How do you remove the timing chain on a petrol Previa 2.4 .?

To remove the timing chain on a petrol Toyota Previa 2.4, first ensure the engine is cool and disconnect the battery. Then, remove any components obstructing access to the timing chain cover, such as the engine mount, accessory drive belts, and any other attached accessories. Once the cover is removed, align the timing marks on the crankshaft and camshaft, then carefully remove the timing chain and related components, such as the tensioner and guides. Finally, inspect all parts for wear before reassembly.