Micra timing chain

[Manners13]

New to this forum and after a bit of advice before I tackle this job. Nissan micra 03 plate 1.0 petrol. I'm going to replace the timing chain due to it jumping teeth, do you do these with the engine in or remove the engine and replace it that way?
Thanks

 

[frank]

there are a few threads on here manners https://www.micra.org.uk/threads/changing-timing-chain-guide.54380/page-2#post-582528