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).

Vehicle Service History

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VIN Code

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Identify manual drive train and axles components and configurations.

Manual Transaxle Identification

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Retrieve and record DTCs, OBD monitor status, and freeze frame data; clear codes and data when directed.

Check fluid condition; check for leaks; determine needed action.

OBD II Monitors Status

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Retrieve DTCs, Monitor Status & Freeze Frames

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Drain and refill manual transmission/transaxle and final drive unit; use proper fluid type per manufacturer specification.

Diagnose drive train concerns; determine needed action.

Diagnosing Hard Shifting Concerns

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Check and adjust clutch master cylinder fluid level; check for leaks; use proper fluid type per manufacturer specification.

Diagnose clutch noise, binding, slippage, pulsation, and chatter; determine needed action.

Inspect clutch pedal linkage, cables, automatic adjuster mechanisms, brackets, bushings, pivots, and springs; perform needed action.

Inspect and/or replace clutch pressure plate assembly, clutch disc, release (throw-out) bearing/ linkage, and pilot bearing/bushing (as applicable).

Bleed clutch hydraulic system.

Inspect flywheel and ring gear for wear, cracks, and discoloration; determine needed action.

Measure flywheel runout and crankshaft end play; determine needed action.

Describe the operation and service of a system that uses a dual mass flywheel.

Describe the operational characteristics of an electronically controlled manual transmission/transaxle.

Inspect, adjust, lubricate and/or replace shift linkages, brackets, bushings, cables, pivots, and levers.

Diagnose noise concerns through the application of transmission/transaxle powerflow principles.

Diagnose hard shifting and jumping out of gear concerns; determine needed action.

Diagnose transaxle final drive assembly noise and vibration concerns; determine needed action.

Disassemble, inspect clean, and reassemble internal transmission/transaxle components.

Inspect, remove, and/or replace bearings, hubs, and seals.

Inspect, service, and/or replace shafts, yokes, boots, and universal/CV joints.

Check for leaks at drive assembly and transfer case seals; check vents; check fluid level; use proper fluid type per manufacturer specification.

Diagnose Fluid Loss

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Diagnose constant-velocity (CV) joint noise and vibration concerns; determine needed action.

Diagnose universal joint noise and vibration concerns; determine needed action.

Check shaft balance and phasing; measure shaft runout; measure and adjust driveline angles; determine needed action.

Noise and Vibration Diagnosis

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Inspect differential housing; check for leaks; inspect housing vent.

Drive Axle Fluid Leaks

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Check and adjust differential case fluid level; use proper fluid type per manufacturer specification.

Drain and refill differential case; use proper fluid type per manufacturer specification.

Inspect and replace companion flange and/or pinion seal; measure companion flange runout.

Demonstrate knowledge of drive pinion and ring gear service and set up including depth, preload, backlash and gear tooth contact. (AST only)

Inspect ring gear and measure runout; determine needed action. (MAST only)

Diagnose noise and vibration concerns; determine needed action.

Remove, inspect, reinstall and/or replace drive pinion and ring gear, spacers, sleeves, and bearings.

Measure and adjust drive pinion depth.

Measure and adjust drive pinion bearing preload.

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).

Check ring and pinion tooth contact patterns; perform needed action.

Disassemble, inspect, measure, adjust and/or replace differential pinion gears (spiders), shaft, side gears, side bearings, thrust washers, and case.

Reassemble and reinstall differential case assembly; measure runout; determine needed action.

Inspect and replace drive axle wheel studs.

Remove and replace drive axle shafts.

Inspect and replace drive axle shaft seals, bearings, and retainers.

Measure drive axle flange runout and shaft end play; determine needed action.

Diagnose drive axle shafts, bearings, and seals for noise, vibration, and fluid leakage concerns; determine needed action.

Diagnose noise, slippage, and chatter concerns; determine needed action.

Measure rotating torque; determine needed action.

Identify concerns related to variations in tire circumference and/or final drive ratios.

Inspect, adjust, and repair shifting controls (mechanical, electrical, and vacuum), bushings, mounts, levers, and brackets.

Inspect, adjust, and repair shifting controls (mechanical, electrical, and vacuum), bushings, mounts, levers, and brackets.

Check for leaks at drive assembly and transfer case seals; check vents; check fluid level; use proper fluid type per manufacturer specification.

Diagnose noise, vibration, and unusual steering concerns; determine needed action.

Diagnose, test, adjust, and replace electrical/electronic components of four-wheel drive systems.

Disassemble, service, and reassemble transfer case and components.

Transfer Case Replacement

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