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CTS V Coupe - 2011
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Discussion Starter #1
I am going to be getting a new supercharger next week -- per the "rattle" special attention notice. GM is covering it, since they deem I have the "rattle" -- so that's good I suppose. --- I was just wondering if anybody who has had this done has had any problems with the process or with the new supercharger? -- and will I notice any difference in how it performs/drives, etc? -- Thanks
 

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2011 CTS-V A6 Sedan Modded :)
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710 Posts
No change unless your blower was worn out. You might hear a different noise. Some do some don't. I believe the spring isolator was designed to reduce gear whine so you might hear some of that. I noticed no noise differences other than the lack of the marbles in the blower sound. But my car is also a lot louder than stock.
 

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CTS V Coupe - 2011
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60 Posts
Discussion Starter #3
thanks -- I really don't have any issues with it as it is -- no noises when driving -- just some occasional rattles and such at idle or when parked. I guess they heard the noise they wanted to hear, and doing the replacement as a precaution.
 

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2009 cts-v
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968 Posts
I am going to be getting a new supercharger next week -- per the "rattle" special attention notice. GM is covering it, since they deem I have the "rattle" -- so that's good I suppose. --- I was just wondering if anybody who has had this done has had any problems with the process or with the new supercharger? -- and will I notice any difference in how it performs/drives, etc? -- Thanks


If they are going to want to take it for a "test drive" after the supercharger replacement you might want to make sure they wait until you are present so you can go along for the ride.
 
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