AUTOMOTIVE SERVICING NC II Curriculum Guide – K to 12 Industrial Art Livelihood Track

April 7, 2022


Technology-Livelihood Education and Technical-Vocational Track specializations may be taken between Grades 9 to 12.
Schools may offer specializations from the four strands as long as the minimum number of hours for each specialization is met.



Duration: 320 Hours

This course is designed to enhance the knowledge, skills and attitudes of an individual in the field of Automotive Servicing in accordance with industry standards. It covers the remaining core competencies which are not included in Automotive Servicing (NC I) such as: servicing automotive battery, servicing ignition system, testing and repairing wiring/lighting system, servicing starting system, servicing charging system, servicing engine mechanical system, servicing clutch system, servicing clutch and differential and front axle, servicing steering system, servicing brake system, servicing suspension system, performing underchassis preventive maintenance and overhauling manual transmission.


1. Explain basic concepts in Automotive Servicing.
2. Discuss the relevance of the course.
3. Explore career opportunities in Automotive Servicing.


LO 1. Develop and strengthen personal competencies and skills (PECS) needed in Automotive Servicing.
1.1 Identify areas for improvement, development and growth.
1.2 Align one’s PECS according to his/her business/career choice.
1.3 Create a plan of action that ensures success of his/her business/career choice.


LO 1. Develop a product service in Automotive Servicing.
1.1 Identify what is of “Value” to the Customer.
1.2 Identify the customer.
1.3 Explain what makes a product unique and competitive.
1.4 Apply creativity and innovative techniques to develop marketable product.
1.5 Employ a Unique Selling Proposition (USP) to the product/service.

LO 2. Select a business idea based on the criteria and techniques set.
2.1 Enumerate various criteria and steps in selecting a business idea.
2.2 Apply the criteria/steps in selecting a viable business idea.
2.3 Determine a business idea based on the criteria/techniques set.

LO 3. Develop a brand for the product.
3.1 Identify the benefits of having a good brand.
3.2 Enumerate recognizable brands in the town/province.
3.3 Enumerate the criteria for developing a brand.
3.4 Generate a clear appealing brand.



LO 1. Explain the operation and safe handling of different types of batteries.
1.1 Identify main components of batteries.
1.2 Classify types of batteries.
1.3 Observe proper safe handling of batteries.
1.4 Identify hazards associated with batteries.
1.5 Identify proper and safe disposal of discarded battery materials like solutions and components

LO 2. Demonstrate the testing of an automotive battery.
2.1 Select appropriate test equipment.
2.2 Test different types of batteries.
2.3 Analyze test results.
2.4 Compare battery test result based on manufacturer’s specification.
2.5 Observe safety at all times while doing battery test.
2.6 Report findings of test results.

LO 3. Demonstrate the procedure in removing and replacing batteries.
3.1 Remove battery without causing damage to workplace, property or vehicle.
3.2 Follow the proper procedure in replacing battery.
3.3 Follow the proper procedure to prevent loss of vehicle’s electronic memory as per manufacturer’s standard.
3.4 Select appropriate tools and equipment.
3.5 Observe personal safety in removing and replacing batteries.
3.6 Use appropriate PPE.

LO 4. Demonstrate the procedures in servicing the battery.
4.1 Charge the battery using the appropriate battery charger.
4.2 Check electrolyte levels and fill up if necessary.
4.3 Clean battery terminals and its connectors.
4.4 Connect and disconnect battery clamps in sequence as indicated in the manual.
4.5 Observe personal safety in servicing the battery.

LO 5. Demonstrate the procedures in jump starting.
5.1 Jump starts the battery without causing damage to workplace and property.
5.2 Select appropriate jumper leads.
5.3 Connect and disconnect battery clamps in sequence as indicated in the manual.
5.4 Observe personal safety in jump starting.


LO 1. Explain the function of ignition system components.
1.1 Identify the types of ignition systems.
1.2 Explain the component parts of the ignition system.
1.3 Interpret ignition system diagram.
1.4 Explain the possible remedies for the identified ignition system troubles.

LO 2. Check ignition coil, ballast resistor and high-tension cable resistance.
2.1 Inspect and test ignition coil.
2.2 Inspect and test ballast resistor.
2.3 Check high tension cable resistance.
2.4 Test wiring installation.
2.5 Test and analyze ignition system electrical spark.

