Automotive Technology - gov.pe.ca

2010

Prince Edward Island Department of Education

and Early Childhood Development

P.O. Box 2000, Charlottetown

Prince Edward Island

Canada, C1A 7N8

Tel. (902) 368-4600

Fax. (902) 368-4622

http://www.gov.pe.ca/eecd/

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Automotive TechnologySteering Systems (AUT801D)Course Description The steering gear mechanism is an integral component of any vehicle system. Service technicians must have a clear understanding of the principles of operation and the components of steering systems. They will learn how to diagnose and correct problems related to vehicle steering components; how to service and repair manual and power steering systems and steering columns; and about basic frame construction.

SCO - Identifi es the Specifi c Curriculum Outcome (SCO)

Column 1SCO - DelineationsDescribes what the students are expected to know, be able to do, and value in order to achieve the SCO.The teacher is responsible for the planning and facilitation of learning as well as the assessment of each SCO - Delineation.

Column 2Student Knowledge, Abilities, and CompetenciesProvides clarity to the SCO by describing the knowledge, abilities, and competencies that the students develop. This column is designed to indicate the depth and breadth of the SCO. It is not necessary to use all of these suggestions or that all of the students be engaged in the same learning activity.

Column 3Teacher Lessons / DemonstrationsProvides suggestions for developing and delivering the content for student learning.

Student Activities / AssessmentsProvides suggestions for creating mean-ingful activities to allow the student to achieve the SCO.

Column 4ResourcesLists a variety of resources that support the teaching and learning related to the SCO. These resources are suggested to support the teacher in developing an effective instructional package for delivery to the students.

Classroom Component—Suggested time: 26 hours This component of the curriculum is required to teach the knowledge and skills associated with the learning outcomes of the curriculum.

Skill Development Component—Suggested time: 84 hours This component of the curriculum is required by the student to apply the knowledge and develop the skills related to the learning outcomes of the curriculum.

CAREER AND TECHNICAL EDUCATION CURRICULUM2

CURRICULUM OUTCOMES

Module 1: Manual Steering (~4 hours Classroom Component)

26. Students will be able to diagnose, service, and repair manual steering gear assemblies. Students will be expected to26.1 explain the construction and design features of common manual steering gears26.2 adjust, repair, and diagnose problems related to manual steering gears

Module 2: Power Steering (~14 hours Classroom Component)

27. Students will be able to diagnose, service, and repair power steering systems.

Students will be expected to27.1 explain the construction and design features of power steering gears27.2 identify power steering pump types and explain their operation27.3 explain the principles of operation of power steering systems27.4 diagnose, repair, and adjust non–rack and pinion power steering gears27.5 diagnose, repair, and adjust rack and pinion power steering gears27.6 diagnose power steering problems

CURRICULUM OUTCOMES

CAREER AND TECHNICAL EDUCATION CURRICULUM 3

Module 3: Steering Columns (~5 hours Classroom Component)

28. Students will be able to service and repair steering columns and their related safety devices.

Students will be expected to28.1 explain the construction, design features, and operation of steering column safety features28.2 service and repair steering columns and related safety devices28.3 safely disarm, remove, re-install, and re-arm a steering column air bag

Module 4: Frames (~3 hours Classroom Component)

29. Students will be able to identify automotive frame damage.

Students will be expected to29.1 identify frame damage, using knowledge of frame construction and design features29.2 perform frame-checking procedures

5CAREER AND TECHNICAL EDUCATION CURRICULUM

AUT801D - STEERING SYSTEMS

Manual Steering (~4 hours Classroom Component)

Introduction Manual steering gears provide drivers with mechanical leverage, responsive action, and reactionary feel for various road conditions. The apprentice must have a working knowledge and understanding of the steering gear to guide him/her in the, service, adjustment, diagnosis, and repair, and adjustment of steering systems.

26. Students will be able to diagnose, service, and repair manual steering gear assemblies.

Assessment

Strategies

Resources Alberta Module 090104d, Manual SteeringCDX GlobalStudentsAchieve (http://sas.edu.pe.ca)

Students will be expected to26.1 explain the construction and design features of common manual steering gears26.2 adjust, repair, and diagnose problems related to manual steering gears

Specifi c

Curriculum

Outcome

SCO - Delineations

Paper/PencilSelf/Peer-AssessmentsSkills PerformanceTeacher ObservationCareer Portfolio

SCO - Delineations Student Knowledge, Abilities, and Competencies

Students will be expected to

Manual Steering (~4 hours Classroom Component) SCO 26. Students will be able to diagnose, service, and repair manual steerig gear assemblies.

