removing leaf springs..??

[Innuendo]

The product you want is "Reducteur" and an air chisel.
Reducteur isn't cheap but works. Bunnings link

[Nocturne]

The product you want is "Reducteur" and an air chisel.
Reducteur isn't cheap but works. Bunnings link

Thanks for that, I'll give it a go. After 36 years it might not be too keen to come out easily!