I have a knock on rear passenger side what is it?

I have changed the shock absorber as it was worn out. Now if anything the noise has got worse. Is the a bush type thing that the top of rhe shock sits in to stop the knocking?
Its a 53 plate ford fusion 1.4 petrol

Sway bar link maybe. Sway bar bushing. Something loose in the trunk.

If it's when you turn right, it's the ball joints. If it's when you go over pot holes it's the ball joints. Most likely the ball joints

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