Standard

 

R State Standard         £ Institutionally Developed          College: NA

 

ACR 1040 - Mechanical and Electrical Systems

Course Description

Introduces various mechanical and electrical systems requiring repair of damages incurred through automobile collisions. Topics include: engine accessory systems, emission control systems, air conditioning systems, braking systems, steering column damage, engine removal and replacement sequence, lighting systems, engine wiring, power accessories systems, and restraint systems.

 

Competency Areas

Hours

Engine Accessory Systems

Class

1

Emission Control Systems

D. Lab

0

Air Conditioning Systems

P. Lab/O.B.I.

3

Braking Systems

Credit

2

Steering Column Damage

 

 

Engine Removal and Replacement Sequence

 

 

Lighting Systems

 

 

Engine Wiring

 

 

Power Accessories Systems

 

 

 

 

Restraint Systems

 

 

 

Prerequisite:

Program admission

Corequisite:

ACR 1000, ACR 1010, and ACR 1020

 

Course Guide

 

Competency

After completing this section, the student will be able to:

Hours

Class

D. Lab

P. Lab/

O.B.I.

ENGINE ACCESSORY SYSTEMS

1

0

3

Tools and equipment

Handle and care for tools and small equipment safely and correctly.

 

 

 

Safety

Demonstrate shop safety.

 

 

 

Estimating

Determine repair costs using estimating, flat rate, collision, parts and manufacturers' manual.

 

 

 

Inspection, removal, and replacement

Raise a car on a hydraulic lift-- use proper shop manual.

 

 

 

 

Inspect, remove and replace alternator.

 

 

 

 

Inspect, remove and replace fan.

 

 

 

 

Inspect, remove and replace fan clutch.

 

 

 

 

Inspect, remove and replace water pump.

 

 

 

 

Inspect, remove and replace pulley fan belt.

 

 

 

 

Inspect, remove and replace fan belt.

 

 

 

 

Inspect, remove and replace radiator and hose.

 

 

 

 

Inspect, remove and replace starter.

 

 

 

 

Inspect, remove and replace battery.

 

 

 

EMISSION CONTROL SYSTEMS

1

0

2

Inspection and testing

Select proper shop manual.

 

 

 

Removal and replacement

Select appropriate tools.

 

 

 

 

Test, remove and replace charcoal canister and filter.

 

 

 

 

Test, remove and replace PCV valve.

 

 

 

 

Test, remove and replace EGR valve.

 

 

 

 

Inspect, remove and replace catalytic converter.

 

 

 

 

Test, remove and replace air pump.

 

 

 

 

Inspect, remove and replace air filter.

 

 

 

 

Inspect, remove and replace fuel tank.

 

 

 

 

Inspect, remove and replace mufflers and resonators.

 

 

 

AIR CONDITIONING SYSTEMS

1

0

3

Safety

Practice safety precautions for eye care and handling refrigerants.

 

 

 

Tools

Select tools and proper shop manual.

 

 

 

Inspection, removal, and replacement

Inspect, remove and replace condenser.

 

 

 

 

Inspect, remove and replace expansion valve.

 

 

 

 

Inspect, remove and replace evaporator.

 

 

 

 

Inspect, remove and replace compressor.

 

 

 

 

Inspect, remove and replace receiver-drier.

 

 

 

Test and evaluation

Evaluate and charge according to manufacturer's specifications.

 

 

 

 

Leak test air conditioning with an electronic detector.

 

 

 

BRAKING SYSTEMS

1

0

2

Safety

Safely operate floor jack or hydraulic hoist.

 

 

 

Tools

Practice safety precautions.

 

 

 

Inspection, removal, and replacement

Select tools and proper shop manual.

 

 

 

 

Inspect, remove and replace brake rotor.

 

 

 

 

Inspect, remove and replace drum brakes and shoes.

 

 

 

 

Inspect, remove and replace disc brake pads.

 

 

 

 

Inspect, remove and replace hoses and lines.

 

 

 

 

Inspect, remove and replace master cylinder.

 

 

 

 

Inspect, remove and replace wheel cylinder.

 

 

 

 

Inspect, remove and replace brake boosters (manual and power).

 

 

 

Bleeding brakes

Bleed brake system.

 

 

 

 

Replace brake fluid.

 

 

 

STEERING COLUMN DAMAGE

1

0

3

Types

Identify types of steering columns.

