If I turn the wheel to a full or near full left lock and drive slowly, e.g. when driving forward or backwards in car parks or onto my drive mainly, I can hear a kind of knocking or maybe more of a creaking noise.
It doesn't do the same thing when on a full right lock and I've not noticed it when generally driving around but that's probably because I'm not turning the wheel as much.
It's a 51 Astra Coupe Turbo on the standard 17" Turbo wheels, but it may have been lowered as it has springs unless they came as standard.
Any initial thoughts?