Car blog Page 350

Practical automotive articles on maintenance, diagnostics, vehicle systems, buying used cars, tires and electric driving.

Systems

Transmission fluid vs hydraulic oil

Transmission fluid and hydraulic oil both transmit pressure, but they are formulated for different jobs. Learn how they differ and when, if ever, one can replace the other.

Where the Alternator Is Located Systems

Where the Alternator Is Located

Where to find the alternator on most engines, how to tell it apart from nearby belt-driven parts, and why hybrids and EVs may not have one.

Systems

What a 12V Battery Is

A 12V battery is the low-voltage battery that starts most combustion-engine vehicles and powers their electronics. Here is how it works, the main types and what the label means.

What a battery discharge warning means Systems

What a battery discharge warning means

A battery discharge warning usually means your car's 12-volt battery is being drained faster than it is recharged. Learn what triggers it, how it differs from a charging fault, and what to check next.

Systems

Why Replace Brake Fluid

Brake fluid absorbs moisture over time, which lowers its boiling point and can corrode brake parts. Here is why replacement matters and how to judge timing.