2004 Kia Optima 2.4 engine timing marks?

To find the timing marks on a 2004 Kia Optima with a 2.4L engine, you'll need to locate the timing belt cover. The timing marks are typically found on the crankshaft and camshaft sprockets, with a corresponding mark on the engine block or timing cover. Make sure the engine is at top dead center (TDC) on the compression stroke for proper alignment. Always refer to the vehicle's service manual for detailed diagrams and specific instructions.