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Planetary Gear Sets

Gears, Chains, & Bearings	Mechanical Components	Control Components	Transaxle/Final Drive	Service and Rebuild
$10 THRUST When helical gears are used, there must be a way of controlling gear _______.	$10 planet carrier The planet gears of a planetary gearset are attached to the ________ ________.	$10 governor On a hydraulically-controlled transmission the _______ valve is used to modify pressure according to vehicle speed.	$10 backlash Clearance between hypoid ring and pinion gears is called _______.	$10 False True or False? A good overrunning clutch should turn in both directions.
$20 Technician A Technician A says that a gear ratio of .7:1 is reduction ratio. Technician B says that a gear ratio of 3:1 is a reduction ratio. Who is right?	$20 Servo What component is used to operate a band?	$20 Technician B Technician A says that the pump produces pressure only when the vehicle is moving. Technician B says that the pump produces pressure whenever the engine is running. Who is right?	$20 Both A and B Technician A says that a drive chain that sags sideways should be replaced. Technician B says that sprockets that show indentations from the chain links should be replaced. Who is right?	$20 micrometer A _______ is the MOST ACCURATE tool for measuring the thickness of a thrust washer.
$30 TRUE True or False: The length of the chain on a chain drive has no effect on the gear ratio.	$30 True True or False? A clutch pack can be splined to the transmission or transaxle case.	$30 accumulator The hydraulic device used in the apply circuit of a band or clutch to cushion initial application is the _______.	$30 False True or False? CVT pulleys are operated by a magnetic powder clutch.	$30 Teflon Seal rings are non-positive seals that can be made from metal or _______.
$40 FALSE True or False: When finding chain drive ratio, the number of teeth on the driven sprocket should be added to the number of teeth on the drive sprocket.	$40 input shaft The torque converter turbine is splined to the transmission _______ _______.	$40 manual The only valve that is directly operated by the vehicle's driver is the _______ valve.	$40 hot The thermostatic element keeps the bottom oil pan from being overfilled when the transaxle fluid is _____.	$40 False True or False? One end of a flywheel turner is bolted to a stationary part of the engine.
$50 FALSE True or False: Overdrive gears are needed because an engine produces very little torque at low rpm.	$50 greatest The torque multiplication inside a torque converter is greatest when the difference in speeds between the impeller and turbine is ________ (least? greatest?)	$50 D) Both A and B Different shift valves are made to shift at different speeds with the same hydraulic pressure by varying _______. A) spring tension B) land size C) check ball size D) Both A and B	$50 longitudinal Hypoid gear final drives are used on vehicles with _______ engines.	$50 pressure The lip of a lip seal should always face toward the _______ side of a piston.

Gears, Chains, & Bearings	Mechanical Components	Control Components	Transaxle/Final Drive	Service and Rebuild
$20 Reduction What type of gear ratio obtains the best acceleration from a stop?	$20 clutches, bands The most common holding members are _______ and _______.	$20 True True or False? Some transaxle oil pumps are driven by a separate shaft instead of the rear of the torque converter.	$20 True True or False? The shape of the oil pan can be used to help identify the type of transmission or transaxle being serviced.	$20 feeler gauges _______ _______ are the proper tool used for checking clutch pack clearance.
$40 Overdrive What type of gear ratio should be selected to obtain the best fuel economy?	$40 turbine, impeller The stator redirects fluid moving from the _______ to the _______.	$40 Everywhere According to Pascal's Law, the pressure in a closed hydraulic system is the same in what area(s) of the system?	$40 True True or False? Some transaxles have more than one oil pump.	$40 False True or false? Dexron fluid can be used in all transaxles as long as they are not overfilled.
$60 False True or False? The use of an idler gear affects gear ratio.	$60 False True or False? The clutch pressure plate is installed next to the apply piston.	$60 D) Vanes Which of the following components is NOT used on all hydraulic pumps? A) Inlet port B) Power source C) Outlet port D) Vanes	$60 True True or False? Many final drives can be serviced with the transaxle in the vehicle.	$60 True CVT service requires special disassembly tools.
$80 Torrington A _______ bearing is often used as a thrust washer.	$80 planetary gearsets Automatic transmission holding members function by holding or driving parts of the _______ _______.	$80 B) Control oil flow Spacer plate holes are drilled to certain precisely controlled sizes to: A) prevent oil leakage B) control oil flow C) cool the oil D) Both A and B	$80 preloaded Before any adjustments are made to a hypoid ring and pinion gearset, the bearings must be _______.	$80 check ball A valve body spacer plate should be replaced if the _______ _____ orifices are pounded out.
$100 interference A press fit is an example of an _______ fit.	$100 D) Both A and B Torque converter stall speed is affected by: A) the curvature of the impeller, turbine, and stator blades. B) the torque output of a particular engine. C) running out of gas. D) Both A and B	$100 Both A and B Technician A says that changing the sizes of the input and output pistons can change the distance traveled. Technician B says that changing the sizes of the input and output pistons can change the amount of force from the output piston. Who is right?	$100 diverters In transaxles, oil scoops are used to keep some non-pressurized parts from being oil starved, while oil _______ are used to keep some parts from being over lubricated.	$100 clutch packs and servos What two components can be (should be) checked with air pressure before the valve body is installed?

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