These components might have a funny name, but your engine wouldn't work properly without them.
Answer Tappets
The tappet sits at the end of each of your engine's push rods, and helps keep everything in alignment. When these components start to wear out due to poor maintenance, the engine makes a noise and is called "tappety".
Asked by Don Ayres · Last updated 5 years ago · 2.8M views · SOURCE
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