Diagnose And Repair Light Vehicle Steering Systems

AURLTD004 Diagnose and repair light vehicle steering systems

 

 

Assessment 1 – Questioning – Written Assessment
Student Name		Student ID Number
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 / No
I am aware of which evidence will be collected and how.	Yes / No
I am aware of my right to appeal an assessment decision.	Yes / No
I am aware that I can locate the RTO’s Complaints and Appeals Policy and Procedure on their website at (insert website address)	Yes / No
I have discussed any additional educational support or reasonable adjustments I require in 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 address)	Yes / No
I have access to all required resources?	Yes / No
Cheating & Plagiarism Declaration
Student Declaration: In accordance with the RTO’s 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		Date:	______ / ______ / 20______

 

 

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
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 Signature	Assessor Signature
Date	Date

 

 

 

Context and Conditions of Assessment

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. · This is an open book assessment and will be conducted at the RTO address. · 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 assessment will be required to be completed in 10 hours · Your Trainer / Assessor will inform you of the due date for this assessment task. · Your Assessor will grade as either S – Satisfactory or NS – Not Satisfactory for the assessment. In all cases your Assessor will provide you with feedback. · Only when all assessment tasks have been graded as S – Satisfactory you will be deemed C – Competent in the final result of the unit of competency; if you do not satisfactorily complete all the assessment tasks you will be deemed NYC – Not Yet Competent.

Re-Assessment Conditions

· If the evidence is graded as NS – Not Satisfactory you will be required to re-submit the evidence. In this case, you will be provided with clear and constructive feedback based on the assessment decision so that they can improve your skills / knowledge prior to reassessment. · Where a ‘NS – Not Satisfactory’ judgement is made, you will be given guidance on steps to take to improve your performance and provided the opportunity to resubmit evidence to demonstrate competence. The assessor will determine and discuss the reasons for NS – Not satisfactory on any of the criteria and will assess you through a different method of assessment e.g. verbal/oral questioning, problem solving exercises. · You will be notified within 10 working days of undertaking an assessment of their result in achieving competency · If a student does not complete the assessment, they should notify their trainer as to why they did not complete the assessment and if due to illness, a medical certificate must be produced. “This process is detailed more in the “Training and Assessment Policy and Procedure” · In the above scenario, student will be given an opportunity for reassessment within 5 working days with no reassessment fee charged. · Students who are deemed to be Not Yet Competent (NYC) will be provided with information identifying the areas in which they failed to achieve competency. Students will then have the opportunity to repeat the assessment task within 5 working days of notification with no reassessment fee charged. · If a student is deemed NYC in the reassessment or if the student did not approach the RTO within five working days with a valid reason for not availing themselves of the reassessment opportunity, then those students will be given a final chance to re-sit the assessment and will be charged at $200.00. · After this no further reassessment attempt will be provided to the student and the student will be required to repeat the whole unit with full fee for the unit as per the fees policy of the RTO. The student will be made aware of the impact of repeating the unit may have on their student visa. · If a student is found to be cheating or plagiarising their assessment, a $200.00 reassessment fee will be charged for reassessing the assessment within 5 working days. · If the student is found to be plagiarising or cheating again after conclusion of the Intervention meeting with the Course Co-ordinator, the matter will be referred to the CEO / Operation Manager which may result in the suspension or cancellation of their enrolment · The RTO has intervention strategies, including student support services available to enable students to complete qualification in the expected time frame. Students at risk of not completing within this time frame are identified as early as possible and an intervention strategy is put in place.

The RTO will ensure access to:

· automotive repair workplace or simulated workplace · workplace instructions · manufacturer steering system specifications · one light vehicle with faults in its power-assisted rack and pinion steering system · diagnostic equipment for light vehicle steering systems · tools, equipment and materials appropriate for diagnosing and repairing light vehicle steering systems.

