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AURLTQ012 Diagnose and repair light vehicle drive shafts
Assessment 1 – Questioning – Written
Assessment
Student Name
ANUP RAJ NEUPANE
Student ID Number
2023047
Unit Start Date
Unit End Date
Assessment Due Date
Date Submitted
This cover sheet is to be completed by the student and assessor and used as a record to determine student competency in this assessment task
The assessment process and tasks were fully explained.
Yes
I am aware of which evidence will be collected and how.
Yes
I am aware of my right to appeal an assessment decision.
Yes
I am aware that I can locate The RTO Complaints and Appeals Policy and Procedure on their website at (Insert Website Link)
Yes
I have discussed any additional educational support or reasonable adjustments I require in order to undertake this assessment with the Student Support Services Officer and Trainer / Assessor, (if applicable). e.g. Student Handbook and Access and Equity Policy (Insert Website Link)
Yes
I have access to all required resources?
Yes
Cheating & Plagiarism Declaration
Student Declaration: In accordance with The RTO Plagiarism Policy, I hereby acknowledge by signing
this declaration that I have not cheated or plagiarised any work regarding the assessment tasks undertaken in this unit of competency except where the work has been correctly acknowledged.
NOTE: Student must sign this prior to submitting their assessments to the assessor
Signature
Anup
Dat
e
:
01/03/2024
Assessment Results
Satisfactory
or
Not Yet Satisfactory
(Please circle the assessment result for this task)
Feedback to Student - Please provide general feedback on the Student’s performance
Document Name:
Student Written Knowledge Assessment – AURLTQ012
Created Date:
6
th
June 2023
Document No:
Trinity Institute (Australia) – AURLTQ012
Version No:
1
.
Last Modified
Date:
0
©Trinity Institute (Australia) | RTO Code: 41310 | CRICOS Code: 03556F
Page Sequence:
Page 1 of 21
AURLTQ012 Diagnose and repair light vehicle drive
shafts
Student Declaration: - I verify that the work completed is my own and that I was adequately informed of the assessment process prior to commencing this assessment task.
Assessor Declaration: - I verify that I have
adequately explained and negotiated the
assessment tasks with the student prior to
commencing assessment.
Student Name: ANUP RAJ NEUPANE
Assessor’s Name:
Student Signature Anup
Date
Assessor Signature
Date
Student Guide for Written Knowledge Assessment
Overview of Assessm
ent
This is a written assessment task you will be assess on your knowledge of
diagnosing and repairing light vehicle drive shafts.
The topics that will be covered in the assessment are:
1
Diagnose light vehicle drive shafts
2
Repair and test light vehicle drive shafts
3
Complete work processes
This assessment will ensure that the elements, performance criteria,
performance evidence and knowledge evidence required, and conditions are
adhered to demonstrate competency in this unit assessment task.
•
Read the assessment carefully before commencing.
•
Your Assessor will use the assessment criteria in this document and
will provide feedback / comment.
•
You MUST
answer all the questions in the assessment tasks in your own words and own handwriting.
•
This is an “Open Book” assessment, and students can use the resources listed in the “Resources Required” section below.
Task/s to be assessed
To complete this written assessment, you will need to answer the 52
questions comprising of Multiple Choice, True and False, Fill-in the Gap and Short Answer questions.
Time allowed
On average, the Assessment should take 4 – 6 hours to complete.
Location
This theory assessment will be completed in a classroom under the supervision of a trainer/assessor.
Decision making rules
To receive a ‘satisfactory’ outcome for this assessment students MUST
successfully answer all questions. If a student achieves less than 100%, they can reattempt the assessment after further study has taken place. Students who cannot achieve a minimum of 100% you will not have satisfactorily completed this assessment
Document Name:
Student Written Knowledge Assessment – AURLTQ012
Created Date:
6
th
June 2023
Document No:
Trinity Institute (Australia) – AURLTQ012
Version No:
1
.
