Auto Mechanics Glossary by Luis Hernández

Air Filter

luisha2024_1 — 2025-10-03 01:26:30 UTC

Element that retains impurities from the air entering the engine.

Alignment

luisha2024_1 — 2025-10-03 01:28:12 UTC

Adjustment of the wheel angle so they are perpendicular to the ground and parallel to each other, improving maneuverability and reducing tire wear.

Alternator

luisha2024_1 — 2025-10-03 01:29:51 UTC

Device that converts mechanical energy into electrical energy to recharge the battery and power the vehicle's electrical systems.

Battery

luisha2024_1 — 2025-10-03 01:31:06 UTC

Source of electrical energy that allows the engine to start and powers electrical systems when the engine is off.

Belt

luisha2024_1 — 2025-10-03 01:33:01 UTC

Flexible band that transmits movement between pulleys, such as the timing belt or the alternator belt.

Connecting Rod

luisha2024_1 — 2025-10-03 01:34:31 UTC

Part that connects the piston to the crankshaft and transmits the piston's motion to the crankshaft.

Brake Fluid

luisha2024_1 — 2025-10-03 01:35:36 UTC

Hydraulic fluid used to transmit force from the brake pedal to the brake pads and rotors/drums.

Brakes

luisha2024_1 — 2025-10-03 01:36:41 UTC

System that allows the vehicle to stop or reduce speed, using discs, pads, drums, and brake fluid.

Carburetor

luisha2024_1 — 2025-10-03 01:37:51 UTC

(In older models) Component that mixes air and fuel before entering the engine for combustion.

Chassis

luisha2024_1 — 2025-10-03 01:38:52 UTC

The base structure of the vehicle upon which the engine, body, and suspension are mounted.

Crankshaft

anthonyelieser1221 — 2025-10-03 15:07:26 UTC

The vehicle's base structure on which other components, such as the engine, body, and suspension, are mounted.

Clutch

anthonyelieser1221 — 2025-10-03 15:11:09 UTC

Mechanism that connects and disconnects the engine from the transmission to shift gears in manual vehicles.

Compressor

anthonyelieser1221 — 2025-10-03 15:12:39 UTC

In air conditioning, it compresses the refrigerant gas. It can also refer to the compressors in turbo engines.

Belt

anthonyelieser1221 — 2025-10-03 15:14:33 UTC

Flexible belt that transmits motion between pulleys, such as the timing belt or the alternator belt.

Cylinder head

anthonyelieser1221 — 2025-10-03 15:15:51 UTC

Upper part of the engine that seals the cylinders and houses valves, spark plugs, and combustion chambers.

Differential

giancarlosmartinez03 — 2025-10-04 02:44:22 UTC

Mechanism that allows the wheels to rotate at different speeds when turning corners, maintaining traction and stability

Direction (Steering System)

giancarlosmartinez03 — 2025-10-04 02:45:57 UTC

System that allows the front wheels to be turned to control the vehicle's trajectory.

Embrague (See Clutch)

giancarlosmartinez03 — 2025-10-04 02:47:14 UTC

System that allows the driver to control the coupling between the engine and the transmission

Engine

giancarlosmartinez03 — 2025-10-04 02:48:53 UTC

Mechanical assembly that converts energy (typically from internal combustion) into motion to propel the vehicle

Exhaust

giancarlosmartinez03 — 2025-10-04 02:50:21 UTC

Set of pipes and mufflers that expel combustion gases from the engine to the outside.

Piston

albertovega5677 — 2025-10-04 23:39:10 UTC

Cylindrical part that moves inside the enginecylinder and compresses the air-fuel mixture forcombustion.

Radiator

albertovega5677 — 2025-10-04 23:40:02 UTC

Component of the cooling system thatdissipates heat from the hot coolant circulating throughthe engine.

Revisión

albertovega5677 — 2025-10-04 23:40:48 UTC

Periodic technical check-up.

Scanner

albertovega5677 — 2025-10-04 23:41:51 UTC

Electronic tool that diagnosesfaults in the engine and other systems via the vehicle'sOBD port.

Spark plug

albertovega5677 — 2025-10-04 23:42:41 UTC

Device that generates the necessaryspark to ignite the air-fuel mixture in gasoline engines.

Valve

luisha2024_1 — 2025-10-05 12:54:46 UTC

Component that opens and closes the air/fuel intake and exhaust gas passages in the engine.

Turbo

luisha2024_1 — 2025-10-05 12:55:55 UTC

Device that increases engine power by forcing extra air into the cylinders using a compressor driven by exhaust gases.

Transmission

luisha2024_1 — 2025-10-05 12:57:19 UTC

System that transfers power from the engine to the wheels, allowing for changes in speed and force of movement.

Tire/Rim

luisha2024_1 — 2025-10-05 12:58:28 UTC

The tire/rim assembly that allows the vehicle's contact and traction with the road.

Tire

luisha2024_1 — 2025-10-05 12:59:25 UTC

Inflated rubber part that surrounds the rim (llanta), provides traction, and absorbs road irregularities.

Tie Rod End

luisha2024_1 — 2025-10-05 13:00:31 UTC

Spherical joint that connects the suspension arms to the wheels, allowing vertical and turning movement.

Suspension

luisha2024_1 — 2025-10-05 13:01:57 UTC

Set of components (shocks, springs, ball joints) that absorb road irregularities and maintain vehicle stability.

Auto Mechanics Glossary by Luis Hernández

​Air Filter

Alignment

Alternator

Battery

Belt

Connecting Rod

Brake Fluid

Brakes

Carburetor

Chassis

Crankshaft

Clutch

Compressor

Belt

Cylinder head

Differential

Direction (Steering System)

Embrague (See Clutch)

Engine

Exhaust

Piston

Radiator

Revisión

Scanner

Spark plug

Valve

Turbo

Transmission

Tire/Rim

Tire

​Tie Rod End

Suspension

Air Filter

Tie Rod End