While the rear suspension assembly bolts on to the engine and eight - speed automated manual transmission, the front suspension and electric motors are supported by a compact subframe. (automobilemag.com)
I know I can put WD - 40 to see if the noise goes away but there are dozens of smaller parts (parts of all 4 different suspension assemblies) and I don't want to lose track of the culprit by putting WD - 40 indiscriminately. (mechanics.stackexchange.com)
Always use a torque wrench during final suspension assembly. (mobiloil.com)