Dictionary

Become an expert on all things motoring! This dictionary of terms and phrases will help you understand exactly what things are, what gets done and why.

Random definitions

• Drive Shaft

  The drivetrain is a combination of parts that transfers power to the wheels from the engine. It consists of the engine, transmission, and wheels, including the axles, clutch, CV joints, differential, drive shaft, and transaxle of the car.

• Petrol

  Petrol is the fuel for the combustion process that powers a car engine. A higher octane rating provides more power. This is why sports cars usually require high octane petrol.

• Manifold Heat Control Valve

  The manifold heat control valve helps the car idle smoothly and prevents stalling in cold weather. It ensures the petrol doesn’t condense back into liquid form by forcing hot exhaust gases up to the intake manifold and carburettor to warm the air-fuel mixture.

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