GM Extends Supercharger Warranty On 2009 – 2013 Cadillac CTS-V

The Car Connection has reported that GM has found a problem with the supercharger on select 2009 – 2013 Cadillac CTS-Vs. On affected vehicles, the supercharger may not perform as designed, resulting in contamination of the unit’s internal bearing shaft grease. When the problem is present, a rattle can be heard emanating from the engine …

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