What do you remove to change the welsh plugs Opel corsa lite 1.3?

To change the welsh plugs (also known as freeze plugs) on an Opel Corsa Lite 1.3, you typically need to remove the engine components that obstruct access to them. This often includes the intake manifold and possibly the exhaust manifold, depending on the specific design of the engine. Additionally, you may need to drain the coolant and remove any associated hoses or components to ensure a clear working area. Once accessible, the old welsh plugs can be pried out and replaced with new ones.