automatic transmission to have a built-in overdrive.
T
The Lepelletier design of planetary gear sets are used in some six- and seven-speed transmissions.
T
The data stream is a way of looking at the signals to and from the computer.
T
The sun gear has teeth on the outer surface.
T
Transmission fluid filters, although different in appearance and composition, have the same function.
T
Which of the following is true of solenoids?
They convert electrical energy to mechanical energy.
Which of the following is the fluid coupling that connects the engine's crankshaft to the transmission's input shaft. Solenoid converter Stator Torque converter Clutch assembly
Torque converter
Which of the following accomplishes the distribution of pressurized fluid to the appropriate reaction member? Screen filter Check valve Valve body Oil pump
Valve body
Technician A says that some hybrid vehicles rely on one simple planetary gear set for their transmissions. Technician B says that a hybrid transaxle may contain two motor/generators. Who is correct?
both
Technician A says the sun gear in a planetary gear set is the central gear. Technician B says planet gears are in constant mesh with the sun and ring gears. Who is correct?
both
The different hybrid systems present some changes to basic transmission design.
T
The differential or final drive unit compensates for variations in drive wheel speed.
T
The manual valve is operated by the gear selector linkage.
T
The most commonly used sensor to monitor engine load is a MAP sensor.
T
The transfer case is usually mounted to the side or rear of the transmission.
T
The two types of fluid flow inside the fluid coupling are vortex and rotary.
T
Technician A says before installing friction discs, they should be soaked in clean ATF. Technician B says when assembling a transmission, the steel clutch plates should be coated with petroleum jelly. Who is correct?
A
Technician A says when wiping down valves, the rag must be lint free. Technician B says before reassembling the valve body, all parts should be soaked in mineral spirits. Who is correct?
A
Which of the following is a component of the drivetrain. Transmission Differential Drive axle All of the above
ALL
Which of the following is not a component of a typical torque converter? A turbine An impeller A stator All are components.
ALL
Which of the following is not true of a torque converter? It multiplies torque. It is a fluid coupling. It allows some slippage. All are correct.
ALL
The spool valve's movement is controlled by: Hydraulic pressure Spring pressure Mechanical linkage All of the above
ALL
Technician A says the torque converter's stator indirectly drives the oil pump. Technician B says the pump drive hub of the torque converter drives the oil pump. Who is correct?
B
Technician A says that all transmissions have a ATF dipstick and filler tube. Technician B says that some transmissions are equipped with an ATF warmer. Who is correct?
B
Technician A says that gears may be used to apply torque to other rotating parts. Technician B says that gears may be used to multiply torque. Who is right?
BOTH
The two types of input devices used in electronic control systems are reference voltage sensors and voltage generators.
T
To be safe, you should wear eye protection anytime you are working in the shop.
T
While discussing boost pressures: Technician A says during certain operating conditions, mainline pressure must be boosted. Technician B says increased pressure is needed to hold brakes and clutches more tightly, such as in reverse or high load conditions. Who is correct?
BOTH
While discussing transmission adaptive learning: Technician A says this learning process allows the TCM to make adjustments to its program so that quality shifting always occurs. Technician B says the TCM learns to respond to the driver's driving habits. Who is correct?
BOTH
While discussing input and final drive endplay checks: Technician A says the purpose of these settings is to provide long gear life. Technician B says these settings are to eliminate engagement "clunk." Who is correct?
N NEITHER