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Old 07-23-2014, 08:03 PM   #148
ZMEnow

 
Drives: ZL1, 2013, tri-coat-red, manual
Join Date: Nov 2013
Location: Michigan
Posts: 1,666
Quote:
Originally Posted by evonschu View Post
Has anyone noticed a minor vibration, almost faint chatter like noise around 800RPM or so after having this done? I had mine replaced and they said they had to lower the subframe 2" to do the replacement and ever since I've heard a very minor noise at about that RPM. Car drives fine otherwise.

I tried to bring it back but they just looked at me like I'm not giving it enough gas when engaging the clutch. Thing is I can hear it even when I'm at that RPM without using the clutch. Seems a bit louder if I'm turning when at that RPM. Plus I never heard it before they did the supercharger change. I think I'm gonna be a little more firm next time I bring it in for a free oil change to have them take care of this.

I just wanted to see if anyone else experienced this or if the dealership I took it to messed something up? Thanks for any input.
Documented, that's part of the issue with the solid Isolator, GM references that you may experience this in the TSB.
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