Focus Area Level Report Including Knowledge and Skills, and Performance Indicators

Transcription

1 Including Knowledge and Skills, and AHTA10.03 Perform Lube, Oil, and Filter (LOF) and preventive maintenance needed for entry-level employment of the automobile service and repair field. AHTA Check and replace wiper blades. AHTA Inspect, replace, and adjust drive pulleys; check pulley and belt alignment. AHTA Inspect and replace air filter. AHTA Check and adjust engine oil, coolant, power steering fluid, brake fluid, windshield washer fluid, differential/transfer case fluid, and transmission fluid levels. AHTA Determine fluid type requirements and identify fluid. AHTA10.04 Perform skills and determine necessary actions needed in the automatic transmission area of automotive service and repair. AHTA Service transmission; perform visual inspection of transmission; replace fluids and filters. AHTA Diagnose fluid leakage concerns. AHTA Identify and interpret transmission-transaxle concern; assure proper engine operation. AHTA Perform pressure and stall tests. AHTA Perform lock-up converter system tests. AHTA Diagnose mechanical and vacuum control system concerns. AHTA Diagnose noise and vibration concerns. AHTA Diagnose transmission/transaxle gear reduction/multiplication concerns using driving, driven, and held member (power flow) principles. AHTA Diagnose pressure concerns in a transmission using hydraulic principles (Pascal's Law). AHTA Diagnose electrical/electronic concerns using principles of electricity (Ohm's Law). AHTA Inspect, adjust or replace throttle valve (TV) linkages or cables; manual shift linkages or cables; transmission range sensor; check gear select indicator (as applicable). AHTA Inspect, adjust or replace (as applicable) vacuum modulator; inspect and repair or replace lines and hoses. AHTA Inspect extension housing, bushings and seals. Inspect and replace speedometer drive gear, driven gear, vehicle speed sensor (VSS), and retainers. AHTA Diagnose electronic transmission control systems using a scan tool. AHTA Inspect and replace external seals and gaskets. AHTA Remove and reinstall transmission and torque converter (rear-wheel drive). AHTA Remove and reinstall transaxle and torque converter assembly. AHTA Air test operation of clutch and servo assemblies. AHTA Inspect, repair, and replace governor assembly. AHTA10.05 Perform skills and determine necessary actions needed in the manual drive train and axles area of automotive service and repair. Page 1 of 13

2 Including Knowledge and Skills, and AHTA Diagnose fluid usage, level, and condition concerns. AHTA Drain and fill transmission/transaxle and final drive unit. AHTA Inspect clutch pedal linkage, cables, automatic adjuster mechanisms, brackets, bushings, pivots, and springs. AHTA Inspect hydraulic clutch slave and master cylinders, lines, and hoses. AHTA Bleed clutch hydraulic system. AHTA Diagnose fluid leakage concerns. AHTA Inspect and replace drive axle shaft wheel studs. AHTA Inspect constant-velocity (CV) joint boots. AHTA Remove and replace rear-wheel-drive drive shaft. AHTA Identify and interpret drive train concern. AHTA Diagnose clutch noise, binding, slippage, pulsation, and chatter. AHTA Inspect release (throw-out) bearing, lever, and pivot. AHTA Inspect engine block, clutch (bell) housing, transmission/transaxle case mating surfaces, and alignment dowels. AHTA Remove and reinstall transmission/transaxle. AHTA Disassemble, clean, and reassemble transmission/transaxle components. AHTA Inspect transmission/transaxle case, extension housing, case mating surfaces, bores, bushings, and vents. AHTA Diagnose noise, hard shifting, jumping out of gear, and fluid leakage concerns. AHTA Diagnose transaxle final drive assembly noise and vibration concerns. AHTA Inspect, test, and replace transmission/transaxle sensors and switches. AHTA Diagnose constant-velocity (CV) joint noise and vibration concerns. AHTA Diagnose universal joint noise and vibration concerns. AHTA Remove and replace front wheel drive (FWD) front wheel bearing. AHTA Inspect, service, and replace shafts, yokes, boots, and CV