How do you replace timing belt in a 88 Chevy Nova?

To replace the timing belt in a 1988 Chevy Nova, first, disconnect the battery and remove any components obstructing access to the timing cover. Then, align the timing marks on the crankshaft and camshaft gears, and carefully remove the old timing belt. Install the new timing belt, ensuring it is properly tensioned and aligned with the timing marks, and then reassemble the timing cover and any components you removed. Finally, reconnect the battery and start the engine to check for proper operation.