Do you have service pack 1 for Inventor 2014 installed?
Also, do you have Update 1 for Inventor 2014 installed?
I tried to replicate the workflow:
1. Edit a part located in an assembly
2. Edit a sketch in the part (I note that the selection filter automatically updates to "select sketch features")
3. Next, I select and modify sketch figures and dimension in the sketch.
I am having a hard time replicating any problems with face selection as you mentioned. Perhaps you could post a screenshot or a video of the difficulties?
Can you assembly here that exhibits this behavior.
Is doesn't matter which assembly it occurs when editing a part in an assembly.
When I open the part, instead of editing in an assembly, then I can select the dimensions.
Can you attach an assembly here that exhibits this behavior on your machine and include screen captures that illustrate the problem so that others can try to reproduce exactly the same steps?
I have some video capture software installed now, so I will attempt to record it if I am able next time it occurs.
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