joints. AHTA Inspect, service, and replace shaft center support bearings. AHTA Check shaft balance and phasing; measure shaft runout; measure and adjust driveline angles. AHTA Diagnose noise and vibration concerns. AHTA Inspect and replace companion flange and pinion seal; measure companion flange runout. AHTA Inspect ring gear and measure runout. AHTA Remove, inspect, and reinstall drive pinion and ring gear, spacers, sleeves, and bearings. AHTA Measure and adjust drive pinion depth. AHTA Measure and adjust drive pinion bearing preload. AHTA Measure and adjust side bearing preload and ring and pinion gear total backlash and backlash variation on a differential carrier assembly (threaded cup or shim types). AHTA Check ring and pinion tooth contact patterns. AHTA Disassemble, inspect, measure, and adjust or replace differential pinion gears (spiders), shaft, side gears, side bearings, thrust washers, and case. AHTA Reassemble and reinstall differential case assembly; measure runout. AHTA Diagnose noise, slippage, and chatter concerns. AHTA Clean and inspect differential housing; refill with correct lubricant. Page 2 of 13

3 Including Knowledge and Skills, and AHTA Inspect and reinstall clutch (cone or plate) components. AHTA Measure rotating torque. AHTA Diagnose drive axle shafts, bearings, and seals for noise, vibration, and fluid leakage concerns. AHTA Remove and replace drive axle shafts. AHTA Inspect and replace drive axle shaft seals, bearings, and retainers. AHTA Measure drive axle flange runout and shaft endplay. AHTA Diagnose noise, vibration, and unusual steering concerns. AHTA Inspect, adjust, and repair shifting controls (mechanical, electrical, and vacuum), bushings, mounts, levers, and brackets. AHTA Remove and reinstall transfer case. AHTA Inspect front-wheel bearings and locking hubs. AHTA Check drive assembly seals and vents; check lube level. AHTA Diagnose, test, adjust, and replace electrical/electronic components of four- wheel drive systems. AHTA10.06 Perform skills and determine necessary actions needed in the suspension and steering area of automotive service and repair. AHTA Identify and interpret suspension and steering concern. AHTA Inspect power steering fluid levels and condition, power steering fluid leakage; determine necessary flush, fill, and bleed power steering system. AHTA Lubricate suspension and steering systems. AHTA Inspect, remove, and replace shock absorbers. AHTA Remove, inspect, and install stabilizer bar bushings, brackets, and links. AHTA Remove, inspect, and install strut cartridge or assembly, coil spring, insulators (silencers), and upper strut bearing mount. AHTA Perform pre-alignment inspection including measuring ride height. AHTA Inspect tires; check and adjust air pressure. AHTA Diagnose tire wear patterns, rotate tires according to manufacturer s recommendations. AHTA Diagnose wheel/tire vibration, shimmy, and noise, balance wheel and tire assembly (static dynamic). AHTA Dismount, inspect, repair tire using internal patch, and remount tire on wheel. AHTA Reinstall wheel; torque lug nuts. AHTA Disable and enable supplemental restraint system (SRS). AHTA Remove and replace steering wheel; center supplemental restraint system (SRS) coil (clock spring). AHTA Diagnose steering column noises, looseness, and binding concerns (including tilt mechanisms). AHTA Diagnose power steering gear (non-rack and pinion) binding, uneven turning effort, looseness, hard steering, noise, and fluid leakage concerns. AHTA Diagnose power steering gear (rack and pinion) binding, uneven turning effort, looseness, hard steering, noise, and fluid leakage concerns. AHTA Inspect steering shaft universal-joint(s), flexible coupling(s), collapsible column, lock cylinder mechanism, and steering wheel. Page 3 of 13

