ASE 2: AUTOMATIC TRANSMISSION AND TRANSAXLE

General
MAST2002 Research vehicle service information such as fluid type, vehicle service history, service precautions, technical service bulletins, and recalls including vehicles equipped with advanced driver assistance systems (ADAS).
MAST2040 Identify automatic transmission and transaxle components and configurations.
MAST2041 Retrieve and record DTCs, OBD monitor status, and freeze frame data; clear codes and data when directed.
MAST2004 Inspect transmission fluid condition
MAST2005 Inspect transmission fluid condition
MAST2010 Diagnose transmission/transaxle gear reduction/multiplication concerns using driving, driven, and held member (power flow) principles.
MAST2012 Diagnose pressure concerns in a transmission using hydraulic principles (Pascal's Law).
MAST2001 Identify and interpret transmission/transaxle concerns, differentiate between engine performance and transmission/transaxle concerns; determine needed action.
MAST2003 Diagnose fluid loss and condition concerns
MAST2008 Perform stall test
MAST2009 Perform lock-up converter system tests
MAST2006 Perform pressure tests on transmissions/transaxles equipped with electronic pressure control
MAST2011 Diagnose electronic transmission/transaxle control systems using appropriate test equipment and service information.
MAST2007 Diagnose noise and vibration concerns
In-Vehicle Transmission/Transaxle
MAST2013 Inspect, adjust, and/or replace external manual valve shift linkage, transmission range sensor/switch, and/or park/neutral position switch.
MAST2016 Drain and replace fluid and filter(s)
MAST2042 Perform relearn procedures.
MAST2017 Inspect, replace/or and align powertrain mounts.
MAST2014 Inspect for leakage; replace external seals, gaskets, and bushings.
MAST2015 Inspect, test, adjust, repair, and/or replace electrical/electronic components and circuits.
Off-Vehicle Transmission and Transaxle
MAST2021 Describe the operational characteristics of a continuously variable transmission (CVT).
MAST2022 Describe the operational characteristics of a hybrid vehicle drive train.
MAST2018 Remove and reinstall transmission/transaxle and torque converter; inspect engine core plugs, rear crankshaft seal, dowel pins, dowel pin holes, and mounting surfaces.
MAST2019 Inspect, leak test, flush, and/or replace transmission/transaxle oil cooler, lines, and fittings.
MAST2020 Inspect converter flex (drive) plate, converter attaching bolts, converter pilot, converter pump drive surfaces, converter end play, and crankshaft pilot bore.
MAST2023 Disassemble, clean, and inspect transmission/transaxle.
MAST2024 Inspect, measure, clean, and replace valve body (includes surfaces, bores, springs, valves, switches, solenoids, sleeves, retainers, brackets, check valves/balls, screens, spacers, and gaskets).
MAST2025 Inspect servo and accumulator bores, pistons, seals, pins, springs, and retainers; determine needed action.
MAST2026 Assemble transmission/transaxle.
MAST2027 Inspect, measure, and reseal oil pump assembly and components.
MAST2028 Measure transmission/transaxle end play and/or preload
MAST2029 Inspect, measure, and/or replace thrust washers and bearings.
MAST2030 Inspect oil delivery circuits, including seal rings, ring grooves, and sealing surface areas, feed pipes, orifices, and check valves/balls.
MAST2031 Inspect bushings
MAST2032 Inspect and measure planetary gear assembly components
MAST2033 Inspect case bores, passages, bushings, vents, and mating surfaces; determine needed action.
MAST2034 Diagnose and inspect transaxle drive, link chains, sprockets, gears, bearings, and bushings; determine needed action.
MAST2035 Inspect measure, repair, adjust or replace transaxle final drive components.
MAST2036 Inspect clutch drum, piston, check-balls, springs, retainers, seals, friction plates, pressure plates, and bands; determine needed action.
MAST2037 Measure clutch pack clearance
MAST2038 Air test operation of clutch and servo assemblies.
MAST2039 Inspect one-way clutches, races, rollers, sprags, springs, cages, retainers; determine needed action.