AUT801D - STEERING SYSTEMS - MODULE 1


26.1 explain the construction and design features of common manual steering gears

Topic: Steering Gears• Identify the parts of the steering gear and linkage system.• Describe the function of the manual steering gear.• Identify the components of a recirculating ball and nut steering gear.• Describe the function of a recirculating ball and nut steering gear.• Identify the components of a rack and pinion steering gear.• Describe the function of a rack and pinion steering gear.

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Teacher Lessons / Demonstrations Resources

CAREER AND TECHNICAL EDUCATION CURRICULUM



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Resources


Texts / Teacher ResourcesAlberta Module 090104dManual Steeringpp. 1-4

Student Activities / Assessments

Topic: Steering Gears• Use graphics from the ILM Graphics CD to support the lesson.• Create a slideshow or overhead transparencies of fi g. 1 and explain the function of each component of the steering gear.

Literacy• Anticipation Guide - Use as a pre-reading strategy. Frame statements around the function and types of steering gears.

Numeracy• Develop a math-enhanced lesson focussing on reading and measuring torque specifi cations. (Refer to AUT701A, Communications, for 7-step model)

• Identify the steering gears and linkage on a shop car.• ALLDATA: Locate the correct procedure and torque specifi cation for the steering gear on a variety of vehicles.

Literacy• Complete a worksheet designed as a during-reading strategy to help you though the information in the ILM.

Numeracy• Practise converting metric to imperial measure.






26.2 adjust, repair, and diagnose problems related to manual steering gears

Topic: Service, Diagnosis and Repair of Recirculating Ball and Nut Steering Gears• Perform a disassembly of a recirculating ball and nut steering gear.• Perform an inspection of a recirculating ball and nut steering gear.• Perform a reassembly of a recirculating ball and nut steering gear.• Describe the proper sequence for adjusting a manual steering gear.• Measure worm bearing payload in and out of the vehicle.• Measure sector shaft end play in and out of the vehicle.• Perform a high spot adjustment in and out of the vehicle.• Perform a manual steering gear adjustment in the vehicle.

Topic: Service, Diagnosis and Repair of Rack and Pinion Steering Gears• Perform a disassembly of a rack and pinion steering gear.• Perform an inspection of a rack and pinion steering gear.• Perform a reassembly and adjustment of a rack and pinion steering gear.• Describe the characteristics of steering gear lubricant.• Demonstrate an understanding of problems associated with steering assemblies and suggest ways to correct them.

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Texts / Teacher ResourcesAlberta Module 090104dManual Steeringpp. 4-13

Software / DatabasesStudentsAchieve (SAS)AUT801D/Manual Steering

Visuals / Handouts / TestsSelf-TestManual Steeringpp. 14-15

Topic: Service, Diagnosis and Repair of Recirculating Ball and Nut Steering Gears.• Demonstrate how to remove select components of the steering gear from a shop vehicle . • Demonstrate how to disassemble and inspect a recirculating ball and nut.

Numeracy• Demonstrate how to measure the worm bearing payload, sector shaft end play, and the high spot.

Topic: Service, Diagnosis and Repair of Rack and Pinion Steering Gears.• Demonstrate how to remove, disassemble, inspect, and adjust a rack and pinion.

• Component ID: Complete a worksheet for both types of steering gears.• Disassemble and perform an inspection of a recirculating ball and nut steering gear.• Disassemble and perform an inspection of a rack and pinion steering gear.

Numeracy• Measure and check the adjustments on a shop vehicle.

Enrichment / Research Activity

• Research other types of steering systems found on different types of vehicles (motorcycles, transport trucks, farm equipment).

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Power Steering (~14 hours Classroom Component)

Introduction The majority of today’s vehicles are equipped with power-assisted steering systems. The apprentice must have a working knowledge and understanding of various types of power steering pumps and how they work. He/she must be able to discuss the principles of operation of power steering systems.

27. Students will be able to diagnose, service, and repair power steering systems.

Assessment

Strategies

Resources Alberta Module 090104e, Power SteeringCDX GlobalStudentsAchieve (http://sas.edu.pe.ca)

Students will be expected to27.1 explain the construction and design features of power steering gears27.2 identify power steering pump types and explain their operation27.3 explain the principles of operation of power steering systems27.4 diagnose, repair, and adjust non–rack and pinion power steering gears27.5 diagnose, repair, and adjust rack and pinion power steering gears27.6 diagnose power steering problems

Specifi c

Curriculum

Outcome

SCO - Delineations




Power Steering (~14 hours Classroom Component)SCO 27. Students will be able to diagnose, service, and repair power steering systems.