4 Including Knowledge and Skills, and AHTA Adjust manual or power non-rack and pinion worm bearing preload and sector lash. AHTA Remove and replace manual or power rack and pinion steering gear; inspect mounting bushings and brackets. AHTA Inspect and replace manual or power rack and pinion steering gear inner tie rod ends (sockets) and bellows boots. AHTA Diagnose power steering fluid leakage. AHTA Remove, inspect, replace, and adjust power steering pump, pulley, and belt. AHTA Inspect and replace power steering hoses and fittings. AHTA Inspect and replace pitman arm, relay (center link) rod, idler arm and mountings, and steering linkage damper. AHTA Inspect, replace, and adjust tie rod ends (sockets), tie rod sleeves, and clamps. AHTA Test and diagnose components of electronically controlled steering systems using a scan tool. AHTA Inspect and test non-hydraulic electric power assist steering. AHTA Diagnose short and long arm suspension system noises, body sway, and uneven riding height concerns. AHTA Diagnose strut suspension system noises, body sway, and uneven riding height concerns. AHTA Remove, inspect, and install upper and lower control arms, bushings, shafts, and rebound bumpers. AHTA Remove, inspect and install strut rods (compression/tension) and bushings. AHTA Remove, inspect, and install upper and/or lower ball joints. AHTA Remove, inspect, and install steering knuckle assemblies. AHTA Remove, inspect, and install short and long arm suspension system coil springs and spring insulators. AHTA Remove, inspect, install, and adjust suspension system torsion bars; inspect mounts. AHTA Remove, inspect, and install stabilizer bar bushings, brackets, and links. AHTA Lubricate suspension and steering systems. AHTA Remove, inspect, and install coil springs and spring insulators. AHTA Remove, inspect, and install transverse links, control arms, bushings, and mounts. AHTA Remove, inspect, and install leaf springs, leaf spring insulators (silencers), shackles, brackets, bushings, and mounts. AHTA Remove, inspect, and service or replace front and rear wheel bearings. AHTA Test and diagnose components of electronically controlled suspension systems using a scan tool. AHTA Diagnose vehicle wander, drift, pull, hard steering, bump steer, memory steer, torque steer, and steering return concerns. AHTA Check and adjust front and rear wheel camber. AHTA Check and adjust caster. AHTA Check and adjust front wheel toe and center steering wheel. AHTA Check toe-out-on-turns (turning radius). AHTA Check SAI (steering axis inclination) and included angle. AHTA Check and adjust rear wheel toe. AHTA Check rear wheel thrust angle. Page 4 of 13

5 Including Knowledge and Skills, and AHTA Check for front wheel setback. AHTA Check front cradle (sub frame) alignment. AHTA Measure wheel, tire, and hub runout. AHTA Diagnose tire pull (lead) problem. AHTA Dismount, inspect, and remount tire on wheel equipped with tire pressure sensor. AHTA Inspect, diagnose, and calibrate tire pressure monitoring system. AHTA10.07 Perform skills and determine necessary actions needed in the brakes area of automotive service and repair. AHTA Inspect brake lines, flexible hoses, and fittings for leaks, dents, kinks, rust, cracks, bulging or wear; tighten loose fittings and supports. AHTA Identify and inspect antilock brake system (ABS) components. AHTA Remove, clean, inspect, measure, resurface drums, and replace pads and parts on drum brakes as necessary. AHTA Remove, clean, inspect, measure, resurface rotors, and replace pads and parts on disc brakes as necessary. AHTA Diagnose wheel bearing noises, wheel shimmy, and vibration concerns. AHTA Inspect the vacuum-type power booster unit for vacuum leaks; inspect the check valve for proper operation; check vacuum supply (manifold or auxiliary pump) to vacuum-type power booster. AHTA Check parking brake operation, components for wear, rusting, binding, and corrosion, and the operation of parking brake indicator light system. AHTA Check operations of brake stop-light system. AHTA Select, handle, store, flush, bleed, and fill brake fluids to proper level. AHTA Diagnose pressure concerns in the brake system using hydraulic principles (Pascal's Law). AHTA Measure brake pedal height. AHTA Check master cylinder for internal and external leaks and proper operation. AHTA Remove, bench bleed, and reinstall master cylinder. AHTA Diagnose poor stopping, pulling or dragging concerns caused by malfunctions in the