Systems
Why Do Engines Have Hot Spots? Heat, Coolant Flow and Design
Learn why engines develop hot spots, how heat concentrates around combustion chambers and exhaust valves, and how coolant passages and engine design manage it.
Car blog Page 790
Practical automotive articles on maintenance, diagnostics, vehicle systems, buying used cars, tires and electric driving.
Systems
Systems
How Do Engineers Test Door Closing Feel?
How engineers test car door closing feel: latch engagement, seal and air resistance, closing sound, and repeated durability and climate testing.
Ownership
How to Remove Your Account From a Car Before Sale
Before selling a car, sign out of connected services, remove paired phones and digital keys, and verify nothing personal remains. A practical checklist for owners.
Systems
What Is Steering Trail? Contact Patch Offset, Return Force and Feel
Steering trail explained: how the offset between the steering axis and the tire contact patch creates self-centering force and shapes steering feel.
Systems
Why Do Some Headlights Need Projector Lenses?
How projector headlight optics create a sharp light cutoff, what the lens does, and why aiming matters. Learn why some headlights use projector lenses.
Systems
What Is Structure-Borne Noise? How Vibration Becomes Cabin Sound
Learn what structure-borne noise is, how vibration travels through a car's body to the cabin panels, and how to diagnose where it really comes from.
Electric and hybrid
What Is Battery Thermal Runaway? Causes, Protection and Emergency Response
Learn what battery thermal runaway is, how heat builds inside an EV battery, how packs are designed to contain it, and what drivers and responders should do.
Systems
How Did Tailfins Shape Car Design? Visual Cues, Era and Legacy
Learn how tailfins shaped car design: the visual cues they introduced, the postwar production era that embraced them, and their lasting influence on styling.
Systems
What Is a Heater Hose? Purpose, Heat Flow and Leak Checks
Learn what a heater hose is, how it carries hot engine coolant to the heater core to warm your car's cabin, and how to check heater hoses for leaks safely.
Systems
What Is a Rubber CV Boot? Purpose, Function and Damage Signs
A rubber CV boot seals the constant velocity joint, holding grease in and keeping dirt out. Learn how it works and which signs point to a damaged boot.
Maintenance
What Makes a Good Vehicle Maintenance Log?
Learn which car maintenance log fields matter most: date and mileage, parts and fluids, and follow-up notes that keep your service history useful.
Systems
Why Do Prototype Cars Wear Camouflage?
Learn why prototype cars wear camouflage: how wraps and panels hide a design, why test cars must drive on public roads, and what the disguise cannot conceal.
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