27.1 explain the construction and design features of power steering gears

27.2 identify power steering pump types and explain their operation

Topic: Design Features • Demonstrate an understanding of the purpose of power steering systems.• Identify the components of integral and non-integral power steering gears.• Demonstrate an understanding of the function of a non-integral power steering gear.• Demonstrate an understanding of the internal function of an integral power steering gear.• Identify the components of two rack and pinion power steering gears.• Compare end take off and centre take off power steering gears.• Demonstrate an understanding of the internal function of a power rack and pinion steering gear.

Topic: Pumps • Demonstrate an understanding of the purpose of the power steering pump.• Identify four different types of power steering pumps: - roller type - vane type - slipper type - gear type• Demonstrate an understanding of the basic operation of each type of power steering pump.• Locate the fl ow control valve and pressure control valve on power steering pumps.

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Texts /Teacher ResourcesAlberta Module 090104ePower Steeringpp. 1-9

Software / DatabasesCDX Global

StudentsAchieve (SAS)AUT801D/Power Steering

Topic: Design Features• Create a slideshow using graphics from the ILM to identify the components in a power steering system.• Bring a shop car in and, with small groups of students, identify the design features of integral and non-integral power steering systems.• With the help of visuals, explain the function and operation of integral, non-integral, and rack and pinion power steering gear systems.

Topic: Pumps• Use graphics to explain the function and operation of vane and gear type pumps.

• Label diagrams of power steering systems.• Component ID: Correctly identify all power steering components on shop vehicles.• Use diagrams to explain the operation of power steering pumps.

Literacy• KWL: Use as a pre and post reading strategy for pp.1-9 of the ILM (refer to rack and pinion steering and hydraulic components as a starting point for the KWL).






27.3 explain the principles of operation of power steering systems

Topic: Operating Principles• Identify the components and describe the function of the following types of valves found in a power steering system: - directional control valve - fl ow control valve - pressure control valve• Describe the interaction between the operation of the vehicle and the valves of the power steering system.• Describe the function of the torsion bar in the directional control valve.• Describe two ways a power-assist system controls road shock.• Describe the advantages and disadvantages of power-assisted steering.• Describe the purpose of variable-assist systems.• Describe the difference between the variable orifi ce and variable effort variable-assist systems.

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Texts / Teacher ResourcesAlberta Module 090104ePower Steeringpp. 10-17



Topic: Operating Principles• Show CDX video on power steering, and do the knowledge check and handout activity as a class after viewing.• Show CDX video on the fl ow control valve. Have the students refer to fi gures 13-18 in the ILM as the video plays. • Explain the function and operation of a directional control valve using the graphics from the ILM.• Explain how the power system operates.• Explain how to control road shock and speed control.

Literacy• Anticipation Guide: Use as a pre-reading strategy for pp. 14-18.

• Use diagrams to explain the principles of operation of power steering systems.






27.4 diagnose, repair, and adjust non–rack and pinion power steering gears

Topic: Non–Rack and Pinion• Name the most common steering gear found on domestic rear wheel drive vehicles.• Demonstrate the proper procedure for disassembling a recirculating ball and nut power steering system.• Demonstrate an understanding of problems and defects to look for when performing an inspection of a recirculating ball and nut power steering system.• Demonstrate the ability to perform an inspection of a recirculating ball and nut power steering system.• Demonstrate the proper assembly of a recirculating ball and nut power steering system.• Demonstrate an understanding of the correct sequence for adjusting the power steering gear off the vehicle and on the vehicle.• Demonstrate the ability to perform an adjustment to the power steering gear off the vehicle and on the vehicle.• Explain the importance of bleeding and refi lling the power steering system.• Demonstrate the ability to refi ll and bleed the power steering system.

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Topic: Non–Rack and Pinion• Use graphics from the ILM to explain the disassembly, inspection, and reassembly of a common Saginaw gear.• Demonstrate the disassembly, inspection, and reassembly of a Saginaw gear.• Demonstrate how to adjust the thrust bearing and high spot on and off a vehicle.• Demonstrate refi lling and bleeding procedures.


