What causes engine ticks?
What causes engine ticks? The most common cause of engine ticking is a noisy valve train. Your valves have to open and close once for every 2 times your engine spins around. If there is excessive play in these components you can usually hear them “tick” as they shift around while your engine is running. What should I do if my tappety engine is not working? If these changes make no difference to the tappet noises, a full tappet adjustment should be the next move. Using a feeler gauge to wedge between a rocker arm and the valve stem, a...