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On a timing belt repair, which timing mark is for the camshaft and which is for the crankshaft?

June 16, 2021

Most timing belts will have two double dotted line marks and 4 to 6 solid marks. Double dotted lines are for the crankshaft, and the solid line is for camshaft alignment. Dayco includes detailed instructions with all timing kits so follow the instructions closely as they vary by make and model. Proper timing belt installation is critical to engine performance and long belt life. A belt installed incorrectly can cause immediate engine damage.