How A Car Works

From The Road Up is a series working through each major system on a car in turn. No jargon for its own sake, and no assumption that you already know what a camshaft is. More parts are added as they're written.

• Starter Motors

  The solenoid's two jobs, and the 500 amps a cold morning can demand.

Keeping it running

The companion series, Keep It Going, covers what servicing actually involves — weekly checks through to a full major service.