Automotive Technology/Task List

Here's the master list for the ASE tasks in test therefore link order

Engines

see Engine Repair

A1 General Engine Diagnosis

A.1.A.1 Engine Diagnostics

A.1.A.2 Automotive No Crank Condition

A.1.A.3 Engine External Leak

A.1.A.4 Engine Noise

A.1.A.5 Engine Internal Leak

A.1.A.6 Engine Vacuum Test

A.1.A.7 Engine Power Balance Test

A.1.A.8 Engine Compression Test

A.1.A.9 Engine Cylinder Leakage Test

Cylinder Head and Valve Train Diagnosis and Repair

A.1.B.1 Engine Cylinder Head

A.1.B.2 Engine Cylinder Head Inspection

A.1.B.3 Repair damaged threads and install core and gallery plugs.

A.1.B.4 Engine valve springs

A.1.B.5 Engine valve spring retainers, rotators, locks/keepers, and lock grooves.

A.1.B.6 Engine Valve Stem Seals

A.1.B.7 Engine Valve Guides

A.1.B.8 Engine Valves and Engine Valve Seats

A.1.B.9 Engine Valve Spring installed (assembled) height and Engine Valve Stem height

A.1.B.10. Inspect pushrods, rocker arms, rocker arm pivots, and shafts for wear, bending, cracks, looseness, and blocked oil passages; repair or replace as required.

A.1.B.11. Inspect and replace hydraulic or mechanical lifters/lash adjusters.

A.1.B. 12. Adjust valves on engines with mechanical or hydraulic lifters.

A.1.B.13. Engine Camshaft Inspection

A.1.B.14. Inspect and measure camshaft journals and lobes; measure camshaft lift.

A.1.B.15. Inspect and measure camshaft bore for wear, damage, out-of-round, and alignment; determine needed repairs.

A.1.B.16. Inspect valve timing; time camshaft(s) to crankshaft.

A.1.B.17. Inspect cylinder head mating surface condition and finish, reassemble and install gasket(s) and cylinder head(s); replace/torque bolts according to manufacturers’ procedures

Engine Block Diagnosis and Repair

A.1.C.1 Engine Block Assembly

A.1.C.2 Engine Block Inspection

A.1.C.3 Thread Repair

A.1.C.4 Engine Cylinders

A.1.C.5 Crankshaft Inspection

A.1.C.6 Main Bearing Inspection

A.1.C.7 Crankshaft Install

A.1.C.8 Camshaft Bearings

A.1.C.9 Auxiliary Shafts

A.1.C.10 Inspect Pistons

A.1.C.11 Connecting Rods

A.1.C.12 Piston Ring

A.1.C.13 Harmonic Balancer

A.1.C.14 Inspect crankshaft flange and flywheel mating surfaces

A.1.C.15 Engine Pans and Covers

A.1.C.16 Gaskets and Seals when reinstalling an engine

Lubrication and Cooling Systems Diagnosis and Repair

A.1.D.1 Engine Oil Pressure Test

A.1.D.2 Engine Oil Pump

A.1.D.3 Engine Oil Cooler

A.1.D.4 Engine Oil Filter

A.1.D.5 Engine Cooling System Pressure Test

A.1.D.6 Engine Coolant

A.1.D.7 drive belt

A.1.D.8 coolant

A.1.D.9 Engine Coolant Thermostat

A.1.D.10 water pump

A.1.D.11 Engine Coolant Flush

A.1.D.12 Engine Cooling Fan

A.1.D.13 engine codes

=== Intake, Fuel, Ignition, Exhaust

A.1.E.1 Fuel Injection

A.1.E.2 Intake Manifold

A.1.E.3 Turbo Charger and Super Charger

A.1.E.4 Engine crank

A.1.E.5 Positive Crankcase Ventilation

A.1.E.6 Ignition

A.1.E.7 Engine Exhaust

Automatic Transmission

General Transmission/Transaxle Diagnosis

Mechanical/Hydraulic Systems

A.2.A.1. Road test the vehicle to verify mechanical/hydraulic system problems based on driver’s concern; determine necessary action.

A.2.A.2. Automotive Diagnostics#Transmission Vibration And Noise Diagnose noise, vibration, harshness, and shift quality problems; determine necessary action.

A.2.A.3. Automatic Transmission Fluid

A.2.A.4. Automatic Transmission Pressure Test

A.2.A.5. Automatic Transmission Stall Test

A.2.A.6. Torque Converter Clutch (lock-up converter) mechanical/hydraulic system tests; determine necessary action.

Electronic Systems

A.2.A.1. Road test the vehicle to verify electronic system problems based on driver’s concern; determine necessary action.