0
Last Modified
Date:
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©Trinity Institute (Australia) | RTO Code: 41310 | CRICOS Code: 03556F
Page Sequence:
Page 2 of 21
AURLTQ012 Diagnose and repair light vehicle drive
shafts
Your assessor will be looking for the following in this assessment task: -
•
Key policies and procedures relating to the diagnosis, testing and repair of light vehicle drive shafts, including:
o
How to locate and identify manufacturers specifications or equivalent documentation and workplace procedures for the diagnosis and repair of light vehicle drive shafts
o
The following workplace health and safety requirements for diagnosis and repair of light vehicle drive shafts:
–
Safety procedures for working with hazardous oils
•
The following environmental requirements for diagnosis and repair of
light vehicle drive shafts:
o
Procedures for trapping, storing and disposing of oils released from drive shafts
•
The following diagnostic testing procedures for light vehicle drive shafts:
o
Road testing that include drive shaft noise and vibration
•
The following repair procedures for light vehicle drive shafts:
o
Dismantling drive shafts
o
Inspecting drive shafts
o
Reassembling and aligning components
•
Post-repair testing procedures for light vehicle drive shafts
•
Workplace housekeeping procedures
•
Light vehicle drive shafts and associated components information, including:
o
The operating principles of:
–
Torque reaction of rear axle housings
–
Torque steer
o
The purpose and operation of the following propeller shafts:
–
Single and multi-piece shafts
–
Universal joints
–
Cross and yoke joints
–
Double cardan joints
–
Lobro joints
–
Velocity fluctuation of universal joints
–
Shaft alignment
o
The purpose and operation of the following constant velocity joints:
-
Tripod joints.
Assessm
ent condition
s
The assessment MUST
:
•
Include access to:
o
An automotive repair workplace or simulated workplace that reflects workplace conditions - where simulation is used, it MUST
reflect real working conditions by modelling industry operating conditions and contingencies, as well as, using suitable facilities, equipment and resources
o
Repair orders and workplace instructions relating to diagnose and repair activity
o
Workplace procedures relating to diagnose and repair activity
o
Manufacturer light vehicle drive shaft specifications and procedures or
Document Name:
Student Written Knowledge Assessment – AURLTQ012
Created Date:
6
th
June 2023
Document No:
Trinity Institute (Australia) – AURLTQ012
Version No:
1
.
0
Last Modified
Date:
©Trinity Institute (Australia) | RTO Code: 41310 | CRICOS Code: 03556F
Page Sequence:
Page 3 of 21
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AURLTQ012 Diagnose and repair light vehicle drive
shafts
equivalent documentation to complete diagnose and repair activity
o
Light vehicle with front engine and rear wheel drive
o
Light vehicle with front wheel drive constant velocity joint drive shaft
o
Diagnostic equipment for light vehicle drive shafts
o
Tools, equipment and materials required for repair of light vehicle drive shafts
•
Be demonstrated in the workplace or in a simulated environment
that reflects workplace conditions
•
Be conducted in a safe environment
•
Automotive repair workplace or simulated workplace
•
Be assessed in compliance with relevant policies, procedures,
processes and operational manuals directly related to the
industry sector for which it is being assessed
•
Confirm consistent performance can be applied in a range of
relevant workplace circumstances.
Assessor Requireme
nts
Assessors of this unit MUST
:
•
Satisfy the assessor requirements in applicable vocational education
and training legislation, frameworks and/or standards.
Resources required
Learning Resources available to students include:
•
Automotive Technology (A System Approach) 6
th
Edition – Chapters 5, 6,
7, & 40
•
Websites
•
Trainer Handouts
Results/
Re- assessm
ent
•
The Assessor will grade the assessment and record the result on the front page of this document (S) – Satisfactory if all observable behaviours are correct and (NS) not satisfactory if any areas are left incorrect
•
Feedback will be provided on either result
•
Where a student receives a ‘NS – Not Satisfactory’ result, the assessor will discuss the area of the non-compliant observable behaviour and an
opportunity given for re- assessment. This may be through direct observation or a different method of assessment e.g. verbal/oral questioning, problem solving exercise.
•
If the outcome is again not satisfactory the student result will be deemed (NYC) not yet competent. Additional feedback will be given, and a time agreed upon for further assessment after additional training and skills practice has taken place, this information will be recorded, dated and signed in the re-assessment area on the last page
of this document
•
Where all the assessment tasks have been graded (S) Satisfactory, the
student will be deemed C – Competent for the practical component
and the result recorded and signed in the area indicated on the last
page of this document
Reasona
ble Adjustme
nt
If the participant is unable to undertake the written assessment as designed, an interview (verbal questioning) may be used as an alternate approach.
AURLTQ012 Diagnose and repair light vehicle drive shafts
Assessment 1 – Questioning
Written Assessment
1.
