How do you set the timing on a Ford Transit van 2.5 turbo?

To set the timing on a Ford Transit van 2.5 turbo, first ensure the engine is at top dead center (TDC) on the compression stroke for cylinder one. Align the timing marks on the crankshaft and camshaft sprockets, and then install the timing belt, ensuring proper tension. After installation, rotate the engine manually to confirm alignment before starting the engine. Always refer to the specific service manual for detailed procedures and specifications.