Evidence to be submitted by the student: –

· Completed written responses to the questions in the assessment task

Assessment Decision Making Rules

Your assessor will assess the evidence submitted for the following elements, performance criteria, performance evidence and knowledge evidence to confirm that the student evidence submitted demonstrates validity, sufficiency, authenticity and confirms current skills and knowledge relevant to the unit of competency. Your assessor will be looking for the following in this assessment task: – · work health and safety (WHS) and occupational health and safety (OHS) requirements relating to diagnosing and repairing light vehicle steering systems, including procedures for working with high pressure and high temperature steering systems · environmental requirements, including procedures for trapping, storing and disposing of power steering hydraulic fluid released from steering systems · operating principles of light vehicle steering systems and associated components, including: · manual steering systems · power steering systems · application, purpose and operation of the following components of light vehicle steering systems and components, including: · steering wheels, including clock springs · steering columns · manual steering systems, including: · rack and pinion · steering boxes · hydraulic power steering systems, including: · integral piston · power assisted rack and pinion · electronically controlled power steering systems · electric steering systems, including steering angle sensors · identification, function and basic operating principles of steering angles, including: · steering angles: · toe-in and toe-out · toe-out on turns · caster · camber · Ackermann principle of steering · steering axis inclination · diagnostic testing procedures for light vehicle steering systems, including: · operational testing · hydraulic steering system testing · electronic and load sensing steering testing · repair procedures for light vehicle steering systems, including procedures for removing, replacing and adjusting the systems · post-repair testing procedures for light vehicle steering systems

 

 

 

Assessment 1 – Questioning

Written Assessment

 

1. Identify five (5) important items of personal safety when diagnosing and repairing steering systems?

 

1

2

3

4

5

 

 

2. When diagnosing and repairing components on the power steering system what precautions should be observed?

 

1

2

3

 

 

3. Hoses must be carefully routed away from engine manifolds. Power-steering fluid is very flammable. If it comes in contact with hot engine parts, it could start an underbonnet fire.

 

True or False:

 

 

 

4. Complete the following statement about working with hydraulic power steering systems using the following words.

Words: Contamination, Damage, Disconnected, Openings, Power, Start, Steering

Do not __________ the vehicle with any power __________ gear inlet or outlet hoses __________. When disconnected, plug or cap all __________ of components. Failure to do so could result in __________ or loss of __________ steering fluid and __________ to the system

 

 

5. When handling, trapping, storing and disposing of new or waste oils, which document should you use to find this information?

 

 

 

 

 

6. How should waste hydraulic fluid be stored and disposed?

 

 

 

 

 

7. When changing the hydraulic power steering fluid, what should you use to catch the waste fluid?

 

A. Drain pan

B. Mop bucket

C. Storm water drain

D. Funnel

 

 

8. Complete the following statement about manual steering systems operation using the following words.

Words: Column, Gear, Linkage, Steering, Subsystems, Transfers, Vehicle’s, Wheel

The __________ system is composed of three major __________: the steering linkage, steering __________, and steering __________ and wheel. As the steering __________ is turned by the driver, the steering gear __________ this motion to the steering __________. The steering linkage turns the wheels to control the __________ direction.

 

 

9. Complete the following statement about power steering systems operation using the following words.

Words: Assist, Assistance, Conventional, Design, Driver, Easier, Effort, Electronically, Integral-piston, Motor, Parking, Pinion, Power-steering, Road, Systems, Wheel

The __________ unit is designed to reduce the amount of __________ required to turn the steering __________. It also reduces __________ fatigue on long drives and makes it __________ to steer the vehicle at slow __________ speeds, particularly during __________. Power steering can be broken down into two __________ arrangements: conventional and nonconventional or __________ controlled. In the __________ arrangement, hydraulic power is used to __________ the driver. In the nonconventional arrangement, an electric __________ and electronic controls provide power __________ in steering. There are several power-steering __________ in use on passenger cars and light-duty trucks. The most common ones are the __________, and power-assisted rack and __________ system

 

 

10. All steering systems have a?

 

A. Linkage

B. Steering gear

C. Steering column and wheel

D. All answers are correct

 

 

11. Steering column connects the steering wheel to the steering gear.

 

True or False:

 

 

 

12. Complete the following statement about steering wheel and column purpose and operation using the following words.

Words: Assembly, Assist, Assorted, Brackets, Car, Collapsible, Column, Disarmed, Effort, Equipped, Impact, Injury, Motor, Movement, Perform, Produce, Steering, Turn, Universal, Upper, Used, Wheel

The purpose of the __________ wheel and column is to __________ the necessary force to __________ the steering gear. The exact type of steering __________ and column depends on the year and the __________ manufacturer. The steering __________, also called a steering shaft, relays the __________ of the steering wheel to the steering gear. An electric __________, used to provide power steering __________, may be part of the steering column. The steering wheel is used to produce the turning __________. The lower and __________ covers conceal parts. The __________ joints rotate at angles. Support __________ are used to hold the steering column in place. __________ screws, nuts, bolt pins, and seals are __________ to make the steering wheel and column __________ correctly. All steering columns have a __________ feature that allows the column to fold into itself on __________. This feature prevents __________ to the driver. In vehicles __________ with a driver’s side air bag, the air bag __________ is contained in the centre portion of the steering wheel. This assembly must be __________ and removed before the steering wheel can be removed.