Identify five (5) important items of personal safety when working on drive shafts in an automotive workplace?
1
Safety boots
2
Safety glasses
3
Face mask
4
Safety vest
5
PPE
2.
What are the precautions that you should be aware of when handling final drive oil?
When handling final drive oil the drain pan must be easily accessible. The worker should be wearing gloves and long sleeve protective clothing with a mask. Wet wash rags should be ready for any spillage.
3.
How should waste final drive oils be stored and disposed?
When disposing of Dry area oils the area must be dry away from anything flammable and disposed is designated PE gallons.
Multiple choice. Circle the correct answer
4.
When removing the drive shafts, what should you use to catch the waste final drive oil?
A.
Drain pan.
B.
Mop bucket.
C.
Storm water drain.
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D.
Funnel.
AURLTQ012 Diagnose and repair light vehicle drive 5.
When handling, trapping, storing and disposing of new or waste final drive oils, which document should you use to find this information?
Safety Data Sheet (SDS)
True or False question
6.
Torque reaction is when the axle housing tries to rotate in a direction opposite to wheel rotation
☒ True
or
☐ False
7.
What is torque steer?
Torque steer is the unintended influence of engine torque on the steering, especially in front-wheel-
drive vehicles
8.
Name the eight [8] components of a drive shaft below.
AURLTQ012 Diagnose and repair light vehicle drive Multiple choice. Circle the correct answer
9.
Drive shafts are made of
.
A.
Seamless steel tubing.
B.
Reinforced fiberglass.
C.
Aluminium.
D.
All answers are correct.
10. What is a slip yoke?
Slip yoke is a U joint shape Mechanical lead to transfer power and electricity to the shaft on 4 by 4s
Fill in the Gaps
11. Complete the following statement about propeller shafts using the following words.
Words: Compress, Differential, Drive, Engine, Length, Power, Transmission, Torque, U-joints
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AURLTQ012 Diagnose and repair light vehicle drive A drive shaft must smoothly transfer torque while rotating, changing length, and moving up and down. The different designs of drive shafts all attempt to ensure a vibration-free transfer of the engine’s power from the transmission to the differential. This goal is complicated by the fact that the engine and
transmission are bolted solidly to the frame of the car, whereas the differential is mounted on springs. As the rear wheels go over bumps in the road or changes in the road’s surface, the springs compress or
expand, changing the angle of the drive shaft between the transmission and the differential, as well as the distance between the two. To allow for these changes, the Hotchkiss-type drive shaft is fitted with one or more U-joints to permit variations in the angle of the drive, and a slip joint that permits the effective length of the drive shaft to change.
True or False question
12.
Two-piece drive shafts have a drive shaft support bearing called a centre bearing.
☒ True
or
☐ False
13. Name the five [5] components of a universal joint below.
1
Slip yoke
2
External snap rings
3
Spider
4
Bearing
5
Internal snap rings
6
Drive shaft
AURLTQ012 Diagnose and repair light vehicle drive 7
Differential pinion flange
8
Universal joint
True or False question
14. U-joints rotate at a constant velocity and are vibration free.
☒ True
or
☐ False
Multiple choice. Circle the correct answer
15. The bearing cups of a conventional U-joint are retained by.
A.
A snap ring that fits into a groove machined in the outer end of the yoke.
AURLTQ012 Diagnose and repair light vehicle drive B.
An external snap ring that fits into a groove machined in the bearing cup on the end closest
to the grease seal.
C.
Nylon injected into machined grooves in the yoke and cup. D. All answers are correct.
True or False question
16. A universal joint is a flexible coupling located at each end of the drive shaft between the slip yoke and the pinion flange on the drive axle assembly.
☒ True
or
☐ False
True or False question
17. The U-joint is basically a double-hinged joint consisting of two Y-shaped yokes, one on the driving or input shaft and the other on the driven or output shaft, plus a cross-shaped unit called the cross.
☒ True
or
☐ False
18. Name the three (3) common designs of U-joints:
1
Slip yoke
2
Drive shaft
3
CV joints
Fill in the Gaps
19. Complete the following statement about Löbro constant-velocity joint using the following words.
Words: Cage, Centre, Changes, Drive, Flange, Inner, Joint, Race, Propeller
A Löbro constant-velocity joint, has an outer race, an inner race and a cage with steel balls. The outer race is bolted to the flange of the front propeller shaft, and the inner race is splined to the front end of the rear propeller shaft. The joint is enclosed by a dust shield and boot. The front shaft is supported by a centre bearing. This type of joint is designed to allow changes in propeller shaft angle and also changes in propeller shaft length. Both the inner race and the outer race have angular grooves for the balls. The balls transfer drive from one race to the other but, at the same time, the inner race is able to
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AURLTQ012 Diagnose and repair light vehicle drive move in or out in the grooves or change its angle.
