torque converter test
Technician A says Teflon seals are harder and wear the seal surface faster than metal seals. Technician B says scarf-cut Teflon seals require special tools for installation. Who is correct?
Rationale neither A nor B
Simple planetary gearsets are being discussed. Technician A says any one of the three members can be used as the driving or input member. Technician B says the driven or output member is always the ring gear. Who is correct?
Rationale: A only
Technician A says a Simpson geartrain is an arrangement of two separate planetary gearsets with a common sun gear, two ring gears, and two planetary pinion carriers. Technician B says a Ravigneaux gearset has two sun gears, two sets of planet gears within a single carrier, and two ring gears. Who is correct?
Rationale: A only
Technician A says multiple-disc clutch packs are capable of holding or driving gearset members. Technician B says overrunning (one-way) clutches are capable only of holding gearset members. Who is correct?
Rationale: A only
Technician A says the turbine shaft is splined to the turbine and transfers power from the torque converter to the transmission's main driveshaft. Technician B says the transmission oil pump is driven by the turbine shaft. Who is correct?
Rationale: A only
Technician A says torque converters are three-piece units that are bolted together and can be easily disassembled for cleaning and repairs. Technician B says the torque converter is completely filled with pressurized transmission fluid. Who is correct?
Rationale: B only
Two technicians are discussing transmission bearings. Technician A says thrust washers are used to support radial loads. Technician B says thrust washers are used to support axial loads. Who is correct?
Rationale: B only
What manufacturer makes automatic transaxles that do not use planetary gears and are similar in construction and operation to manual transaxles? Chrysler Toyota and Lexus Honda and Acura Volkswagen and Audi
Rationale: Honda and Acura
_____ bearings are thrust washers fitted with roller bearings. Thomaston Lepelletier Torrington Belleville
Rationale: Torrington
A CVT transmission uses _____ to provide speed reduction and torque multiplication. a planetary gearset a belt and pulleys helical external gears on parallel shafts a hydraulic turbine with variable stator blades
Rationale: a belt and pulleys
The Ravigneaux gearset has ______. a single compound sun gear a single carrier with long and short planetary pinion gears two ring gears all answers are correct
Rationale: a single carrier with long and short planetary pinion gears
Overrunning clutches are capable of ______. holding a planetary gear member stationary driving a planetary gear member both "holding a planetary gear member stationary" and "driving a planetary gear member" neither "holding a planetary gear member stationary" nor "driving a planetary gear member"
Rationale: both "holding a planetary gear member stationary" and "driving a planetary gear member"
A tapered roller bearing is designed to accept ______ loads. radial axial both "radial" and "axial" neither "radial" and "axial"
Rationale: both "radial" and "axial"
Hydraulic valve designs are being discussed. Technician A says spool valves have at least two lands that are connected by a thin stem. Technician B says check ball and poppet are valve designs. Who is correct?
Rationale: both A and B
Technician A says a simple planetary gearset can provide two reverse gear ratios. Technician B says a simple planetary gearset can provide two forward reduction ratios. Who is correct?
Rationale: both A and B
Technician A says if the sun and the ring gear are both driven [locked] and the carrier is the output, the condition is direct drive. Technician B says if the carrier and the sun are both driven and the ring gear is the output, the condition is direct drive. Who is correct?
Rationale: both A and B
Technician A says the names of the components inside an automatic transmission are based on their function; namely what gear are they used to control. Technician B says the names of the clutches, bands, and servos are based on their location in the transmission. Who is correct?
Rationale: both A and B
Technician A says the transmission oil pump is driven by the converter shell and continually delivers transmission fluid under pressure into the torque converter through a hollow shaft at the center axis of the converter assembly. Technician B says transmission fluid leaving the turbine is directed out of the torque converter to an external oil cooler and then to the transmission's oil sump or pan. Who is correct?
Rationale: both A and B
Technician A says vortex flow is the flow of transmission fluid from the center to the outside edge and back. Technician B says rotary flow is the oil flow around the circumference of the torque converter. Who is correct?
Rationale: both A and B
Two technicians are discussing band lining material. Technician A says the band lining material is a semimetallic compound. Technician B says the band lining material is paper based. Who is correct?
Rationale: both A and B
Which of the following is NOT a type of pump used in an automatic transmission? gear type centrifugal type rotor type vane type
Rationale: centrifugal type
When hydraulic pressure is applied to one side of a _____ servo, the band is applied. When hydraulic pressure is applied to the opposite side of the piston the band is released. compound two stage dual acting split phase
Rationale: compound
Which of the following is NOT a type of rubber seal used in an automatic transmission? O-ring lip seal square cut seal counterbore seal
Rationale: counterbore seal
If the sun gear and planetary carrier are both driven [locked together], the gear ratio will be ______. maximum forward reduction minimum forward reduction direct drive slow reverse
Rationale: direct drive
The transmission for many hybrid vehicles uses _____to drive and hold planetary gearset elements. electric motors electric solenoids pneumatic servo motors hydraulic motors
Rationale: electric motors
Which of the following pressures increases as road speed increases? line pressure throttle pressure governor pressure converter pressure
Rationale: governor pressure
The transmission cooler is normally located ______. in the radiator above the transmission in the back of the transmission in the transmission pan
Rationale: in the radiator
Butt-end, open-end, and hook-end are types of ______. metal sealing rings snap rings O-rings servo piston sealing rings
Rationale: metal sealing rings
A Belleville spring is commonly found inside a _____. pressure regulator multiple disc clutch band servo all answers are correct
Rationale: multiple disc clutch
Technician A says devices that control radial loads are called thrust washers. Technician B says devices that control axial loads are called bushings. Who is correct?
Rationale: neither A nor B
To boost transmission line pressure, throttle pressure is applied to the ______. pressure regulator spool valve pressure relief valve modulator valve governor valve
Rationale: pressure regulator spool valve
The function of the throttle valve in the valve body is to ______. prevent excessive transmission output shaft speed prevent kickdown shift when vehicle speed is above 40 mph produce a fluid pressure that is proportional to engine load
Rationale: produce a fluid pressure that is proportional to engine load
In a simple planetary gearset, when the planetary carrier is held the gearset produces a ______. reverse direct drive both "reverse" and "direct drive" neither "reverse" nor "direct drive"
Rationale: reverse
In a simple planetary gearset, whenever the planetary carrier is held, the condition will be ______. forward speed reduction forward speed increase [overdrive] direct drive [1:1] reverse
Rationale: reverse
At coupling speed, the overrunning clutch in the torque converter is ______. rotating forward rotating backwards stationary none of these answers is correct
Rationale: rotating forward
All the following are components of the torque converter EXCEPT: impeller rotor stator turbine
Rationale: rotor
Which of the following components is NOT part of a lockup torque converter? damper assembly clutch friction plate piston plate servo springs
Rationale: servo springs
_____type and roller overrunning clutches are used to hold or drive members of the planetary gearset in one direction and allow them to freewheel in the opposite direction. ratchet sprag pinion all answers are correct
Rationale: sprag
The multiplier of torque converter fluid power is the ______. impeller stator turbine forward clutch
Rationale: stator
The overrunning clutch inside the torque converter is attached to the ______. impeller stator turbine carrier
Rationale: stator
When the pressure regulator valve begins to operate, the line pressure first flows to the ______. torque converter forward clutch assembly manual valve governor assembly
Rationale: torque converter
Which of the following torque converter components connects to the transmission input shaft? impeller stator turbine output shaft
Rationale: turbine
Which of the following torque converter components is attached to the engine flywheel? impeller stator turbine input shaft
Rationalei impeller
