| General |
| MAST3002 |
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). |
| MAST3001 |
Identify manual drive train and axles components and configurations. |
| MAST3050 |
Retrieve and record DTCs, OBD monitor status, and freeze frame data; clear codes and data when directed. |
| MAST3003 |
Check fluid condition |
| MAST3004 |
Drain and refill manual transmission/transaxle |
| MAST3051 |
Diagnose drive train concerns |
| Clutch |
| MAST3009 |
Check and adjust clutch master cylinder fluid level |
| MAST3005 |
Diagnose clutch noise, binding, slippage, pulsation, and chatter; determine needed action. |
| MAST3006 |
Inspect clutch pedal linkage, cables, automatic adjuster mechanisms, brackets, bushings, pivots, and springs; determine needed action. |
| MAST3007 |
Inspect and/or replace clutch pressure plate assembly, clutch disc, release (throw-out) bearing, linkage, and pilot bearing/bushing (as applicable). |
| MAST3008 |
Bleed clutch hydraulic system. |
| MAST3010 |
Inspect flywheel and ring gear for wear, cracks, and discoloration; determine needed action. |
| MAST3011 |
Measure flywheel runout and crankshaft end play |
| MAST3012 |
Describe the operation and service of a system that uses a dual mass flywheel. |
| Transmission/Transaxle |
| MAST3014 |
Describe the operational characteristics of an electronically controlled manual transmission/transaxle. |
| MAST3013 |
Inspect, adjust, lubricate, and/or replace shift linkages, brackets, bushings, cables, pivots, and levers. |
| MAST3015 |
Diagnose noise concerns through the application of transmission/transaxle powerflow principles |
| MAST3016 |
Diagnose hard shifting and jumping out of gear concerns |
| MAST3017 |
Diagnose transaxle final drive assembly noise and vibration concerns |
| MAST3018 |
Disassemble, inspect, clean, and reassemble internal transmission/transaxle components. |
| Drive Shaft and Half Shaft, Universal and Constant-Velocity (CV) Joints (Front, Rear, All-wheel, and Four-wheel Drive) |
| MAST3021 |
Inspect and/or remove/replace bearings, hubs, and seals. |
| MAST3022 |
Inspect and/or service/replace shafts, yokes, boots, and universal/CV joints. |
| MAST3052 |
Check for leaks at drive assembly and transfer case seals |
| MAST3019 |
Diagnose constant-velocity (CV) joint noise and vibration concerns |
| MAST3020 |
Diagnose universal joint noise and vibration concerns |
| MAST3023 |
Check shaft balance and phasing |
| Differential and Drive Axles - Ring and Pinion Gears and Differential Case Assembly |
| MAST3024 |
Inspect differential housing |
| MAST3025 |
Check and adjust differential housing fluid level |
| MAST3026 |
Drain and refill differential housing |
| MAST3053 |
Inspect and replace companion flange and/or pinion seal |
| MAST3028 |
Inspect ring gear and measure runout |
| MAST3027 |
Diagnose noise and vibration concerns |
| MAST3029 |
Remove, inspect, reinstall or replace drive pinion and ring gear, spacers, sleeves, and bearings. |
| MAST3030 |
Measure and adjust drive pinion depth. |
| MAST3031 |
Measure and adjust drive pinion bearing preload. |
| MAST3032 |
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). |
| MAST3033 |
Check ring and pinion tooth contact patterns |
| MAST3034 |
Disassemble, inspect, measure, adjust, and/or replace differential pinion gears (spiders), shaft, side gears, side bearings, thrust washers, and case. |
| MAST3035 |
Reassemble and reinstall differential case assembly |
| Differential and Drive Axles - Drive Axles |
| MAST3038 |
Inspect and replace drive axle wheel studs. |
| MAST3039 |
Remove and replace drive axle shafts. |
| MAST3040 |
Inspect and replace drive axle shaft seals, bearings, and retainers. |
| MAST3041 |
Measure drive axle flange runout and shaft end play |
| MAST3042 |
Diagnose drive axle shafts, bearings, and seals for noise, vibration, and fluid leakage concerns; determine needed action. |
| Differential and Drive Axles - Limited Slip Differential |
| MAST3036 |
Diagnose noise, slippage, and chatter concerns including electronically controlled systems; determine needed action. |
| MAST3037 |
Measure rotating torque |
| Four-wheel Drive/All-wheel Drive |
| MAST3046 |
Identify concerns related to variations in tire circumference and/or final drive ratios. |
| MAST3043 |
Inspect, adjust, and repair shifting controls (mechanical, electrical, and vacuum), bushings, mounts, levers, and brackets. |
| MAST3044 |
Inspect axle locking mechanisms |
| MAST3045 |
Check for leaks at drive assembly and transfer case seals |
| MAST3047 |
Diagnose noise, vibration, and unusual steering concerns; determine needed action. |
| MAST3048 |
Diagnose, test, adjust, and/or replace electrical/electronic components of four-wheel drive/all-wheel drive systems. |
| MAST3049 |
Disassemble, service, and reassemble transfer case and components. |