 

 

13. The clock spring is located at the bottom of the steering column.

 

True or False:

 

 

 

14. The clock spring allows the electric signals from the air bay electronic control module to connect to the driver’s air bag module while allowing the steering wheel to rotate freely.

 

True or False:

 

 

 

 

15. The wiring harness and electrical connectors for the air bag system components are coloured?

 

A. Red

B. Yellow

C. Orange

D. Day glow pink

 

 

16. Name the components of the Steering Column below.

1 2 3 4 5	6 7 8 9

 

 

17. In a rack-and-pinion steering system, the rack is the steering input and drives the pinion in to move the wheels.

 

True or False:

 

 

 

 

18. Name the components of the rack-and-pinion below.

1 2 3 4 5 6

 

 

19. In a rack-and-pinion steering system, what protects the rack from contamination?

 

A. The inner tie-rod socket

B. The outer tie-rod socket

C. Grommets

D. The bellows boots

 

 

20. Rack–and-pinion steering?

 

A. Is lighter in weight and has fewer components than a parallelogram steering system

B. Does not provide as much feel for the road as a parallelogram steering system

C. Does not use tie-rod in the same fashion as a parallelogram steering system

D. All answers are correct

 

 

21. Which of the following is NOT part of a rack-and-pinion steering system?

 

A. Pitman arm

B. Idler arm

C. Centre link

D. All answers are correct

 

 

22. The only steering linkage parts used in a rack-and-pinion steering system are?

 

A. Pitman arm

B. Tie-rods

C. Idler arm

D. Centre link

 

 

 

23. In a rack-and-pinion steering system, the rack performs the task as the centre link in a parallelogram-type steering system.

 

True or False:

 

 

 

24. In a rack and pinion steering gear, the rack maintains the tie rods in parallel position in relation to the lower controls arms.

 

True or False:

 

 

 

25. Explain the function of the following rack-and-pinion components.

Rack:

 

 

 

 

 

 

 

Pinion:

 

 

 

 

 

Tie-rods:

 

 

 

 

 

 

 

 

 

 

26. Name the components of the parallelogram steering linkage below.

1 2 3 4 5	6 7 8 9

 

 

27. The worm and roller steering components are basically the same found in the recirculating ball/ parallelogram system?

 

True or False:

 

 

 

28. The main job of the idler arm is to support the?

 

A. Left side of the centre link

B. Right side of the centre link

C. Pitman arm

D. Steering column

 

 

29. What components connects the steering gearbox to the steering linkage?

 

A. Idler arm

B. Pitman arm

C. Steering shaft

D. Tie-rod

 

 

 

30. Name the components of the steering gear below.

1 2 3 4 5 6 7 8 9

 

 

31. The function of the balls in a recirculating ball-type steering gear is to?

 

A. Multiply steering input torque

B. Multiply steering output torque

C. Reduce friction between the worm shaft

D. Transfer end thrust to the pitman shaft

 

 

32. The recirculating ball steering gear is used mostly on large vehicles and light trucks.

 

True or False:

 

 

 

33. The idler arm connects to the frame at the opposite side of the centre link from the pitman arm.

 

True or False:

 

 

 

34. What is the primary purpose of the power steering hoses?

 

A. To lubricate the pump

B. To relieve pressure

C. To transmit pressurised fluid power

D. None of these answers are correct

 

 

35. A variable steering ratio can normally be found in __________ steering units.

 

A. Manual

B. Power

C. Both “manual” and “power”

D. Neither “manual” or “power”

 

 

36. Which of the following is true of the integral-piston power steering linkage system?

 

A. The power cylinder is integrated with the steering gear

B. The power cylinder has four (4) hydraulic lines connected to it

C. The power cylinder is attached to the steering column

D. All answers are correct

 

 

37. An integral system has the power cylinder and the control valve located inside the same housing as the steering gear.

 

True or False:

 

 

 

38. External piston linkage system has the power cylinder and control valve located externally, between the centre link and the frame?

