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Discussion Starter #1 (Edited)
From the June 5, 2014 issue of GM TechLink (internal service bulletin for GM technicians), we see potential 2014 StingRay mechanical issues concerning:

Cracked rotors; driver's seat inoperative; door mirror's inoperative; and panels touching (front of door panel to rear of fender panel).


NOTE: The third column from the left tells the service technician what TO DO; the second column from the right tells the service tech what NOT to do.
 

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Thanks elegant. That gives a great idea what to expect if one of those issues arises. I wonder if there will be a bulletin on radiators soon.

Michael
 

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This sort of information is updated only monthly and seems to lag the issues we see here posted by owners by (in some cases) several months. I as a rule don't initially find out about issues until owners report them. It is important that owners pro-actively report "their" issues so that we can keep an eye on how wide spread (or not) they become.
 

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This sort of information is updated only monthly and seems to lag the issues we see here posted by owners by (in some cases) several months. I as a rule don't initially find out about issues until owners report them. It is important that owners pro-actively report "their" issues so that we can keep an eye on how wide spread (or not) they become.
Absolutely! For instance, after seeing others on our forum report the same issue I just had to deal with, I think it reduced the shock factor of "being the only one".

Michael
 

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Surprised to see cracked rotors. My non Z51 front rotors are almost 1 1/2" thick (1.435 I mic'ed them) rear rotors are 1.035
Must be some very hard track use to warp / crack such a thick rotor, are Z51 rotors even thicker?
 

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The reports of these cracks that I've read about aren't full thickness cracks, but seem to only be surface related without much depth.
 

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Surprised to see cracked rotors. My non Z51 front rotors are almost 1 1/2" thick (1.435 I mic'ed them) rear rotors are 1.035
Must be some very hard track use to warp / crack such a thick rotor, are Z51 rotors even thicker?
Notice the document covers anything produced in Bowling Green since 2005, which covers many different sizes and styles ( plain, slotted, cross-drilled) of rotors over 10 years, so it just a general notice, not aimed at any particular part number.
 

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I like the second column....you NEVER share known issues with customer.

The forums are a great place to find issues before other sources.

On the brakes, I believe this is the result of improper heat cycling when new.....but not certain yet.
 
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