Where are the timing marks for timing belt on a citroen c5 2L hdi?

On a Citroën C5 2.0 HDi, the timing marks for the timing belt are typically located on the crankshaft and camshaft pulleys. The crankshaft timing mark is usually aligned with a mark on the engine block, while the camshaft timing mark aligns with a corresponding mark on the cylinder head or timing cover. It's essential to ensure that these marks are correctly aligned during installation to maintain proper engine timing. Always refer to the specific service manual for detailed instructions and illustrations relevant to your vehicle model.