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Thermostat diagnosis: how to spot the fault before overheating starts

Thermostats are designed to last, but over time they can wear and lose their ability to regulate engine temperature correctly. So how do you know if a thermostat is starting to fail?
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When Should You Replace Wiper Blades and Which Type Should You Choose?

Learn when to replace wiper blades, how to identify signs of wear, and the differences between conventional, flat, and hybrid wiper blades. Practical advice from DENSO experts.
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The Evolution of Engine Cooling: From Mechanical Systems to Intelligent Thermal Management

Engine cooling systems are undergoing a fundamental transformation. Traditionally based on mechanically driven components, modern cooling architectures are now increasingly defined by electronic control, enabling greater efficiency, reduced emissions and improved engine durability.
Engine cooling News 06 2026

DENSO TechTip: Diagnosing Alternator Faults the Right Way

A defective charging system can cause a wide range of vehicle problems – from warning lights and flat batteries to abnormal noise and repeat alternator failures. Because symptoms often overlap, effective troubleshooting must always start with identifying the symptom, not replacing parts at random.
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DENSO League of True Mechanics: European Winners and 2025 Champion Announced

Following the conclusion of the 2025 DENSO League of True Mechanics (LOTM) regional competitions, DENSO Aftermarket proudly announces the regional winners and the overall LOTM champion, recognizing skilled professionals who have demonstrated outstanding technical knowledge through online training.
LOTM winners Final results