Latest posts
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Active and Passive Safety Systems: ABS, traction control, stability control, ADAS and airbags
ABS, TCS, ESC, ADAS, seat belts and airbags explained for technicians: physics of grip, the ABS control cycle, wheel speed sensor tests, calibration, brake fluid and workshop diagnosis — with original illustrations.
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Turbocharged Engine: operation, components, diagnosis and best practices — exam study material
How a turbocharger works: wastegate, electronic boost control, VGT, intercooler, gauge vs. absolute pressure, turbo vs. supercharger, diagnosis and correct shutdown — with original illustrations.
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Automotive Ignition Systems: From Contact Points to Electronic Systems — Operation, Tests and Diagnosis
From contact points to electronic systems: coil, ignition advance, Hall and inductive sensors, CKP and CMP, wasted spark and COP, spark plugs, knock and a professional diagnostic method.
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Fuel Supply in Carbureted Engines: Fuel Circuit, Carburetor, Mixture and Diagnosis
Carbureted fuel supply: tank, filter, mechanical pump, float bowl and float, Venturi effect, carburetor circuits, mixture and lambda factor, gas analysis, tuning and fault diagnosis.
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The Manual Gearbox: Gear Ratios, Synchronizers, Engagement and Maintenance
How the manual gearbox works: gear ratios, internal architecture, shift linkage and forks, synchronizer, reverse gear, GL-4/GL-5 oil, noise and engagement diagnosis, case studies and assessment.
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Automatic Transmissions and CVT: Operation, Fault Diagnosis, Disassembly and Advanced Maintenance
Conventional automatic transmission and CVT: torque converter, pulleys and metal belt, technical comparison, disassembly, ATF and CVT fluids, advanced diagnosis, case studies and assessment.
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The Conventional Automatic Transmission: From the Hydra-Matic to 10-Speed Gearboxes
History and operation of the conventional automatic transmission: torque converter, planetary gears, clutch packs, valve body, ATF, lock-up, AL4/DP0, pressure diagnosis and case studies.
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Robotized Transmissions: Dualogic, i-Motion, Easytronic, PowerShift and DSG
How single-clutch and dual-clutch automated gearboxes work: actuators, control unit, gear changes, touch point learning, scan tool diagnosis, maintenance and case studies.
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The Automotive Differential: Spider Gear Case, Locking Systems, Diagnosis and Maintenance
How the differential works: pinion, ring gear, spider and side gears, behavior in curves, open differential, lockers, LSD, electronic locking, oil, backlash, contact pattern and noise diagnosis.
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Automotive Transmissions: How They Work, Advantages, Disadvantages and Maintenance
Manual, automated, dual-clutch (DCT), automatic with torque converter and planetary gears, and CVT: illustrated operation, comparison, ATF, diagnosis, maintenance and case studies.