LO 3. Check distributor assembly.
3.1 Check dwell angle and RPM.
3.2 Check and adjust ignition timing as per service manual.
3.3 Evaluate ignition timing performance


LO 1. Explain the principle of auto electricity.
1.1 Explain Ohm’s law.
1.2 Explain the Law of magnetism.
1.3 Draw schematic diagram of an electrical circuit.
1.4 Interpret signs and symbols.
1.5 Identify size of wire according to job requirement.
1.6 Determine polarity, conductor and insulator.

LO 2. Explain Automotive Lighting System and its functions.
2.1 Identify components of the lighting system.
2.2 Explain functions of lighting system parts
2.3 Observe occupational health and safety practices.

LO 3. Install wiring/lighting system.
3.1 Interpret lighting system circuit diagram.
3.2 Install electrical devices such as switches, lights and fuse boxes.
3.3 Install wires leading to different lights and other relevant devices.
3.4 Solder and crimp lead terminals of wires.

LO 4. Test electrical system and determine preferred action.
4.1 Test electrical system without causing damage to workplace or vehicle.
4.2 Perform correct procedure for testing and interpreting schematic diagram in accordance with the manufacturer’s specification.
4.3 Determine faults/defects using appropriate tools and techniques.
4.4 Execute remedies based on the identified faults/defects.

LO 5. Carry out necessary repair in the electrical system.
5.1 Identify procedure in repairing electrical system.
5.2 Interpret information based on assessment.
5.3 Use appropriate tools, technique and materials in repairing electrical system.
5.4 Repair electrical system without causing damage to workplace, property or vehicle.


LO 1. Test starting system components and identify faults.
1.1 Identify the components of the starting system.
1.2 Identify starting system faults and its remedies.
1.3 Test starting system in accordance with the industry standard procedures.
1.4 Connect starting system circuitry based on the industry standards.

LO 2. Disassemble starter.
2.1 Identify starter motor parts.
2.2 Explain starter motor function and operation.
2.3 Disassemble starter motor according to service manual.
2.4 Test/Check starter motor parts.
2.5 Identify defective parts of a starter motor.

LO3. Repair/replace and assemble starter components/parts.
3.1 Repair or replace defective parts of starter motor in accordance with the manufacturer’s manual.
3.2 Assemble starter motor in accordance with manufacturer’s standard.
3.3 Perform bench testing.


LO 1. Test charging system component and identify faults.
1.1 Identify charging system components.
1.2 Identify charging system faults.
1.3 Determine possible remedies for the charging system faults.
1.4 Carry out testing procedures based on standard industry procedures.
1.5 Identify defective voltage regulator.
1.6 Perform load and no load test in a vehicle.

LO 2. Disassemble alternator.
2.1 Explain the function and parts of an alternator.
2.2 Disassemble alternator based on the procedures stated in the service manual.
2.3 Test alternator parts to determine faults.
2.4 Identify defective parts of alternator

LO 3. Repair/replace and assemble alternator components/parts.
3.1 Repair defective parts in accordance to service manual.
3.2 Replace defective parts in accordance to service manual.
3.3 Assemble alternator following the manufacturer’s specifications.
3.4 Perform alternator bench testing to check functionality.


LO 1. Explain coolant circulation within cooling system.
1.1 Explain the purpose of cooling system.
1.2 Determine the type of cooling system in the vehicle.
1.3 Identify parts of the cooling system.
1.4 Explain the function of the parts of the cooling system.
1.5 Explain coolant circulation.

LO 2. Check thermostat condition.
2.1 Check/determine thermostat condition in accordance with the manufacturer’s specifications.
2.2 Determine the location of the thermostat.
2.3 Check thermostat condition in accordance with industry procedures (delete above).
2.4 Record and report inspection result.
2.5 Remove and replace thermostat.

LO3. Perform leakage test on cooling system.
3.1 Obtain technical data pertaining to engine cooling system in conformity with service manual.
3.2 Perform leak test in accordance with industry procedures.
3.3 Record test results and determine preferred actions.
3.4 Pre-heat coolant in accordance with the specifications in the service manual.

LO 4. Repair/replace water pump.
4.1 Obtain technical data of engine water pump using the service manual.
4.2 Inspect water pump and faults are determined.
4.3 Determine replacement parts of water pump.
4.4 Dismantle water pump in accordance with the service manual.
4.5 Replace water pump and its parts in accordance with manufacturer’s specifications.
4.6 Install water pump and its parts in accordance with manufacturer’s specifications

LO 5. Apply Coolant Additives.
5.1 Obtain technical specifications of coolant additives.
5.2 Select coolant additives in accordance with manufacturer’s specifications.
5.3 Apply coolant additives in accordance with manufacturer’s specifications.


