According to General Motors, the Eaton supercharger on the 6.2l LSA motors found in the 2009 - 2013 Cadillac CTS-V and the 2012 - 2013 Camaro ZL1 models may not function properly, causing the unit to develop a noticeable rattle noise at idle. The noise will normally go away when the engine revs start to rise, but the problem, if left unresolved, may lead to contamination of the internal shaft bearing grease and cause the bearing to squeal over time. This could lead to the bearing overheating, which in turn could cause the engine to seize or simply fail to start.
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| Image Source: GM Media |
GM dealers will replace the supercharger at no charge. Vehicle owners will receive a Special Coverage Adjustment for the problem. This special coverage covers the condition described above for a period of 10 years or 120,000 miles, whichever occurs first, from the date the vehicle is sent in to receive the new supercharger, regardless of ownership.
For more details, contact GM at 1-800-458-8006. You man also contact your local GM dealer if you have any questions.
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