How do you reset engine timing belt on 5L TOYOTA HILUX?

To reset the engine timing belt on a 5L Toyota Hilux, first, ensure the engine is off and cool. Remove any components obstructing access to the timing belt cover, then carefully mark the position of the crankshaft and camshaft pulleys. Loosen the tensioner and remove the old timing belt, then install the new belt, ensuring it aligns with the timing marks on the pulleys. Finally, recheck the alignment, adjust the tensioner, and reassemble any removed components.