LO1. Explain the oil cycle within the engine.
1.1 Identify component parts of the lubricating system.
1.2 Explain the function of each part of the lubricating system.
1.3 Discuss the lubricating system cycle.

LO2. Identify types, classifications and applications of engine oil.
2.1 Identify the different types and classifications of engine oil.
2.2 Explain the correct application and uses of engine oil.

LO3.Overhaul oil pump, replace oil filter and change oil.
3.1 Follow proper procedures in overhauling oil pump, replacing oil filter and changing oil.
3.2 Observe personal safety while performing the tasks.


LO1.Explain fuel octane rating.
1.1 Use the correct fuel octane rating in accordance with the manufacturer’s specifications.
1.2 Interpret data from American Petroleum Institute (API).
1.3 Apply safety measures in dealing with fuel.

LO2. Identify fuel pump types and classification.
2.1 Identify fuel pumps according to usage.
2.2 Obtain fuel pump classifications according to manufacturer’s specifications.
2.3 Service fuel pump according to manufacturer’s specifications.

LO3. Perform carburetor adjustment.
3.1 Obtain carburetor adjustment in accordance with the repair manual.
3.2 Perform carburetor adjustments according to industry operating procedures.

LO 4. Overhaul carburetor.
4.1 Interpret data from manufacturer’s specifications.
4.2 Use tools and equipment in accordance with the industry standard.
4.3 Overhaul carburetor in accordance with the required procedures.


LO 1. Check turbocharger operation.
1.1 Explain turbocharger operation.
1.2 Observe correct procedures in checking turbochargers.
1.3 Observe turbocharger operation in accordance with service manual.
1.4 Check oil leakage and clogging.

LO 2. Overhaul turbo charger.
2.1 Explain the functions and uses of turbocharger and components.
2.2 Identify the component parts.
2.3 (Explain function and uses of turbocharger components) delete above.
2.4 Observe safe handling procedures of turbocharger.
2.5 Overhaul turbocharger based on industry standard operating procedures.


LO 1. Overhaul diesel fuel injector.
1.1 Identify component parts of diesel fuel injector.
1.2 Explain the function and uses of diesel fuel injector.
1.3 Observe safe handling of diesel fuel injector.
1.4 Determine diesel fuel injector standard specifications.
1.5 Dismantling fuel injector based on service manual.

LO 2. Calibrate and install diesel fuel injector.
2.1 Explain the calibration and installation process.
2.2 Observe testing sequence in accordance with the service manual.
2.3 Interpret test results according to repair manual.


LO 1. Diagnose clutch failure/problem.
1.1 Check for clutch operation (transmission should engage and disengage smoothly).
1.2 Complete work using specified tools and equipment in accordance with the company standard operating procedures and manual of specifications.
1.3 Determine clutch problem following the service manual.

LO 2. Pull out and mount clutch component parts.
2.1 Dismount clutch component parts following the repair manual.
2.2 Tighten bolts in correct torque and tightening sequence.
2.3 Safety precautions in performing the task.

LO3. Dismantle/install clutch mechanism.
3.1 Mark similar parts accurately.
3.2 Replace defective parts based on repair manual (pressure plate, friction disc, release bearing and pilot bearing).
3.3 Follow installation procedures based on manufacturer’s specification.
3.4 Safety precautions in performing the task.

LO 4. Overhaul hydraulic clutch mechanism.
4.1 Replace worn-out rubber cups and piston based on prescribed procedures.
4.2 Check master cylinder.
4.3 Check (valves) pistons for damage.
4.4 Replace hydraulic valve mechanism based on repair manual.
4.5 Test master cylinder and slave cylinder.

LO 5. Perform clutch parts failure analysis.
5.1 Identify failure accurately.
5.2 Recommend corresponding repair.
5.3 Analyze clutch parts based on service manual.

LO 6. Set/adjust clutch system component.
6.1 Set clutch pedal free play based on manufacturer’s specifications.
6.2 Adjust clutch finger height (coil spring type).
6.3 Use special service tools based on manufacturer’s manual.

