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How to Find Top Dead Center on a Honda

by Jeffrey Caldwell

In a Honda engine, pistons travel up and down inside cylinders in the engine block and are driven by rods connected to the crankshaft. Top dead center is when the piston is farthest away from the crankshaft. Locating top dead center on the number one piston is critical to many engine overhaul processes such as replacing the timing belt and replacing the camshaft.

Locating Top Dead Center

Disconnect the ground cable from the negative battery terminal.

Locate the top dead center pointer on the lower timing belt cover. It will be just above the crankshaft pulley.

Locate the top dead center pointer on the crankshaft.

Attach a ratchet to the bolt in the center of the crankshaft pulley.

Rotate the crankshaft counterclockwise until the two marks line up.

Double check by removing the upper timing belt cover and valve cover. Examine the marks on the upper timing belt pulley. They should align with the valve cover mounting surface.


  • Use a long breaker bar on the crankshaft bolt if you're having trouble rotating the engine.


  • Do not try to "bump" the engine (rotate the crankshaft using the starter) while the coil wire is attached to the distributor. High voltage could cause injury or death.

Items you will need


About the Author

Jeffrey Caldwell has been a freelance writer for over five months and has published over 250 articles on websites like eHow and Caldwell writes articles on a wide range of topics including travel, camping and automotive mechanics. He has a Bachelor of Arts in English from Millersville University.

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