 

True or False:

 

 

 

39. Power steering hoses must be able to withstand pressures up to?

 

A. 500psi

B. 1000psi

C. 1500psi

D. 2500psi

 

 

40. Hydraulic fluid for the power steering pump is stored in a reservoir?

 

True or False:

 

 

 

41. Name the components of the integral-piston power steering system below.

1 2 3	4 5 6 7

 

42. Complete the following statement about integral power-steering gearbox operation using the following words.

Words: Addition, Assist, Centring, Chamber, Connected, Cylinder, Gearbox, Hydraulic, Integral, Lever, Linkage, Manual, Oil, Pitman, Ports, Power, Pump, Recirculating, Spool, System, Wheel

A power-steering __________ is basically the same as a __________ recirculating ball gearbox with the __________ of a hydraulic __________. A power-steering gearbox is filled with __________ fluid and uses a control valve. An __________ power-steering __________ has the spool valve and a __________ piston integrated with the __________ ball gearbox. The spool valve directs the __________ pressure to the left or right power __________ to steer the vehicle. The spool valve is actuated by a __________ or a small torsion bar. In parallelogram __________ systems, the control valve is __________ directly to the steering linkage through the __________ arm on the steering gear. Any movement of the steering __________ and the pitman arm compresses the __________ spring and moves the valve __________. This opens and closes a series of __________ directing fluid under pressure from the __________ to one side or the other of the power __________ piston

 

 

43. Nearly all late model vehicles use a single __________ to drive the power steering pump and all other belt-driven components.

 

A. Flat drive belt

B. V-belt

C. Serpentine belt

D. Multilink metal belt

 

 

44. Name the components of the rack-and-pinion power steering system below.

1 2 3 4

 

 

 

45. Complete the following statement about rack-and-pinion power-steering operation using the following words.

Words: Chambers, Gear, Housing, Hydraulic, Integral, Manual, Move, Mounted, Pinion, Piston, Power, Pressure, Rack, Reduces, Sealed, Valve, Wheel

Power-Assisted __________ and Pinion Steering Power-assisted rack and __________ components are basically the same as for __________ rack and pinion steering, except for the __________ control housing. As mentioned earlier, the __________ rack and pinion steering unit may be classified as __________. The rack functions as the power __________ and the spool __________ is connected to the pinion __________. In a power rack and pinion gear, the piston is __________ on the rack, inside the rack __________. The rack housing is __________ on either side of the rack piston to form two separate hydraulic __________ for the left and right turn circuits. When the __________ is turned, the rotary valve creates a __________ differential on either side of the rack piston. This causes the rack to __________ toward the lower pressure and __________ the total effort required to turn the wheels.

 

 

46. Electronic rack-and-pinion systems use an electric motor to pump the hydraulic fluid through the hoses.

 

True or False:

 

 

 

47. The power steering pressure on an electronically controlled power steering system is regulated by the vehicle’s computer by varying the __________ applied to the pressure control solenoid.

 

A. Frequency

B. Resistance

C. Duty cycle

D. voltage

 

 

48. The primary sensor input used by an electronically controlled power steering system is the?

 

A. Engine coolant temperature (ECT)

B. Vehicle speed sensor (VSS)

C. Engine RPM (CKP)

D. Mass airflow (MAF)

 

 

49. Electric power steering systems require a steering input torque sensor to determine how much electric current should be sent to the steering assist motor. This torque sensor uses a small torsion bar that is connected between the steering column and the pinion shaft.

 

True or False:

 

 

 

 

50. Name the two (2) major components of the electronically controlled power steering system below.

1 2

 

51. Name the components of the electronically-hydraulically controlled power steering system below.

1 2 3 4 5 6 7	8 9 10 11 12 13 14	15 16 17 18 19 20

 

 

52. Caster is the angle of the steering axis of a wheel from the vertical, as viewed from the side of the vehicle.

 

True or False:

 

 

 

53. Camber is the angle represented by the tilt of a wheel inward or outward from the vertical as viewed from the front of the car.

