Ok, I didnt really explain the problem too well before. I will try again. We have some data taken in-vehicle, where we are seeing a peak at 250Hz which is in the order of 5.45. I am thinking this is either related to a resonance or bearings of some sort. The halfshaft bearings should be...
if you are talking about fasteners, then you really wont have a problem as there is always a corrosion protection coating on the fastener, besides steel and aluminium on the galvanic series are not too far apart and you also need a large delta for this to take effect, along with area and the...