One of the reasons for unpleasant engine knocking is incorrect valve clearances. This small application is intended to help you calculate and make a best repositioning of the valve shims (lifters, tappets) when adjusting clearances.
Recommended for car repair shops workers, car service owners and mechanics enthusiasts.
Push the 'Help' button on a title screen to check the 'How to use' instruction.
Latest Version
1.18Uploaded by
Ezaak Fakee
Requires Android
Android 6.0+
Category
Free Auto & Vehicles AppContent Rating
Everyone
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Flag as inappropriateLast updated on Oct 9, 2025
Android 15 support added