Bummer dude. Not that it matters now but I have used super glue at the end of cracks to keep them from growing before. Not sure if it really works or the cracks were done cracking but thought I would share.
The alternator seems fine??? You should go have it tested and make sure they test the diode. The symptoms you describe are often caused by the alternator going bad. The voltage might be correct but a bad diode can cause these issues. If you do replace it get one for a 2010. It's a different...
You might have a slightly sticking caliper. It might be that it is not releasing all of the way and staying in slight contact with the rotor. That's why it goes away when you press the brakes and is intermittent.
It has been a while since I have been underneath there but I think you will have issues with the shock before the sway bar comes into play. Could be wrong though. But if the bar is an issue you can always switch to the Extreme antiroll bar. The mounting points for the bar are well inboard from...
If your putting together your own fuel system you can always get an in-line sensor adaptor from somewhere like aeromotive. The one that I have just goes in the fuel line and the sensor screws right in.