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I saw that article in Motor Authority a few days ago & gave Ana Mae with the GM RECALL HOTLINE (1-800-458-8006) a call. Apparently, I was the 1st one to call regarding the ZL1 CAMARO supercharger "rattle"/Service Bulletin issue. They handle CADILLAC CTS-Vs as well. At idle & various RPM ranges, affected blowers will emanate a "rattle"/vibration that goes away with a little more RPM or less as it develops a harmonic. I was told that failure of the bearing/isolator could cause fluid contamination leading to engine failure or the inability of the car to start. Ana gave me a "service request #" & a "supercharger warranty #" that amends the car's service/warranty profile for posterity. Not all 2012 - 2013 ZL1 CAMAROS are involved & a determination is made by VIN #. Naturally, my ZL1 #61 is involved, yet my car runs great... NO rattles, weird noises or other issues. She told me that details are being firmed up & procedures for addressing this problem will be finalized within 2 weeks & dealerships notified. Preliminary Service Bulletins are sketchy at best.
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