has anyone else had tha problems that i have with crankshaft pulleys or better known as harmonic balancers? i have 91 tsi with 100,xxx miles and 96 tsi with 36,xxx miles on them. both spun or broke loose the rubber insert. neither was over tightened with belts nor were they oil soaked. is this common . am i the only one thats having this problem. any help would be appreciated. if any time i can be of help contact me, my e-male address is [email protected] p.s. i have 5 of these critters in our family. i work on them all the time bumper to bumper.