LO 7. Bleed clutch hydraulic system.
7.1 Perform fluid leakage, fluid level and air lock, based on manufacturer’s manual.
7.2 Perform bleeding procedures based on manufacturer’s specification.
7.3 Safety precautions in performing the task.


LO 1. Diagnose manual transmission failure.
1.1 Test manual transmission failures such as humming noise, shifting conditions, gear oil contamination, and gear oil leaks.

LO 2. Pull-out and mount manual transmission.
2.1 Drain transmission gear oil.
2.2 Position transmission to the transmission jack.
2.3 Loosen bolts and nuts as per torque, sequence and pattern.
2.4 Mount manual transmission.

LO3. Disassemble/assemble manual transmission.
3.1 Disassemble transmission parts.
3.2 Label transmission parts.
3.3 Rinse transmission parts with appropriate solution.
3.4 Clean component parts.
3.5 Lubricate with new parts with gear oil.
3.6 Replace damaged parts.
3.7 Assemble transmission as per standard operating procedures.

LO4. Inspect manual transmission parts.
4.1 Inspect worn-out, cracked parts.
4.2 Measure gear backlash and end play.
4.3 Recommend possible remedies for the defective parts.
4.4 Test transmission parts using testing instruments.
4.5 Inspect transmission parts without causing damage.

LO 5. Test manual transmission.
5.1 Check transmission oil after installation.
5.2 Mount manual transmission.
5.3 Install transmission linkages and attachments.
5.4 Conduct transmission testing

LO 6. Road-test manual transmission.
6.1 Evaluate transmission performance with emphasis on shifting pattern, noise and operation.


LO1. Inspect drive shaft and joint.
1.2 Inspect drive shaft for worn out cross joints, slip joint and propeller shaft.

LO2. Dismount and mount differential assembly.
2.1 Dismount differential assembly.
2.2 Apply penetrating oil on hold down clamp.
2.3 Mount differential assembly.

LO3. Overhaul differential.
3.1 Dismantle differential parts.
3.2 Identify defective parts.
3.3 Recommend corresponding repair for defective parts.
3.4 Clean and lubricate differential parts.
3.5 Replace damage differential parts.
3.6 Adjust differential based on the service manual.
3.7 Assemble differential

LO4. Overhaul rear/front wheel hub.
4.1 Identify defective parts as per service manual.
4.2 Recommend repair works.
4.3 Replace wheel bearing.
4.4 Adjust wheel bearing pre-load based on service manual.

LO5. Analyze king pin condition.
5.1 Identify king pin failures according to repair manual.
5.2 Recommend corrective actions.
5.3 Select replacement parts.
5.4 Replace damage king pin parts as per service instructions.

LO6. Inspect/replace I-beam.
6.1 Identify I-beam failure.
6.2 Recommend corresponding repair works.
6.3 Correct misalignment of I-beam based on industry standards.


LO 1. Analyze front end geometry failure.
1.1 Perform visual inspection on tire wear and steering system.
1.2 Set-up wheel alignment equipment.
1.3 Adjust camber, caster and toe angles.

LO 2. Service steering system.
2.1 Pull out steering system components.
2.2 Disassemble steering system .components.
2.3 Identify steering system defects such as to deformation, cracks, tube leaks, and loose parts.
2.4 Replace damaged parts based on service manual.
2.5 Assemble steering system.

LO 3. Perform wheel balancing.
3.1 Set-up wheel balancing machine.
3.2 Identify wheel weight location and size.

LO 4. Conduct wheel alignment.
4.1 Check condition of steering system components.
4.2 Install wheel alignment equipment based on manufacturer’s manual.
4.3 Interpret equipment reading accurately based on manufacturer’s specifications.
4.4 Adjustment required is done based on manufacturer’s specifications.
4.5 Adjustment of wheel alignment is based on the results of the reading registered on the equipment.


LO 1. Perform brake system preventive maintenance.
1.1 Adjust brake clearance to specification (drum).
1.2 Change hydraulic brake fluid without spillage.
1.3 Fill assembly at specified level.
1.4 Perform bleeding of hydraulic system according to the required steps and procedure.
1.5 Conduct brake pedal pre-play and height as per specification.
1.6 Adjust emergency brake.
1.7 Safety procedures in performing brake system tasks.

LO2. Diagnose brake system failure.
2.1 Check brake system linkages.
2.2 Check brake lines for bends and leaks.
2.3 Check master cylinder according to required steps and procedures.
2.4 Check power booster according to required steps and procedures.
2.5 Check wheel cylinder/ caliper accurately.
2.6 Observe personal safety procedure throughout the activity.


