If you find that the smooth ride of your Porsche is disrupted by an ugly shudder or vibration as you take a curve, you may need to install a new Porsche axle assembly. Your Porsche is a mechanical wonder, designed for high performance and dependability. It is also a sensitive machine, and when something is out of whack, especially something as important as a Porsche axle assembly, it is essential to take care of it right away, before it causes further problems. It helps to be aware of the more subtle symptoms associated with a Porsche axle assembly that is starting to age. That way, you can avoid letting that excessive vibration go on too long, as you rule out the other potential sources, one by one. That's important because the excessive vibration can loosen the suspension parts and other drive train parts located near the Porsche axle assembly. If you notice uneven wear of the tire tread that can't be attributed to another source, such as improper balancing or tire fill pressure, you could be on your way to needing a new Porsche axle assembly. Look for leakage around the constant velocity joints, also referred to as CV joints. If there is fluid, and the fluid is thick, black and feels gritty, that means that not only is there significant leakage, but there's a good change that damaging dirt and grit is working its way into the Porsche axle assembly. This is especially true if part of the cover of the CV joint is worn away and the inner parts are exposed. In that case, it is not the best thing for your Porsche to put off installing a new Porsche axle assembly.