MTST II: DRIVE TRAIN

A. General
MHT2A001 Research vehicle service information, including fluid type, vehicle service history, service precautions, and technical service bulletins.
MHT2A002 Identify drive train components, transmission type, and configuration.
MHT2A003 Use appropriate electronic service tool(s) and procedures to diagnose problems; check, record, and clear diagnostic codes; interpret digital multimeter (DMM) readings.
B. Clutch
MHT2B001 Inspect and adjust clutch, clutch brake, linkage, cables, levers, brackets, bushings, pivots, springs, and clutch safety switch (includes push-type and pull-type); check pedal height and travel; determine needed action.
MHT2B002 Inspect clutch master cylinder fluid level; check clutch master cylinder, slave cylinder, lines, and hoses for leaks and damage; determine needed action.
MHT2B003 Inspect, adjust, repair, and/or replace hydraulic clutch slave and master cylinders, lines, and hoses; bleed system.
MHT2B004 Inspect, adjust, lubricate, or replace release (throw-out) bearing, sleeve, bushings, springs, housing, levers, release fork, fork pads, rollers, shafts, and seals.
MHT2B005 Inspect, adjust, and/or replace single-disc clutch pressure plate and clutch disc.
MHT2B006 Inspect, adjust, and/or replace two-plate clutch pressure plate, clutch discs, intermediate plate, and drive pins/lugs.
MHT2B007 Inspect and/or replace clutch brake assembly; inspect input shaft and bearing retainer; determine needed action.
MHT2B008 Inspect, adjust, and/or replace self-adjusting/continuous-adjusting clutch mechanisms.
MHT2B009 Inspect and/or replace pilot bearing.
MHT2B010 Identify causes of clutch noise, binding, slippage, pulsation, vibration, grabbing, dragging, and chatter problems; determine needed action.
MHT2B011 Remove and install flywheel; inspect mounting area on crankshaft; inspect rear main oil seal; measure crankshaft end play; determine needed action.
MHT2B012 Inspect flywheel and starter ring gear; measure flywheel face; measure pilot bore runout; determine needed action.
MHT2B013 Inspect flywheel housing-to-transmission housing/engine mating surface(s); measure flywheel housing face and bore runout; determine needed action.
C. Transmission
MHT2C001 Inspect transmission shifter and linkage; inspect and/or replace transmission mounts, insulators, and mounting bolts.
MHT2C002 Inspect transmission for leakage; determine needed action.
MHT2C003 Replace transmission cover plates, gaskets, seals, and cap bolts; inspect seal surfaces and vents; determine needed action.
MHT2C004 Check transmission fluid level and condition; determine needed action.
MHT2C005 Inspect transmission breather; inspect transmission oil filters, coolers, and related components; determine needed action.
MHT2C006 Inspect speedometer components; determine needed action.
MHT2C007 Inspect and test function of REVERSE light, NEUTRAL start, and warning device circuits; determine needed action.
MHT2C008 Inspect, adjust, and replace transmission covers, rails, forks, levers, bushings, sleeves, detents, interlocks, springs, and lock bolts/safety wires.
MHT2C009 Identify causes of transmission noise, shifting concerns, lockup, jumping out-of-gear, overheating, and vibration problems; determine needed repairs.
MHT2C010 Inspect, test, repair, and/or replace air shift controls, lines, hoses, valves, regulators, filters, and cylinder assemblies.
MHT2C011 Remove and reinstall transmission.
MHT2C012 Inspect input shaft, gear, spacers, bearings, retainers, and slingers; determine needed action.
MHT2C013 Inspect and adjust power take-off (PTO) assemblies, controls, and shafts; determine needed action.
MHT2C014 Inspect and test transmission temperature gauge, wiring harnesses, and sensor/sending unit; determine needed action.
MHT2C015 Inspect and test operation of automatic transmission, components, and controls; diagnose automatic transmission system problems; determine needed action.
MHT2C016 Inspect and test operation of automated mechanical transmission, components, and controls; diagnose automated mechanical transmission system problems; determine needed action.
D. Driveshaft and Universal Joints
MHT2D001 Inspect, service, and/or replace driveshafts, slip joints, yokes, drive flanges, support bearings, universal joints, boots, seals, and retaining/mounting hardware; check phasing of all shafts.
MHT2D002 Identify causes of driveshaft and universal joint noise and vibration problems; determine needed action.
MHT2D003 Inspect driveshaft center support bearings and mounts; determine needed action.
MHT2D004 Measure driveline angles; determine needed action.
E. Drive Axles
MHT2E001 Check and repair fluid leaks; inspect drive axle housing assembly, cover plates, gaskets, seals, vent/breather, and magnetic plugs.
MHT2E002 Check drive axle fluid level and condition; check drive axle filter; determine needed action.
MHT2E003 Inspect, adjust, repair, and/or replace air-operated power divider (inter-axle differential) assembly including: diaphragms, seals, springs, yokes, pins, lines, hoses, fittings, and controls.
MHT2E004 Inspect drive axle shafts; determine needed action.
MHT2E005 Remove and replace wheel assembly; check rear wheel seal and axle flange for leaks; determine needed action.
MHT2E006 Inspect, repair, or replace drive axle lubrication system pump, troughs, collectors, slingers, tubes, and filters.
MHT2E007 Identify causes of drive axle(s) drive unit noise and overheating problems; determine needed action.
MHT2E008 Inspect and test drive axle temperature gauge, wiring harnesses, and sending unit/sensor; determine needed action.
MHT2E009 Remove and replace differential carrier assembly.
MHT2E010 Identify causes of drive axle wheel bearing noise and check for damage; determine needed action.
MHT2E011 Inspect and/or replace components of differential case assembly including spider gears, cross shaft, side gears, thrust washers, case halves, and bearings.
MHT2E012 Inspect and replace components of locking differential case assembly.
MHT2E013 Inspect differential carrier housing and caps, side bearing bores, and pilot (spigot, pocket) bearing bore; determine needed action.
MHT2E014 Inspect and replace ring and drive pinion gears, spacers, sleeves, bearing cages, and bearings.
MHT2E015 Measure ring gear runout; determine needed action.
MHT2E016 Measure and adjust drive pinion bearing preload.
MHT2E017 Measure and adjust drive pinion depth.
MHT2E018 Measure and adjust side bearing preload and ring gear backlash.
MHT2E019 Check and interpret ring gear and pinion tooth contact pattern; determine needed action.
MHT2E020 Inspect, adjust, or replace ring gear thrust block/screw.