 

True or False:

 

 

 

54. Correct caster angles are designed to provide steering stability.

 

True or False:

 

 

 

55. Caster is the angle of the steering axis of a wheel from the vertical, as viewed from the side of the vehicle.

 

True or False:

 

 

 

56. Name the three (3) different types of caster angles below.

A. B. C.

 

 

57. Name the two (2) different types of camber angles below.

A. B.

 

 

58. Name the two (2) different types of toe angles below

1 2

 

 

59. Complete the following statement about toe angles using the following words.

Words: Cause, Critical, Distance, Excessive, Greater, Less, Outside, Sideways, Straight, Surface, Trailing, Wear

Toe is the __________ comparison between the leading edge and __________ edge of the front tyres. If the leading-edge distance is __________, then there is positive toe or toe-in. If it is __________, there is negative toe or toe-out. Actually, toe is __________ as a tyre-wearing angle. Wheels that do not track __________ ahead have to drag as they travel forward. __________ toe measurements (in or out) __________ a saw-tooth edge on the tread __________ from dragging the tyre __________. Excessive toe-in will cause tyre wear on the __________ edge of the tyre. Toe-out causes __________ on the inside edge.

 

 

60. Complete the following statement about camber angles using the following words.

Words: Camber, Designed, Equally, Front, Inward, Outward, Passenger, Pivots, Positive, Suspension, Tilt, Vehicle, Wear

__________ is the angle represented by the __________ of either the front or rear wheels inward or __________ from the vertical as viewed from the __________ of the car. Camber is __________ into the vehicle to compensate for road crown, __________ weight, and vehicle weight. Camber is usually set __________ for each wheel. Equal camber means each wheel is tilted outward or __________ the same amount. Unequal camber causes the __________ to pull toward the side that is more __________. Excessive camber causes tyre __________. Camber angle changes, due to the travel of the __________ system, are controlled by the suspension’s __________.

 

61. Complete the following statement about caster angles using the following words.

Words: Adjusted, Angle, Caster, Forward, Positive, Side, Tilt, Vertical

Caster is the __________ of the steering axis of a wheel from the __________, as viewed from the __________ of the vehicle. The forward or rearward __________ from the vertical line is __________. Caster is most often the first angle __________ during an alignment. Tilting the axis __________ is negative caster. Tilting backward is __________ caster.

 

 

62. Toe-out-on-turns may also be called turning radius or turning angle

 

True or False:

 

 

 

63. Complete the following statement about turning radius using the following words.

Words: Adjustable, Corner, Damaged, Outside, Pointed, Present, Radius, Scrubbing, Steering, Wheel

Turning __________ relates to the amount of toe-out __________ in turns. This is also called “toe-out on turns” or “turning angle.” As a car goes around a __________, the inside tyre must travel in a smaller radius circle than the __________ tyre. This is accomplished by designing the __________ geometry to turn the inside wheel sharper than the outside __________. The result can be seen as toe-out in turns. This eliminates tyre __________ on the road surface by keeping the tyres __________ in the direction they have to move.

Turning radius is not an __________ angle. If the angle is not correct, the tie-rods, steering arm, or steering knuckle are __________ and will need to be replaced.

 

 

64. What is the Ackermann principle of steering?

 

 

 

 

 

 

 

65. Steering axis inclination (SAI) is the angle between true vertical and a line drawn between the steering pivots as viewed from the front of the vehicle.

 

True or False:

 

 

 

 

66. Complete the following statement about turning radius using the following words?

Words: Angle, Between, Inclination, Inside, Return, Stability, Vehicle, Weight

Steering axis __________ (SAI) locates the vehicle weight to the __________ or outside of the vertical centreline of the tyre. The SAI is the __________ between true vertical and a line drawn __________ the steering pivots as viewed from the front of the __________. It is an engineering angle designed to project the __________ of the vehicle to the road surface for __________. The SAI helps the vehicle’s steering system __________ to straight ahead after a turn.

 

 

67. A torque wrench is used to measure bearing drag when making steering gear adjustments.

 

True or False:

 

 

 

68. Power steering fluid pressure can be measured with a scan tool.

 

True or False:

 

 

 

69. A pull scale is used to determine whether the actual steering force is within specification.

 

True or False:

 

 

 

70. Most late model vehicles have a power-steering pressure sensor that can be monitored with a scan tool.

 

True or False:

 

 

 

71. If the system does not have a power steering pressure sensor, you must diagnose the system by connecting a power-steering pressure gauge to the pump outlet.

 

True or False:

 

 

 

72. An oil leak at the bellows of a rack-and-pinion could be caused by?

 

A. Inner rack seal

B. Outer rack seal

C. Pinion seal

D. All answers are correct

 

 

 

73. Describe how to inspect a pitman arm for wear?

 

 

 

 

 

 

 

74. What is a dry park check?

 

 

 

 

 

 

 

 

 

75. Which of the following will NOT cause steering wandering?

 

A. Leaking rack piston

B. Poor wheel alignment

C. Improper steering gear preload adjustment

D. A faulty power-steering pump

 

 

76. While checking out the front end of a vehicle, the technician grabs the driver’s side tire and steers the wheels manually left and right. While he does this, he notices that the centre link moves up and down. What component is most likely at fault?