hydraulic system. AHTA Fabricate and/or install brake lines (double flare and IS0 types); replace hoses, fittings, and supports as needed. AHTA Inspect, test, and/or replace metering (hold-off), proportioning (balance), pressure differential, and combination valves. AHTA Inspect, test, and adjust height (load) sensing proportioning valve. AHTA Inspect, test, and/or replace components of brake warning light system. AHTA Diagnose poor stopping, noise, vibration, pulling, grabbing, dragging or pedal pulsation concerns. AHTA Remove, inspect, and install wheel cylinders. AHTA Pre-adjust brake shoes and parking brake before installing brake drums or drum/hub assemblies and wheel bearings. AHTA Install wheel, torque lug nuts, and make final checks and adjustments. AHTA Remove caliper assembly from mountings; clean and inspect for leaks and damage to caliper housing. Page 5 of 13

6 Including Knowledge and Skills, and AHTA Clean, inspect, and measure rotor with a dial indicator and a micrometer; follow manufacturer's repair procedures. AHTA Adjust calipers equipped with an integrated parking brake system. AHTA Test pedal free travel with and without engine running; check power assist operation. AHTA Inspect and test hydraulically assisted power brake system for leaks and proper operation. AHTA Measure and adjust master cylinder pushrod length. AHTA Inspect and replace wheel studs. AHTA Remove and reinstall sealed wheel bearing assembly. AHTA Diagnose poor stopping, wheel lock-up, abnormal pedal feel or pulsation, and noise concerns caused by the antilock brake system (ABS). AHTA Diagnose antilock brake system (ABS) electronic control(s) and components using self-diagnosis and/or recommended test equipment. AHTA Depressurize high-pressure components of the antilock brake system (ABS). AHTA Bleed the antilock brake system's (ABS) front and rear hydraulic circuits. AHTA Remove and install antilock brake system (ABS) electrical/electronic and hydraulic components. AHTA Test, diagnose and service ABS speed sensors, toothed ring (tone wheel), and circuits using a graphing multimeter (GMM)/digital storage oscilloscope (DSO) (includes output signal, resistance, shorts to voltage/ground, and frequency data). AHTA Diagnose antilock brake system (ABS) braking concerns caused by vehicle modifications (tire size, curb height, final drive ratio, etc.). AHTA Identify traction control vehicle stability control system components. AHTA10.08 Perform skills and determine necessary actions needed in the electrical/electronic systems area of automotive service and repair. AHTA Diagnose electrical/electronic integrity for series, parallel, and seriesparallel circuits using principles of electricity (Ohm s Law). AHTA Use wiring diagrams during diagnosis of electrical circuit problems. AHTA Demonstrate the use of a test light during diagnosis of electrical circuit problems. AHTA Check electrical circuits using fused jumper wires, locate shorts, grounds, opens, and resistance problems in electrical/electronic circuits. AHTA Measure and diagnose the cause(s) of excessive key-off battery drain (parasitic draw). AHTA Inspect and test fusible links, circuit breakers, fuses, switches, connectors, relays, solid state devices, and wires. AHTA Repair wiring harnesses, connectors, terminal ends, and perform solder repair of electrical wiring. AHTA Perform battery state-of-charge test (open circuit voltage), battery capacity test/load test; confirm proper battery capacity for vehicle application; determine necessary action while maintaining or restoring electronic memory functions. Page 6 of 13

