Systems
Why Are Car A-Pillars Sometimes Thick?
Learn why car A-pillars are sometimes thick: crash structure, packaging, windshield rake and mirror placement, and how the resulting blind zone affects visibility.
Car blog Page 817
Practical automotive articles on maintenance, diagnostics, vehicle systems, buying used cars, tires and electric driving.
Systems
Systems
What Happens When Valve Timing Is Incorrect? Effects, Symptoms and Repair
Learn what happens when valve timing is incorrect: how it disrupts airflow and combustion, the common warning signs, and how mistimed engines are diagnosed and repaired.
Systems
Why Do Some Car Interior Plastics Become Brittle?
How heat, sunlight, time, stress and cleaning chemicals make car interior plastics brittle, and which repairs are realistic for cracked or broken trim.
Systems
What Is an Evaporator Core in a Car? Cooling, Condensation and Odor
Learn what a car AC evaporator core does: how it cools cabin air, why it produces condensation, and why it can cause musty odors from the vents.
Systems
What Is a Car's Diagnostic Network? Scan Tools, Modules and Limits
Learn how a car's diagnostic network links a scan tool to its control modules, what OBD-II and enhanced diagnostics can report, and where their limits are.
Tires and wheels
What Is a Tire Contact Patch? Load, Pressure, and Grip Explained
Learn what a tire contact patch is, how load and inflation pressure shape it, and how this small area of tread creates the grip used for braking, steering, and acceleration.
Systems
How Does a CVT Keep the Engine at a Chosen RPM?
Learn how a CVT varies its pulley ratio, reads power demand and holds engine speed steady, plus why it feels different and where its limits are.
Electric and hybrid
Why Do EV Motors Need Cooling? Losses, Heat Paths and Power Limits
Learn why EV motors need cooling: where electrical losses create heat, how it leaves the motor and inverter, and why temperature limits sustained power.
Ownership
Why Do Car Batteries Age Faster in Heat?
Learn how heat speeds up chemical wear inside a car battery, how to test for heat-related damage, and how battery placement affects aging.
Systems
What Makes a Car Cabin Feel Quiet While Parked?
How door seals, glass, insulation, outside noise sources, and human perception work together to make a parked car cabin feel quiet, and where that quiet has limits.
Maintenance
Why Do Old Cars Need Drain Holes Checked?
Learn how water moves through an old car's body, why clogged drain holes lead to hidden rust, and how to clean classic vehicle drain holes safely.
Systems
What Is a Crankshaft Position Sensor Used For?
Learn what a crankshaft position sensor does: how it reports engine speed and position, controls spark and fuel timing, and why its failure can cause a no-start.
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