← 4.4 Engine components

Valves and the valve train

Power Mechanics · Grade 10 · about 40 minutes

The valve, its seat, guide, spring and collets, and why the spring being the only closing force explains most valve faults.

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  • 6 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
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