AURLTQ012 Diagnose and repair light vehicle drive 1
Bearing cup
2
Seal
3
Needle bearings
4
Trunnions
5
cross
20. Name the twelve [12] components of a Löbro constant-velocity joint below.
AURLTQ012 Diagnose and repair light vehicle drive True or False question
21. U-joint operating angle is determined by taking the difference between the transmission installation angle and the drive shaft installation angle.
☒ True
or
☐ False
22. What does the term “constant velocity” mean?
It is referred to as a constant velocity joint because the design allows the joint to flex while maintaining a constant speed using bearings. The boot's primary function is to protect the joint. The boot is used to keep a special grease lubricated within the joint itself.
True or False question
23. In a two-piece driveshaft, when the yokes are in the same plane, the joints are said to be in phase.
☒ True
or
☐ False
24. What is meant by U-joint phasing?
The process of aligning the universal joint yokes on both ends of the drive shaft (or double u-joint) in a parallel fashion is known as phasing.
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AURLTQ012 Diagnose and repair light vehicle drive 25. Examine the illustration below and note that the operating angle at the front of the drive shaft
is offset by the one at the rear of the drive shaft. Why?
1
Propeller shaft
2
Band
3
Rubber packing
4
Boot
5
Washer
6
ball
7
snap ring
8
companion flange
9
outer race
1
0
inclined ball groove
1
1
inner race
1
2
cage
AURLTQ012 Diagnose and repair light vehicle drive 26. Name the five [5] external components of the drive axle below.
True or False question
AURLTQ012 Diagnose and repair light vehicle drive 27. Both CV joints on a half shaft used in an RWD vehicle with independent rear suspension may be of the plunging style.
☒ True
or
☐ False
True or False question
28. Constant velocity joints are used to transfer uniform torque at a constant speed, while operating through a wide range of angles.
☒ True
or
☐ False
True or False question
29. Plunge-type CV joints allow the length of the axle assembly to change as the wheel travels up and down.
☒ True
or
☐ False
Multiple choice. Circle the correct answer
30. The CV joints nearest the transaxle are called the
joints.
A.
Inner.
B.
Inboard.
C.
Outboard.
D.
Both “inner” and “inboard”.
Multiple choice. Circle the correct answer
31. CV joints provide
.
A.
Uniform torque transfer.
B.
Constant speed.
C.
Operation through a wide range of angles. D. All answers are correct.
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AURLTQ012 Diagnose and repair light vehicle drive 32. Name the eleven [11] components of the tripod plunge-type joint below.
1
Boots
2
Outboard cv joint
3
Stub axle
4
Drive axle
5
Inboard cv joint
33. Identify three (3) symptoms of a failed U-joint.
Clunnk and ring sounds , vehicle stops moving , loss of power
True or False question
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AURLTQ012 Diagnose and repair light vehicle drive 34. An inclinometer is used to check the operating angle of the drive shaft.
☒ True
or
☐ False Multiple choice. Circle the correct answer
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AURLTQ012 Diagnose and repair light vehicle drive 35. If a noise is heard while driving straight ahead but it ceases on turns in the same direction, what is the most likely cause?
A.
A bad wheel bearing.
B.
A worn inner cv joint.
C.
A worn outer cv joint.
D.
A bad intermediate shaft bearing.
Multiple choice. Circle the correct
answer
36. A shudder or vibration only when accelerating is most likely caused by
.
A.
Out-of-balance axle shaft.
B.
Excessive play in the inboard plunge joint.
C.
Both “out-of-balance axle shaft” and “excessive play in the inboard plunge joint”.
D.
Neither “out-of-balance axle shaft” nor “excessive play in the inboard plunge joint”.
Multiple choice. Circle the correct
answer
37. A humming or growling noise in the front of the vehicle that changes with road speed could be caused by
.
A.
Inadequate lubrication of the inner CV joint.
B.
Worn or damaged wheel bearings.
C.