LO 1. Identify the types of hydraulic brake
(hydraulic abs) and its corresponding component and function.
1.1 Explain functions of brakes system.
1.2 Identify components of brake system.
1.3 Explain operating principles of hydraulic brake system
1.4 Classify types of braking system

LO 2. Explain the operating principle of abs equipped brake.
2.1 Explain operating principles of BOSCH ABS.
2.2 Explain operating principles of TEVE ABS.
2.3 Explain how to check ECU Illustrate how to check sensors and actuator.

LO3. Interpret schematic diagram and circuitry.
3.1 Interpret Japan ABS schematic diagram.
3.2 Interpret European ABS schematic diagram.
3.3 Interpret American ABS circuit diagram.

LO 4. Perform ABS component testing.
3.1 Check ABS voltage based on specifications.
3.2 Check fluid pressure.
3.3 Check amperage draw according to manufacturer’s specifications.
3.4 Test/check wiring circuit.
3.5 Use appropriate tools and equipment.
3.6 Observe personal, vehicle and workshop safety procedures while working.


LO 1. Pull-out/mount brake system components.
1.1 Pull out brake system components as per service manual.
1.2 Mount brake system components according to repair manual.
1.3 Label brake system components for mastery.

LO2. Disassemble/assemble brake system components.
2.1 Disassemble brake system components.
2.2 Label brake system components.
2.3 Rinse brake system parts with specified cleaning solutions.
2.4 Identify damaged parts according to service manual.
2.5 Replace damaged parts as per repair manual.
2.6 Test brake system components.

LO 3. Conduct road test.
3.1 Perform pre-testing check-up prior to vehicle operation.
3.2 Observe brake trouble while vehicle is driven at specified speed.
3.3 Record and interpret findings.
3.4 Recommend remedies on discovered findings.


LO1. Diagnose suspension system failure.
1.1 Explain principles and operation of conventional and air suspension system.
1.2 Identify the parts of conventional and air suspension system.
1.3 Identify causes of failures in the suspension system.
1.4 Recommend repair works on the identified failures.

LO2. Dismount/mount suspension component parts.
2.1 Dismount and mount suspension components as per service manual.
2.2 Label dismounted parts.
2.3 Safety precautions in dismounting/mounting suspension system components

LO3. Disassemble/assemble suspension parts.
3.1 Disassemble /assemble suspension parts based on repair manual.
3.2 Rinse disassembled parts with cleaning solution.
3.3 Apply safety precautions when performing the task.

LO4. Inspect/replace suspension component parts.
4.1 Check suspension system for cracks, loose nuts, bolts, bushing and leaks as to service manual.
4.2 Identify damaged parts.
4.3 Replace damaged parts based on repair manual.


LO 1. Check clutch and brake fluid and lines.
1.1 Check clutch/brake fluid level and lines for leakage.
1.2 Check clutch/brake lines for cracks, twists, bends, looseness and restrictions.
1.3 Refill clutch/brake master cylinder with brake fluid to the specified level.
1.4 Replace defective clutch/brake system components in accordance with manufacturer’s specification.

LO 1.2 Inspect/bleed brake and clutch system.

LO 2. Inspect and change transmission/differential gear oil.
2.1 Check transmission /differential for leakage.
2.2 Check transmission /differential gear oil level.
2.3 Change transmission /differential gear oil in accordance with manufacturer’s specification.
2.4 Refill transmission/differential gear oil to specified level

LO 3. Inspect/replace power steering fluid.
3.1 Read technical data pertaining to power steering.
3.2 Check power steering fluid level.
3.3 Inspect power steering for leakage.
3.4 Replace power steering fluid in accordance with manufacturer’s specification.

LO 4. Check/refill automatic transmission fluid.
4.1 Check automatic transmission for leakage.
4.2 Check automatic transmission fluid following instructions in service manual.
4.3 Refill transmission fluid to specified level.

LO 5. Check tire and tire pressure.
5.1 Inspect tires for stuck solid objects.
5.2 Inspect tires for wear and deformities.
5.3 Determine causes of abnormal tire wear.
5.4 Check tire pressure in accordance with manufacturer’s specifications.

Source: K to 12 Industrial Arts – Automotive Servicing (NC II) Curriculum Guide 

Share this article

Leave a Reply

Your email address will not be published.