When I turn into a corner both right or left my.

Turn the wheel lock to lock while engine running and in park, we are checking to see if it will happen when car is stationary. If it does the "dive" you are complaining about then have one person inside vehicle turning wheel side to side while a helper is checking suspension parts. A little "dive" sensation is something normal to an extent. How long havehe car? You owned car? Did this start right around the same time as something else with the vehicle?