 

 

 

Inspection, removal, and replacement

Remove and replace steering wheel.

 

 

 

 

Remove and replace horn button.

 

 

 

 

Remove and replace cruise control.

 

 

 

 

Remove and replace tilt and telescope column.

 

 

 

 

Remove and replace windshield wipers.

 

 

 

 

Remove and replace collapsing mesh and canister steering column.

 

 

 

 

Remove and replace signal light switch.

 

 

 

ENGINE REMOVAL AND REPLACEMENT SEQUENCE

1

0

5

Tools and manuals

Select proper shop manual and tools.

 

 

 

Safety

Safely operate a floor jack and hydraulic lift.

 

 

 

Inspection, removal, and replacement

Inspect engine for cracks visually.

 

 

 

 

Remove and replace engine.

 

 

 

LIGHTING SYSTEMS

1

0

3

Schematic and codes

Explain wire sizing, color coding schematics and protective devices.

 

 

 

 

Trace the headlight circuit on a vehicle.

 

 

 

 

Select the proper wiring diagram from the shop manual.

 

 

 

Inspection, removal, and replacement

Disassemble headlight.

 

 

 

 

Remove and replace headlights.

 

 

 

 

Remove and replace park lights.

 

 

 

 

Remove and replace brake lights.

 

 

 

 

Repair wiring assembly and plug.

 

 

 

 

Replace license plate light.

 

 

 

 

Test bulbs and locate fuse panel.

 

 

 

 

Remove and replace dome, courtesy and dash light bulbs and hazard flashers.

 

 

 

 

Remove and replace corner lights.

 

 

 

 

Remove and replace side marker lights.

 

 

 

Testing

Test lighting.

 

 

 

 

Remove and replace tail and signal lights.

 

 

 

ENGINE WIRING          

1

0

3

Safety

Demonstrate engine electrical safety precautions.

 

 

 

Procedures

Disconnect and connect starter motor.

 

 

 

 

Disconnect and connect battery.

 

 

 

 

Remove and replace wire connectors.

 

 

 

 

Disconnect and connect distributor.

 

 

 

 

Disconnect and connect alternator.

 

 

 

 

Disconnect and connect ignition coil(s).

 

 

 

 

Disconnect and connect oil pressure switch.

 

 

 

 

Disconnect and connect water temperature sending unit.

 

 

 

 

Disconnect and connect fuel cut-off valve solenoid.

 

 

 

POWER ACCESSORIES SYSTEMS

1

0

3

 

Inspect and test power accessory systems and determine necessary action.

 

 

 

RESTRAINT SYSTEMS

1

0

3

 

Demonstrate safety procedures when working with restraint systems.

 

 

 

 

Determine what components should be replaced and take necessary action.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Suggested Resources

 

Media
Print
Audio/Visual
Web
Other

    

Print

Duffy, James E. Auto body repair technology (5th Ed.). (2009). New York: Delmar – Cengage.

Duffy, James E. Auto body repair technology (4th Ed.). (2004). New York: Delmar Learning.

A/V

Anti-lock brakes and traction control systems: ABR01 [CD-ROM]. (2000). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor].

Air conditioning: AIR01 [CD-ROM]. (2000). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor].

Electric and hybrid vehicles: ALT01 [CD-ROM]. (2007). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor].

Brakes: BRA01 [CD-ROM]. (2002). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor].

Vehicle identification, estimating systems, and terminology: DAM01 [CD-ROM]. (2002). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor].

Drive trains and engine mounts: DRT01 [CD-ROM]. (2001). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor].

Electrical circuits and dvom usage: ELE01 [CD-ROM]. (1999). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor].

Diagnosing, testing, and repair of common electrical loads: ELE02 [CD-ROM]. (2001). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor].

Fault code retrieval, diagnosis, and testing electrical systems: ELE03 [CD-ROM]. (2002). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor].

Fuel and exhaust systems: FUE01 [CD-ROM]. (2003). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor].

Heating and cooling systems: HEA01 [CD-ROM]. (2000). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor].

Lighting, starting and charging systems: LSC01 [CD-ROM]. (2003). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor].

Power accessories: PWR01 [CD-ROM]. (2002). Illinois: Inter-Industry Conference on Auto Collision Repair [Producer and Distributor].

 

 

Posted: 08/19/09