How do you replace the belts on a 1991 Toyota Land Cruiser?

To replace the belts on a 1991 Toyota Land Cruiser, first, ensure the engine is off and cool. Loosen the tensioner or idler pulley by turning the appropriate bolt, then remove the old belt from the pulleys. Install the new belt, ensuring it follows the correct routing as per the diagram usually found on the engine bay or in the owner's manual. Finally, adjust the tensioner to secure the new belt and check for proper alignment before starting the engine.