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WorksheetsLV13
Total questions: 33
Worksheet time: 17mins
A rear wheel drive final drive assembly is noisy on vehicle overrun.
Which one of the following is the most likely fault?
Worn half shaft bearings
Broken half shaft
Crown wheel and pinion teeth worn
Worn differential gears
One cause of clutch drag is:
Fatigued diaphragm spring
Seized clutch release bearing
Minimal free play at the clutch pedal
Contaminated clutch plate
A front wheel drive manual transmission has vibration at all vehicle speeds.
The most likely fault is:
Dry CV joint
Worn layshaft bearing
Bent drive shaft
All of the answers shown
A manual transmission jumps out of gear.
One possible cause is:
Weak interlock mechanism
Worn selector forks
Worn synchromesh baulk ring
All of the answers shown
A front wheel drive vehicle fitted with a manual gearbox has difficulty in engaging gear.
Which one of the following is the most likely cause?
Release bearing seized
Contaminated clutch linings
Broken clutch centre plate springs
Maladjustment of remote mechanism
Which one of the following statements is FALSE?
Rapid knocking noise when cornering is a defective CV joint
A viscous coupling can be used as the third differential in a 4WD system
The final drive turns the drive through a right angle on front wheel drive vehicles
The final drive ratio increases the torque to the road wheels and reduces speed
A vehicle with a manual transmission will not disengage the clutch.
One possible cause is:
Broken centre plate torsional springs
Worn pressure plate
Centre plate sticking on gearbox input shaft splines
Contaminated clutch linings
Broken centre plate torsional springs
Worn pressure plate
Centre plate sticking on gearbox input shaft splines
Contaminated clutch linings
When a traction control system senses wheel slip it will:
Reduce the engine RPM and brake both wheels
Stop the ABS modulator working
Limit the engine RPM and brake the slipping wheel
Automatically brake the parallel driving wheel
One advantage of using electronic transmission control is?
Improved fuel economy
There is no requirement for a hydraulic governor
A self-diagnosis facility can be built in
All of the answers shown
The signal to the solenoid valves in an electronic transmission system is sent from:
Speed sensor
ECU
Pattern select switch
Throttle position sensor
When checking the input and output values of a transmission electronic control components you would use:
A hydrometer
A pressure gauge
A multi-meter or oscilloscope
A heavy duty discharge tester
A hydrometer
A pressure gauge
A multi-meter or oscilloscope
A heavy duty discharge tester
Diagram shows a FWD transmission unit.
Which two letters indicate the final drive gears?
F & L
A & G
P & Q
M & N
The gearbox shown has no drive in 5th gear. Which two gears should be checked?I, K
A, Q
E, G
B, C
A, Q
E, G
B, C
I, K
The component “R” in the diagram is set incorrectly . The symptom would be:
Vibration on acceleration
Noisy gear change
Crashing whilst engaging gear
Difficulty in engaging gear
A manual sequential gearbox is jumping out of 3rd gear under acceleration, one cause can be:
A slipping clutch
Worn selector balls and springs
All answers shown
Excessive differential free play
The best choice of clutch for a high power compact engine and transmission would be:
A fluid coupling
A dog clutch
A single plate clutch
A multi plate clutch
What procedure would you carry out to check for “clutch slip "on a vehicle fitted with a manual gearbox?
Apply the parking brake, depress the clutch pedal, engage top gear, and raise the engine speed as you release the clutch pedal
Depress the clutch pedal, engage first gear, release the clutch pedal and listen for transmission noise
Apply the parking brake, depress the clutch pedal, engage first gear and raise the engine speed as you release the clutch pedal
Road test the vehicle moving up and down the gear ratios without engaging and disengaging the clutch
Materials used in a transmission system have to withstand mainly:
Low loads
Torsional loads
Liner loads
Tensile loads
Automatic transmission fluid is discoloured and has a burnt smell.
Slipping clutches
Incorrect kick down cable adjustment
Free brake band
Inoperative transmission oil pump
Oil contamination of the clutch lining material could cause:
Clutch chatter
Clutch binding
Clutch slip
Clutch drag
Clutch chatter
Clutch binding
Clutch slip
Clutch drag
When excessive hub end float is present, which two suspension components should be checked for wear?
Swivel pins and suspension spring
Suspension dumper and wheel bearing
Wheel bearing and swivel pins
Wheel bearing and suspension spring
Wheel bearing and suspension spring
Wheel bearing and swivel pins
Suspension dumper and wheel bearing
Swivel pins and suspension spring
An oil pressure or vacuum test on an automatic gearbox will indicate:
The pressure applied to each brake band during selection
Torque convertor pressure
Pump return pressure
Pedal pressure
A compressed clutch spring is said to contain:
Kinetic energy which becomes potential energy when released
Kinetic energy which becomes latent energy when released
Static energy which becomes potential energy when released
Potential energy which will become kinetic energy when released
Which one of the following statements is FALSE?
Gear change
points are determined in an ECAT system by hydraulic pressure
Two epicyclic gear sets can produce three forward and one reverse
Transmission slip will occur in a torque convertor without the use of a stator
An inhibitor switch will prevent the vehicle from starting in “D” or drive
An oil pressure test on an automatic gearbox is carried out using:
An oil pressure test gauge and suitable adapter
Torque convertor pressure gauge
A manometer test gauge
Pedal pressure test gauge
The final drive unit of a vehicle which is front engine RWD, should be filled with:
Hygroscopic fluid
SAE30
SAE5W/15
EP90
The automatic transmission “stall test "is used to check:
Epicyclic gearing and brake bands
All of the answers shown
Hydraulic governor and lock up clutch
Torque convertor and transmission clutch slip
Whilst carrying out a gearbox overhaul you should:
Tighten bolts using a torque wrench
Replace gearbox bearings
Replace all gearbox gaskets
All the answer options shown
The CVT transmission uses:
Epicyclic gearing making it very compact
4,5 or 6 possible gear ratios
Variable gear teeth
A belt and variable pulley arrangement
A CVT transmission belt has:
A steel construction and transmits the drive by torsion
A VEE profile and transmits the drive by friction
Extending belt and transmits the drive by compression
An aluminium construction and flat profile
The picture shows FWD transmission unit: The type of gears shown are:
Bevel gears
Spur gear
Helical gears
Spiral gears
A good clutch friction plate material should have:
A low coefficient of friction
No coefficient of friction
A high blue asbestos content
A high coefficient of friction
A vehicle is fitted with an overdrive gear arrangement. At cruising speed this will mean:
Torque output is increased, speed output is reduced
Torque output is reduced, speed output is increased
Torque output is increased, speed output is increased
Torque output is reduced, speed output is reduced
