turns

The situation is e.g.: going up the ramp of a multi storey car park, at moderate speed and there will be a "scraping sound" from the left front tyre or when just turning right from a stand still. It sounds as if could be a steering pump low on fluid (but why would there then only be a noise...

Hi, my '88 190 (carb model) is making a strange rumbling sound when i execute left hand turns, sounds a bit like a wheel bearing thats gone (but it isnt), theres a slight virabation in the steering when it happens but not much and no sound coming from outside the car. I cant see anything...