7 Including Knowledge and Skills, and AHTA Inspect, clean, fill, and replace battery; inspect and clean battery cables, connectors, clamps, and hold-downs; repair or replace as needed, perform slow/fast battery charge. AHTA Start a vehicle using jumper cables and a battery or auxiliary power supply. AHTA Perform starter current draw tests, starter circuit voltage drop tests, inspect and test starter relays and solenoids. AHTA Demonstrate the proper use of a DMM (digital multimeter), including source voltage, voltage drop, current flow, and continuity. AHTA Identify and interpret electrical/electronic system concern. AHTA Identify location of hybrid vehicle high voltage circuit disconnect (service plug) location and safety procedures. AHTA Identify high voltage circuits of electric or hybrid electric vehicle and related safety precautions. AHTA Identify electronic modules, security systems and/or radios that require reinitialization or code entry following battery disconnect. AHTA Identify hybrid vehicle auxiliary (12v) battery service, repair and test procedures. AHTA Remove and install starter in a vehicle. AHTA Remove, inspect, and install generator (alternator). AHTA Identify system voltage and safety precautions associated with high intensity discharge headlights. AHTA Inspect and test gauges and gauge sending units for cause of intermittent, high, low, or no gauge readings. AHTA Inspect and test connectors, wires, and printed circuit boards of gauge circuits. AHTA Diagnose the cause of incorrect operation of warning devices and other driver information systems. AHTA Diagnose radio static and weak, intermittent, or no radio reception. AHTA Remove and reinstall door panel. AHTA Diagnose body electronic system circuits using a scan tool. AHTA AHTA Check for module communication (including CANBUS systems) errors using a scan tool. Diagnose the cause of false, intermittent, or no operation of anti-theft systems. AHTA10.09 Perform skills and determine necessary actions needed in the engine performance area of automotive service and repair. AHTA Locate and interpret vehicle and major component identification numbers (VIN, vehicle certification labels, and calibration decals). AHTA Perform engine absolute and relative (vacuum/boost) manifold pressure tests. AHTA Perform cylinder power balance test, cylinder compression test, cylinder leakage test. AHTA Verify engine-operating temperature. AHTA Prepare 4 or 5-gas analyzer; inspect and prepare vehicle for test, and obtain exhaust readings. AHTA Perform cooling system pressure tests; check coolant condition; inspect and test radiator, pressure cap, coolant recovery tank, and hoses. Page 7 of 13

8 Including Knowledge and Skills, and AHTA Obtain and interpret scan tool data, retrieve and record stored OBD I and OBD II (Onboard Diagnostic) diagnostic trouble codes; clear codes. AHTA Replace fuel filters. AHTA Remove and replace thermostat and gasket AHTA Identify and interpret engine performance concern. AHTA Perform engine running compression test. AHTA Diagnose engine mechanical, electrical, electronic, fuel, and ignition concerns with an oscilloscope and/or engine diagnostic equipment. AHTA Verify correct camshaft timing. AHTA Diagnose the causes of emissions or driveability concerns resulting from malfunctions in the computerized engine control system with stored diagnostic trouble codes. AHTA Diagnose emissions or driveability concerns resulting from malfunctions in the computerized engine control system with no stored diagnostic trouble codes. AHTA Check for module communication (including CAN/BUS systems) errors using a scan tool. AHTA Inspect and test computerized engine control system sensors, power train control module (PCM), actuators, and circuits using a graphing multimeter (GMM)/digital storage oscilloscope (DSO). AHTA Diagnose driveability and emissions problems resulting from malfunctions of interrelated systems (cruise control, security alarms, suspension controls, traction controls, A/C, automatic transmissions, non-oem-installed accessories, or similar systems). AHTA Perform active tests of actuators using scan tool. AHTA Diagnose ignition system related problems such as no-starting, hard starting, engine misfire, poor driveability, spark knock, power loss, poor mileage, and emissions concerns on vehicles with electronic ignition systems. AHTA Inspect, test and service distributor. AHTA Inspect and test ignition system primary and secondary circuit wiring and components. AHTA Inspect and test ignition coil(s). AHTA Check and adjust ignition system timing and timing advance/retard (where applicable). AHTA Inspect and test