 

A. Worn tie-rod ends

B. Worn centre link

C. Worn idler arm

D. Worn steering universal joints (coupler)

 

 

77. Hard steering could be caused by?

 

A. Inadequately inflated tyres

B. A loose power steering belt

C. Restricted power-steering lines or hoses

D. All answers are correct

 

 

 

78. A technician is checking a vehicle for loose and erratic steering. When an assistant moves the steering wheel left and right, he notices the entire steering rack move back and forth about 10mm. He checks the tightness of the rack mounting bolts and find that they are torqued to specifications. What could be the problem?

 

A. Worn inner tie rod end

B. Worn outer tie rod end

C. Worn steering universal joint

D. Worn rack mount bushings

 

 

79. Which of the following would NOT cause excessive play in the steering wheel?

 

A. Worn ball joints

B. Loose power-steering belt

C. Worn tie-rod ends

D. Damaged or worn steering gear

 

 

80. In an electric steering system, the __________ must be recalibrated to its zero point whenever the steering gear, steering wheel, steering column, or steering control module has been removed or replaced.

 

A. Torque sensor

B. Clock-spring assembly

C. Steering wheel

D. Pressure control sensor

 

 

81. Complete the following statement about hydraulic power-steering replacement using the following words.

Words: Belt, Drain, Drive, Engine, Fluid, Remove, Replace, Replacement, Points, Pressure, Puller, Pump, Service, Size, Specifications

To __________ a power-steering pump follow the manufacturer’s __________ procedures. Begin by removing the drive __________. Next, determine if the pulley must be removed to __________ the pump from its bracket. If so, remove the pulley using the appropriate __________. Remove the return hose and __________ the power steering fluid into an oil pan, then remove the __________ hose. Next, unbolt the pump from the bracket and remove the __________. Compare the old pump to the __________ pump. Make sure the replacement pump has the same __________ fitting and mounting __________. Install the new pump and torque the fasteners to __________. Reconnect the hoses and reinstall the pulley and __________ belt. Fill the system with the correct power steering __________ and bleed the air from the system. Start the __________, check for leaks, and ensure proper power steering operation.

 

 

 

82. Complete the following statement about hydraulic power-steering bleeding using the following words.

Words: Adapter, Apply, Cap, Connect, Correct, Engine, Fluid, Hydro-boost, Leaks, Off, Release, Remove, Reservoir, Start, Steering, Turn, Vacuum

Step 1 Remove the __________ cap.

Step 2 Tightly install the adapter of the __________ pump to the reservoir opening.

Step 3 Start the __________

Step 4 __________ the vacuum pump.

Step 5 Apply 20 to 25 in. Hg (68 to 85 kPa) of vacuum. Note: If the vehicle has a __________ system, depress the brake pedal two times.

Step 6 Fully cycle the __________ wheel from stop to stop ten times.

Step 7 Turn __________ the engine.

Step 8 Release the vacuum and __________ the adapter from the reservoir.

Step 9 Fill the reservoir with the __________ fluid.

Step 10 Tightly install the __________ of the vacuum pump to the reservoir opening.

Step 11 __________ the engine.

Step 12 __________ 20 to 25 in. Hg (68 to 85 kPa) of vacuum. Note: If the vehicle has a hydro-boost system, depress the brake pedal two times.

Step 13 __________ off the engine.

Step 14 __________ the vacuum and remove the adapter from the reservoir.

Step 15 Fill the reservoir with the correct __________.

Step 16 Check the system for signs of __________. Make repairs as necessary.

Step 17 Install the reservoir __________

 

 

83. Consider the various post service checks that you would make during a road test on the steering system?

 

 

 

 

 

 

 

84. Which source of information will give you the most detail about diagnose and repair steering systems on the vehicle you are working on?

 

A. Workshop manual

B. Owner’s manual

C. Google

D. Textbooks

 

 

 

85. Why is it very important that the Job Card is completed correctly?

 

 

 

 

 

 

 

 

 

 

 

Written Assessment – AURLTD004	Created Date:	10th June 2018
Aspen College	Last Modified Date:	21st March 2019
RTO ID 45482 CRICOS Code 03753A	Version 2.1	Page 1 of 5