How do you replace a timing belt on a 91 mercury carpi 1.6 turbo w ac and manual transmission?

To replace the timing belt on a 1991 Mercury Capri 1.6 Turbo with air conditioning and a manual transmission, first disconnect the battery and remove any components obstructing access to the timing belt, such as the serpentine belt and front engine covers. Align the timing marks on the crankshaft and camshaft to ensure proper timing, then loosen the tensioner and remove the old belt. Install the new timing belt, ensuring it is properly tensioned, and reassemble all components in the reverse order. Finally, reconnect the battery and check for proper operation.