ignition system pick-up sensor or triggering devices. AHTA Diagnose hot or cold no-starting, hard starting, poor driveability, poor idle, flooding, hesitation, surging, engine misfire, power loss, stalling, poor mileage, dieseling, and emissions problems on vehicles with injection-type fuel systems. AHTA Check fuel for contaminants and quality. AHTA Inspect and test fuel pumps and pump control systems for pressure, regulation, and volume. AHTA Inspect and test cold enrichment system and components. AHTA Inspect throttle body, air induction system, intake manifold and gaskets for vacuum leaks and/or unmetered air. AHTA Inspect and test fuel injectors. AHTA Check idle speed. AHTA Inspect the integrity of the exhaust manifold, exhaust pipes, muffler(s), catalytic converter(s), resonator(s), tail pipe(s), and heat shield(s). Page 8 of 13

9 Including Knowledge and Skills, and AHTA Perform exhaust system back-pressure test. AHTA Test the operation of turbocharger/supercharger systems. AHTA Diagnose oil leaks, emissions, and driveability problems resulting from malfunctions in the positive crankcase ventilation (PCV) system. AHTA Inspect, test and service positive crankcase ventilation (PCV) filter/breather cap, valve, tubes, orifices, and hoses. AHTA Diagnose emissions and driveability problems caused by malfunctions in the exhaust gas recirculation (EGR) system. AHTA Inspect, test, service and replace components of the EGR system, including EGR tubing, exhaust passages, vacuum/pressure controls, filters and hoses. AHTA Inspect and test electrical/electronic sensors, controls, and wiring of exhaust gas recirculation (EGR) systems. AHTA Diagnose emissions and driveability problems resulting from malfunctions in the secondary air injection and catalytic converter systems. AHTA Inspect and test mechanical components of secondary air injection systems. AHTA Inspect and test electrical/electronically-operated components and circuits of air injection systems. AHTA Inspect and test catalytic converter performance. AHTA Diagnose emissions and driveability problems resulting from malfunctions in the evaporative emissions control system. AHTA Inspect and test components and hoses of evaporative emissions control system. AHTA Interpret evaporative emission related diagnostic trouble codes (DTCs). AHTA Adjust valves on engines with mechanical or hydraulic lifters. AHTA Remove and replace timing belt; verify correct camshaft timing. AHTA Remove and replace thermostat and gasket. AHTA Inspect and test mechanical/electrical fans, fan clutch, fan shroud/ducting, air dams, and fan control devices. AHTA Identify hybrid vehicle internal combustion engine service precautions. AHTA10.10 Perform skills and determine necessary actions needed in the engine repair area of automotive service and repair. AHTA Inspect engine assembly for fuel, oil, coolant, and other leaks. AHTA Test coolant; drain and recover coolant; flush and refill cooling system with recommended coolant; bleed air as required. AHTA Remove and replace radiator. AHTA Perform common fastener and thread repair to include, remove broken bolt, restore internal and external threads, and repair internal threads with thread insert. AHTA Inspect power train mounts. AHTA Diagnose engine noises and vibrations. AHTA Diagnose the cause of excessive oil consumption, unusual engine exhaust color, odor, and sound. AHTA Identify and interpret engine concern. Page 9 of 13

10 Including Knowledge and Skills, and AHTA Remove and reinstall engine in a front-wheel or rear wheel drive vehicle (OBDII or newer); reconnect all attaching components and restore the vehicle to running condition. AHTA Install engine covers using gaskets, seals and sealers as required. AHTA Inspect oil pump gears or rotors, housing, pressure relief devices, and pump drive. AHTA Inspect and replace engine cooling and heater system hoses. AHTA Inspect, test, remove, and replace water pump. AHTA Inspect auxiliary oil coolers. AHTA10.11 Perform skills and determine necessary actions needed in the heating and air conditioning area of automotive service and repair. AHTA Identify and