When I put my fusion in reverse and turn the wheel it makes a knocking noise but it doesn’t happen every time. CV Axles (both sides), Spindle (passenger side), and Rack and pinion have been replaces. It also pulls to the right while driving and I have replaced all tires and have an alignment which is also chopping my tires. What can be causing the knocking noise?
Have no idea. You will need to pout it up on stands securely and operate the vehicle in a manner that reproduces the noise. And then narrow down where the noise is coming from.
Here is a great article on this sort of issue: Auto Repair – Where Do I start? – FreeAutoMechanic