Quote:
Originally Posted by RickB
If it is made of two or more parts assembled by humans or machines and is subject to movement, vibration, temperature changes, or manipulation - intentional or otherwise - it will come apart sooner or later.
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I would have thought "later" to be the operative word. The other year the U-joints in my 1987 BMW 635 were so worn out that they were allowing the drive shaft to move around enough to contact a heat shield mounted just above it. Obviously continuing to drive it this way would resulted in their complete failure. But I ws amazed at how messed up they coud be and still function. Which is why the failure of Mark's driveline is such a surprise. I assume it's still under warranty?