interpret heating and air conditioning concern. AHTA Performance test A/C system; diagnose A/C system malfunctions using principles of refrigeration. AHTA Diagnose abnormal operating noises in the A/C system. Identify refrigerant type; select and connect proper gauge set; record pressure readings. AHTA Leak test A/C system. AHTA Inspect the condition of discharged oil. AHTA Determine recommended oil for system application. AHTA Using scan tool, observe and record related HVAC data and trouble codes. AHTA Diagnose A/C system conditions that cause the protection devices (pressure, thermal, and PCM) to interrupt system operation. AHTA Inspect and replace A/C compressor drive belts. AHTA Inspect, test, and/or replace A/C compressor clutch components and/or assembly. AHTA Remove, inspect, and reinstall A/C compressor and mountings; determine required oil quantity. AHTA Identify hybrid vehicle A/C system electrical circuits, service and safety precautions. AHTA Determine need for an additional A/C system filter. AHTA Remove and inspect A/C system mufflers, hoses, lines, fittings, O-rings, seals, and service valves. AHTA Inspect A/C condenser for airflow restrictions. AHTA Remove, inspect, and reinstall receiver/drier or accumulator/drier; determine AHTA required oil quantity. AHTA Remove and install expansion valve or orifice (expansion) tube. AHTA Inspect evaporator housing water drain. AHTA Remove, inspect, and reinstall evaporator; determine required oil quantity. AHTA Remove, inspect, and reinstall condenser; determine required oil quantity. AHTA Diagnose temperature control problems in the heater/ventilation system. AHTA Remove, inspect, and reinstall heater core. Page 10 of 13

11 Including Knowledge and Skills, and AHTA Diagnose malfunctions in the vacuum, mechanical, and electrical components and controls of the heating, ventilation, and A/C (HVAC) system. AHTA Inspect and test A/C-heater control panel assembly. AHTA Inspect and test NC-heater control cables, motors, and linkages. AHTA Inspect A/C-heater ducts, doors, hoses, cabin filters and outlets. AHTA Check operation of automatic and semi-automatic heating, ventilation, and air-conditioning (HVAC) control systems. AHTA Perform correct use and maintenance of refrigerant handling equipment. AHTA Identify (by label application or use of a refrigerant identifier) and recover A/C system refrigerant. AHTA Recycle refrigerant. AHTA Label and store refrigerant. AHTA Test recycled refrigerant for non-condensable gases. AHTA Evacuate and charge A/C system. AHTA12.04 Perform specialized skills and determine necessary actions needed in the automatic transmission area of automotive service and repair. AHTA Disassemble, clean, and inspect transmission/transaxle. AHTA Inspect, measure, clean, and replace valve body (includes surfaces, bores, springs, valves, sleeves, retainers, brackets, check-balls, screens, spacers, and gaskets). AHTA Inspect servo bore, piston, seals, pin, spring, and retainers. AHTA Inspect accumulator bore, piston, seals, spring, and retainer. AHTA Assemble transmission/transaxle. AHTA Inspect, leak test, and flush cooler, lines, and fittings. AHTA Inspect converter flex plate, attaching parts, pilot, pump drive, and seal areas. AHTA Measure torque converter endplay and check for interference; check clutch. AHTA Inspect, measure, and reseal oil pump assembly and components. AHTA Measure endplay or preload. AHTA Inspect, measure, and replace thrust washers and bearings. AHTA Inspect oil delivery seal rings, ring grooves, and sealing surface areas. AHTA Inspect bushings. AHTA Inspect and measure planetary gear assembly (includes sun, ring gear, thrust washers, planetary gears, and carrier assembly). AHTA Inspect case bores, passages, bushings, vents, and mating surfaces. AHTA Inspect transaxle drive, link chains, sprockets, gears, bearings, and bushings. AHTA Inspect, measure, repair, adjust or replace transaxle final drive components. AHTA Inspect and reinstall parking pawl, shaft, spring, and retainer. AHTA Inspect clutch drum, piston, check-balls, springs, retainers, seals, and friction and pressure plates. AHTA Measure clutch pack clearance. AHTA Inspect roller and sprag clutch, races, rollers, sprags, springs, cages, and retainers. Page 11 of 13