• Perform a disassembly, inspection, and reassembly of a Saginaw gear.• Adjust the thrust bearing and high spot on and off a vehicle.• Flush, bleed and refi ll power steering systems.• CDX: Complete the following tasksheets: - C177—Inspect power steering fl uid levels and condition - C178—Flush, fi ll, and bleed power steering system - C479—Check and adjust power steering fl uid level

Literacy• Prior to performing the student activities students, should read pp. 19-27 and complete a worksheet as preparation for the task.






27.5 diagnose, repair, and adjust rack and pinion power steering gears

Topic: Rack and Pinion• Name the most common type of rack and pinion power gear.• List typical problems and symptoms related to the rack and pinion steering gear.• Demonstrate the proper procedure for the disassembly of a rack and pinion power steering gear• Demonstrate the ability to perform an inspection of a rack and pinion power steering gear.• Demonstrate the proper assembly and adjustment of a rack and pinion power steering system.• Demonstrate the ability to refi ll and bleed the power steering system.

Topic: Diagnosis• List common power steering problems.• Demonstrate the ability to perform preliminary inspections to identify obvious power steering problems.• Demonstrate the ability to perform a pressure test.• Describe other testing methods used to diagnose power steering problems.• Demonstrate the ability to interpret scan tool data related to power steering systems.

27.6 diagnose power steering problems

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Topic: Rack and Pinion• Use graphics from the ILM to explain the disassembly, inspection and reassembly of a rack and pinion gear.• Demonstrate the disassembly, inspection, and reassembly of a rack and pinion gear.• Demonstrate how to adjust the rack bearing.• Demonstrate refi lling and bleeding procedures.

Topic: Diagnosis• Review generic power steering symptoms and probable causes.• Demonstrate how to perform a preliminary inspection of common power steering problems.• Demonstrate how to preform a pressure test on a power steering system.• Demonstrate how to perform electrical tests using a scan tool.


• Perform a disassembly, inspection, and reassembly of a rack and pinion gear.• Adjust the rack bearing.• Flush, bleed, and refi ll power steering systems.• Perform a preliminary inspection.• Perform a pressure test.• Perform electrical tests.• ALLDATA: Locate manufacturer’s specifi cations related to power steering system diagnosis.• CDX: Complete tasksheet C186—test and diagnose components of electronically controlled steering systems, using a scan tool.

Literacy• Prior to performing the activities, read pp. 29-33 and complete worksheets as preparation for the tasks.



Steering Columns (~5 hours Classroom Component)

Introduction Steering columns have evolved into complex multi-function control units. The apprentice must understand the design and function of the steering column, its controls, and its safety features designed to ensure the integrity of the vehicle and the safety of the driver.

28. Students will be able to service and repair steering columns and their related safety devices.

Assessment

Strategies

Resources Alberta Module 090104h, Steering ColumnsCDX GlobalStudentsAchieve (http://sas.edu.pe.ca)

Students will be expected to28.1 explain the construction, design features, and operation of steering column safety features28.2 service and repair steering columns and related safety devices28.3 safely disarm, remove, install, and re-arm a steering column air bag

Specifi c

Curriculum

Outcome

SCO - Delineations


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Steering Columns (~5 hours Classroom Component)SCO 28. Students will be able to service and repair steering columns and their related safety devices.



28.1 explain the construction, design features, and operation of steering column safety features

28.2 service and repair steering columns and related safety devices

Topic: Design Features• List safety design features of steering columns.• Describe the advantages of fl exible couplings on steering shaft columns.• Demonstrate an understanding of the design of breakaway mountings on the steering column.• Explain the designed operation of collapsible shafts and housings upon frontal impact.• Explain the design and basic operation of the driver-side air bag.

Topic: Service and Repair• List the safety and operating controls that are common to modern steering columns.• Explain the design and location of the clock spring.• Explain the design and operation of the ignition lock mechanism and associated safety mechanisms.• Locate manufacturer’s service data for a specifi c steering column (ALLDATA).• Demonstrate the ability to index the steering wheel and clock spring prior to removal.• Demonstrate the ability to centre and remove the steering wheel using a steering wheel puller.• Demonstrate the ability to mark and identify control wires prior to disassembly.• Disassemble feed wires and reassemble the steering column.• Identify and analyse the operation of the tilt steering mechanism.• Demonstrate the ability to inspect and measure collapsible steering shafts and steering column tubes.• List steering conditions that would indicate problems with the steering shaft couplings.• Demonstrate an inspection of the steering shaft coupling.• Consult a service manual for specifi c data.

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Texts / Teacher ResourcesAlberta Module 090104hSteering Columnspp. 1-13


StudentsAchieve (SAS)AUT801D/Steering Columns

Topic: Design Features• Show CDX video on the principles of steering and complete the knowledge check and handout activity as a class.• Explain the safety features of the steering column.