A bad intermediate shaft bearing [equal length axle shaft
system]. D. All answers are correct.
True or False question
38. An FWD vehicle that makes a clunking noise when the automatic transmission is shifted into
gear is being diagnosed. The problem could be excessive play in an inner or outer CV joint.
☒ True
or
☐ False
Multiple choice. Circle the correct answer
39. A popping or clicking noise when turning indicates a possible worn
CV joint.
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AURLTQ012 Diagnose and repair light vehicle drive A.
Outer.
B.
Inner.
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AURLTQ012 Diagnose and repair light vehicle drive C.
Both “inner” and “outer”.
D.
Neither “inner” nor “outer”.
Fill in the Gaps
40. Complete the following statement about CV joint inspection using the following words. Words: Boot, Condition, Deformed, Escapes, Heat, Normal, Rubbing
Begin CV joint inspection by checking the condition of the boots. Splits, cracks, tears, punctures, or thin spots caused by rubbing call for immediate boot replacement. If the boot appears rotted, this indicates improper greasing or excessive heat, and it should be replaced. Squeeze all boots. If any air escapes, replace the boot. If the inner boot appears to be collapsed or deformed, venting it (allowing air to enter)
might solve the problem. Place a round-tipped rod between the boot and drive shaft. This equalizes the outside and inside air and allows the boot to return to its normal shape
41. From the list below of FWD drive shaft customer concerns, list the possible causes and corrective remedy.
Customer Concern
Possible Cause
Corrective Remedy
Vibration throughout vehicle
Vibration throughout vehicle at low speed
Vibrations during acceleration
Grease dipping on the ground or spraying on chassis parts
Clicking or popping noise heard when turning curves and corners
A clunk during accelerating, decelerating, or putting an automatic transaxle into drive
A clunk noise when putting an automatic transmission
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AURLTQ012 Diagnose and repair light vehicle drive into gear or when starting out from a stop
A shudder or vibration
when accelerating
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1
Boot clamp
2
Boot
3
Tripod retainer tabs
4
Closed type tulip assembly
5
Cover
6
Cap and spring assembly
7
Drive shaft
8
Boot lip groove
9
Snapping groove
10 Tripod assembly
11 Stop ring
AURLTQ012 Diagnose and repair light vehicle drive shafts
A cyclic vibration that comes and goes between 45 and 60mph (72
and 100 km/h)
True or False question
42. A vibration that occurs during all modes of driving, especially at 56 – 72 kph (35 – 45 mph), is most often caused by a faulty universal joint, a bent drive pinion shaft, or a damaged pinion flange. All of these will cause the drive shaft to have excessive runout.
☒ True
or
☐ False
Fill in the Gaps
43. Complete the following statement about removing and replacing a CV joint using the following words.
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Words: Axle, Brake, Circlip, Control, Damaging, Discarding, Grease, Ground, Hammer, Inboard, Inspect, Joint, Location, Needs, Pressure, Position, Raising, Reinstall, Removal, Separate, Slide, Steering, Wheel
1 - Removing the axle from the car begins with the removal of the wheel cover and wheel hub cover. The hub nut should be loosened before raising the car and removing the wheel.
2- After the car is raised and the wheel is removed, the hub nut can be unscrewed from the axle shaft. 3 -The brake line holding clamp must be loosened from the suspension.
4- The ball joint must be separated from the steering knuckle assembly. To do this, first remove the ball joint retaining bolt. Then pry down on the control arm until the ball joint is free.
5 -The inboard joint can be pulled free from the transaxle.
6-A special tool is normally needed to separate the axle shaft from the hub allowing the axle to be removed from the car. Never hit the end of the axle with a hammer.
7- The axle shaft should be mounted in a soft-jawed vise for work on the joint. Pieces of wood on either side of the axle work well to secure the axle without damaging it.
8 -Begin boot removal by cutting and discarding the boot clamps
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AURLTQ012 Diagnose and repair light vehicle drive 9- Scribe a mark around the axle to indicate the boots position on the shaft. Then move the boot off the joint 10 -Remove the circlip and separate the joint from the shaft.
11 -Slide the old boot off the shaft
12- Clean and inspect the joint, then wipe the axle shaft clean and install the new boot onto the shaft. 13- Place the boot into its proper location on the shaft and install a new clamp.