12 Including Knowledge and Skills, and AHTA Inspect bands and drums. AHTA12.05 Perform specialized skills and determine necessary actions needed in the manual drive train and axles area of automotive service and repair. AHTA Inspect and replace clutch pressure plate assembly and clutch disc. AHTA Inspect, remove or replace pilot bearing or bushing (as applicable). AHTA Inspect flywheel and ring gear for wear and cracks. AHTA Measure flywheel runout and crankshaft endplay. AHTA Inspect, adjust, and reinstall shift linkages, brackets, bushings, cables, pivots, and levers. AHTA Inspect and replace gaskets, seals, and sealants; inspect sealing surfaces. AHTA Remove and replace transaxle final drive. AHTA Inspect, adjust, and reinstall shift cover, forks, levers, grommets, shafts, sleeves, detent mechanism, interlocks, and springs. AHTA Measure endplay or preload (shim or spacer selection procedure) on Transmission/transaxle shafts. AHTA Inspect and reinstall synchronizer hub, sleeve, keys (inserts), springs, and blocking rings. AHTA Inspect and reinstall speedometer drive gear, driven gear, vehicle speed sensor (VSS), and retainers. AHTA Remove, inspect, measure, adjust, and reinstall transaxle final drive pinion gears (spiders), shaft, side gears, side bearings, thrust washers, and case assembly. AHTA Inspect lubrication devices (oil pump or slingers). AHTA Disassemble, service, and reassemble transfer case and components. AHTA12.10 Perform specialized skills and determine necessary actions needed in the engine repair area of automotive service and repair. AHTA Remove and reinstall cylinder heads and gaskets; tighten according to manufacturer's specifications and procedures. AHTA Visually inspect cylinder head(s) for cracks; check gasket surface areas for warpage and leakage; check passage condition. AHTA Inspect valve springs for squareness and free height comparison. AHTA Replace valve stem seals on an assembled engine; inspect valve spring retainers, locks, and valve grooves. AHTA Inspect valve guides for wear; check valve stem-to-guide clearance. AHTA Inspect valves and valve seats. AHTA Check valve face-to-seat contact and valve seat concentricity (runout). AHTA Check valve spring assembled height and valve stem height. AHTA Inspect pushrods, rocker arms, rocker arm pivots and shafts for wear, bending, cracks, looseness, and blocked oil passages (orifices). AHTA Inspect hydraulic or mechanical lifters. AHTA Inspect camshaft drives (including gear wear and backlash, sprocket and chain wear). AHTA Inspect camshaft for runout, journal wear and lobe wear. Page 12 of 13

13 Including Knowledge and Skills, and AHTA Inspect camshaft bearing surface for wear, damage, out-of-round, and alignment. AHTA Disassemble engine block; clean and prepare components for inspection and reassembly. AHTA Inspect engine block for visible cracks, passage condition, core and gallery plug condition, and surface warpage. AHTA Inspect and measure cylinder walls/sleeves for damage, wear, and ridges. AHTA Deglaze and clean cylinder walls. AHTA Inspect and measure camshaft bearings for wear, damage, out-ofround, and alignment. AHTA Inspect crankshaft for end play, straightness, journal damage, keyway damage, thrust flange and sealing surface condition, and visual surface cracks; check oil passage condition; measure journal wear; check crankshaft sensor reluctor ring. AHTA Inspect main and connecting rod bearings for damage and wear. AHTA Identify piston and bearing wear patterns that indicate connecting rod alignment and main bearing bore problems. AHTA Inspect and measure pistons. AHTA Remove and replace piston pin. AHTA Inspect, measure, and install piston rings. AHTA Inspect auxiliary (balance, intermediate, idler, counterbalance or silencer) shaft(s); inspect shaft(s) and support bearings for damage and wear; reinstall and time. AHTA Inspect or replace crankshaft vibration damper (harmonic balancer). AHTA Assemble engine block assembly. Page 13 of 13