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I took ownership of my crystal red C7 (auto trans) on 10-4-13, no problems with a FIRST in my neighborhood STINGRAY model year! I noticed this noise months ago and decided to wait for the 7500 mi checkup/oil change etc... told the service mgr it sounds like gravel in the exhaust system, but not really noticable under load(or at running temps). As expected the tech did not hear the noise and needed to keep it overnight for a cold start check. I now need a new torque tube, takes a week to get the parts and 3 days to install it! This is a major structural part, 'breaking' apart the trany/LT1,, now reading about possible crank damage,,, OUCH! Scheduled install/FIX is next week.
QUESTION: I notice that downshifting (slowing down) using the manual paddle shift, the transmission CLUNKS from 3rd into 2nd gear. Does anybody experience this 2nd gear manual hard shift?? This might have something to do with the problem/failure, Thx, Jim
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