It seems to be that many cars over about 4 years old have some worn or dry joints, well worth a check. That looks like a swish impact wrench WarBird, as I don't think I will have a lot of use for it I got a £30 cordless one express delivery from China but it worked amazingly well. Not sure how long it will last though. I couldn't move the ball joint with a large T bar but it undone almost instantly with the impact wrench, thanks for the advice RogG.