A.2.A.2. Perform pressure tests on transmissions equipped with electronic pressure control; determine necessary action.

A.2.A.3. Perform torque converter clutch (lock up converter) electronic system tests; determine necessary action

A.2.A.4. Diagnose electronic transmission control systems using appropriate test equipment, service information, technical service bulletins, and schematics; diagnose shorts, grounds, opens, and resistance problems in electrical/electronic circuits; determine necessary action.

A.2.A.5. Verify proper operation of charging system; check battery, connections, and power/ground circuits.

A.2.A.6. Differentiate between engine performance, or other vehicle systems, and transmission/transaxle related problems; determine necessary action.

A.2.A.7. Diagnose shift quality concerns resulting from problems in the electronic t ransmission control system; determine necessary action.

In-Vehicle Transmission/Transaxle Maintenance and Repair

A.2.B.1. manual valve shift linkage, transmission range sensor/switch, and park/neutral position switch (inhibitor/Neutral Safety Switch).

A.2.B.2. Inspect, adjust, and replace cables or linkages for the throttle valve (TV) and accelerator pedal.

A.2.B.3. Inspect and replace external seals and gaskets.

A.2.B.4. Inspect and replace driveshaft yoke, Drive Axle Joints, and Bushings, and seals.

A.2.B.5. Check condition and operation of engine cooling system; inspect Transmission Cooler, lines and fittings.

A.2.B.6. Inspect valve body mating surfaces, bores, valves, springs, sleeves, retainers, brackets, check balls, screens, spacer plates, and gaskets; replace as necessary.

A.2.B.7. Torque valve body fasteners to specification.

A.2.B.8. Inspect accumulator and servo bores, pistons, seals, pins/pin bores, springs, and retainers; repair or replace as necessary.

A.2.B.9. Inspect, test, adjust, repair, or replace electrical/electronic components and circuits including control modules, solenoids, sensors, relays, terminals, connectors, switches, and harnesses.

A.2.B. 10. Inspect, replace, and/or align power train mounts.

A.2.B.11. Replace fluid and filter(s); verify proper fluid level and type (for transmissions with, or without, a dipstick).

Off-Vehicle Transmission/Transaxle Repair

Removal and Installation (4 questions)

A.2.C.1. Remove and install transmission/transaxle; inspect engine core plugs, rear crankshaft seal, transmission dowel pins, dowel pin holes, and mating surfaces.

A.2.C.2. Inspect converter flex (drive) plate, converter attaching bolts, converter pilot, crankshaft pilot bore, converter pump drive surfaces.

A.2.C.3. Install torque converter and establish correct converter-to-pump engagement; inspect converter free movement for pilot engagement during transmission installation.

A.2.C.4 Transmission Fluid Cooler

A.2.C.5. Inspect brackets, wiring harnesses, fuel lines, heat shields, inspection covers, and related components for proper routing and installation.

A.2.C.6. Perform module coding and/or programming (including adaptive learning reset); road test to confirm proper operation

Disassembly and Assembly

A.2.C.1. Disassemble, clean, and inspect transmission case, sub-assemblies, mating surfaces, and thread condition.

A.2.C.2. Inspect and measure fluid pump components; replace as necessary.

A.2.C.3. Check bearing preload; determine needed service.

A.2.C.4. Check end play; inspect, measure, and replace thrust washers and bearings as needed.

A.2.C.5. Inspect shafts; replace as necessary.

A.2.C.6. Inspect fluid delivery circuit, including seal rings, ring grooves, sealing surface areas, feed pipes, orifices, and encapsulated check valves (balls).

A.2.C.7. Inspect bushings; replace as necessary.

A.2.C.8. Inspect and measure components of the planetary gear assembly; replace as necessary.

A.2.C.9. Inspect case bores, passages, bushings, vents, mating surfaces, and dowel pins; repair or replace as necessary.

A.2.C.10. Inspect valve body mating surfaces, bores, valves, solenoids, springs, sleeves, retainers, brackets, check balls, screens, spacer plates, and gaskets; replace as necessary.

A.2.C.11. Inspect transaxle drive chains, sprockets, gears, bearings, and bushings; replace as necessary.

A.2.C.12. Inspect and measure transaxle final drive components; repair, replace and/or adjust as necessary.

A.2.C.13. Assemble after repair.

Friction and Reaction Units

A.2.C.1. Inspect components of the Hydraulic Clutch Pack Assembly; replace as necessary.

A.2.C.2. Measure clutch pack clearance; adjust as necessary.

A.2.C.3. Air test the operation of clutch and servo assemblies.

A.2.C.4. Inspect components of one way clutch assemblies; replace as necessary.

A.2.C.5. Inspect bands and drums (housings/cylinders); replace and/or adjust as necessary