Topic: Service and Repair• Demonstrate the proper procedure to follow when pulling a steering wheel.• Demonstrate how to centre a clock spring.• Demonstrate inspection of the collapsible components and steering shaft couplings.

Literacy• Anticipation Guide: Use as a pre-reading strategy for pp. 1-13.

• ALLDATA: Locate manufacturer’s specifi cations for steering column and steering wheels.• Component ID: Locate all steering components on a vehicle.• Safely pull a steering wheel.• Centre a clock spring.• Perform an inspection of a steering column assembly.

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28.3 safely disarm, remove, re-install, and re-arm a steering column air bag

Topic: Air Bags• List precautions necessary while working with air bags.• Locate manufacturer’s specifi cations for the procedure to disarm an air bag (ALLDATA).• List three common ways to disarm an air bag.• Demonstrate an understanding of the procedure to remove the air bag module.• Demonstrate an understanding of the procedures to handle an air bag module and a steering column containing the air bag.• Locate the manufacturer’ss specifi cations for re-installing and re-arming an air bag (ALLDATA).• Demonstrate an understanding of the specifi c procedure to install and re-arm an air bag.

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Texts / Teacher ResourcesAlberta Module 090104hSteering Columnspp. 14-16


StudentsAchieve (SAS)AUT801D/Steering Columns

Topic: Air Bags• Review safety precautions to follow when working with air bags.• Demonstrate how to safely disarm an air bag.• Demonstrate how to safely install and arm an air bag.

• ALLDATA: Review manufacture specifi cations related to air bags.• Safely disarm an air bag on a shop vehicle.• Safely install and arm an air bag on a shop vehicle.

Literacy• Free Write: Use as a pre-reading strategy. Write for 3 minutes about air bags.



Frames

(~3 hours Classroom Component)

Introduction The apprentice must be able to identify the various types of automotive frames and assess any possible damage that may affect the wheel alignment. In assessing any frame damage, the apprentice must be able to perform precise measurements to ensure proper alignment.

29. Students will be able to identify automotive frame damage.

Assessment

Strategies

Resources Alberta Module 090104a, FramesCDX GlobalStudentsAchieve (http://sas.edu.pe.ca)

Students will be expected to29.1 identify frame damage, using knowledge of frame construction and design features29.2 perform frame-checking procedures

Specifi c

Curriculum

Outcome

SCO - Delineations


28

SCO Delineations Student Knowledge, Abilities, and Competencies


Frames (~3 hours Classroom Component)SCO 29. Students will be able to identify automotive frame damage.



29.1 identify frame damage, using knowledge of frame construction and design features

29.2 perform frame checking procedures

Topic: Frame Construction• Explain the function of the frame.• Explain the term “crumple zone”.• Describe body-over-frame construction.• Describe ladder frame and perimeter frame applications.• Describe the design of unitized body system construction.• Explain the use of unibody applications.• List three advantages of unibody construction.• Describe the unibody and stub-frame design.• Describe the space frame design concept. • Demonstrate an understanding of the process for identifying frame damage.• Explain the condition of a skewed rear axle, and suggest appropriate actions.• Describe the following conditions and suggest appropriate actions: - set back - swayed - diamond frame - twist and sag

Topic: Inspection• Demonstrate an understanding of the procedure for performing a tracking check.• Explain the terms “centreline” and “datum lines”.• Obtain specifi c frame measuring charts for a specifi ed vehicle.• Demonstrate the ability to perform a frame measurement inspection.

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Frames (~3 hours Classroom Component)SCO 29. Students will be able to identify automotive frame damage.

Texts / Teacher ResourcesAlberta Module 090104aFramespp. 1-13

Software / DatabasesCDX Global“Body Designs”“Measuring a Wheel Base”

StudentsAchieve (SAS)AUT801D/Frames

Topic: Frame Construction• Explain the design features of frames.• Use visuals from the ILM to explain the difference between body- over-frame and unitized body systems.• Discuss common frame damage.

Topic: Inspection• Demonstrate proper frame inspection procedures.


• Collect photographs of cars with a variety of frames and different types of frame damage.• Inspect vehicles for frame damage.• Perform a frame diagnosis using a tracking bar.• Build a tracking bar from common shop supplies and equipment.• ALLDATA: Locate manufacturer’s specifi cations for frame measurements.

Automotive Technology - gov.pe.ca

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