14- Using a new circlip, reinstall the joint on the shaft. Pack joint grease into the joint and boot. The entire packet of grease that comes with a new boot needs to be forced into the boot and joint.
15 -Pull the boot over the joint and into its proper position. Use a dull screwdriver to lift an edge of the boot up to equalize the pressure inside the boot with the outside air.
16- Install the new large boot clamp and reinstall the axle into the car. Torque the hub nut after the wheels have been reinstalled and the car is sitting on the ground. Always follow the correct procedure for the clamp being installed
Fill in the Gaps
44. Complete the following statement about removing and replacing a U- joint using the following words.
Words: Assembly, Bearing, Brass, Carefully, Correct, Drive, Ear, Index, Joint, Large, Position, Press, Push, Retaining, Rings, Shaft, Socket, Spider, Start, Trunnion, Yoke,
1 Clamp the slip yoke in a vise and support the outer end of the drive shaft.
2 Remove the lock rings on the tops of the bearing cups. Make index marks in the yoke so that the joint can be assembled with the correct phasing.
3 Select a socket that has an inside diameter large enough for the bearing cup to fit into; usually a 1¼-inch socket works.
4 Select a second socket that can slide into the shaft’s bearing cup bore – usually a 9/16-inch socket.
5 Place the large socket against one vise jaw. Position the drive shaft yoke so that the socket is around a bearing cup.
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AURLTQ012 Diagnose and repair light vehicle drive 6 Position the other socket to the center of the bearing cup opposite to the one in line with the large socket. 7 Carefully tighten the vise to press the bearing cup out of the yoke and into the large socket.
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AURLTQ012 Diagnose and repair light vehicle drive 8 Separate the joint by turning the shaft over in the vise and driving the cross and remaining bearing cup down through the yoke with a brass drift and hammer.
9 Use a drift and hammer to drive the joint out of the other yokes. 10 Clean any dirt from the yoke and the retaining ring grooves.
11Carefully remove the bearing cups from the new U-joint.
12Place the new spider inside the yoke and push it to one side. 13 Start one cup into the yoke’s ear and over the cross’s trunnion.
14 Carefully place the assembly in a vise or U-joint bearing press and press the cup partially through the ear. 15 Remove the shaft from the vise and push the cross toward the other side of the yoke.
16Start a cup into the yoke’s ear and over the trunnion.
17Place the shaft in the vise and tighten the jaws to press the bearing cup into the ear and over the trunnion. Then install the snap rings. Make sure they are seated in their grooves.
18Position the joint’s cross in the drive shaft yoke and install the two remaining bearing cups.
Multiple choice. Circle the correct answer
45. Before servicing the rear U-joint, slip joint, or centre bearing on a two-piece drive shaft,
.
A.
Make index marks on both ends of the driveshaft.
B.
Measure the pinion shaft angle.
C.
Measure the distance between the centre bearing and slip joint.
D.
All answers are correct.
46. What parts are included in a typical CV joint service kit?
Lithium grease , cv boot repair , tripod joint replacement , velocity joint repair
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AURLTQ012 Diagnose and repair light vehicle drive True or False question
47. You should use an impact wrench to tighten axle hub nuts.
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AURLTQ012 Diagnose and repair light vehicle drive ☐
True
or
☒ False
True or False question
48. Stake the axle hub nuts after they are tightened to lock them in place.
☒ True
or
☐ False
Multiple choice. Circle the correct answer
49. CV joints are lubricated with
.
A.
GL1 chassis grease.
B.
Silicone polymer-based grease.
C.
White lithium grease.
D.
Special high-temperature, high-pressure grease made specifically for CV joints.
50. Consider the various post repair checks that you would make during a road test on the vehicle drive shafts?
The vehicle will make noises such as clunk and ring, the vehicle will have intense vibration and shuddering and loss of performance.
Multiple choice. Circle the correct answer
51. Which source of information will give you the most detail about diagnosing and repairing light vehicle drive shafts on the vehicle you are working on?
A.
Workshop manual.
B.
Owner’s manual.
C.
Google.
D.
Textbooks.
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AURLTQ012 Diagnose and repair light vehicle drive 52. Why is it very important that the Job Card is completed correctly?
1)A job card should be completed correctly because it shows the progress of production.
2)It shows the status of each of the operation defined in the work order.
3)The time taken to do a job can be recorded and defined in a job card.
4)When the operation is completed, there might be some scrap produced and it is also mentioned in the job card.
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