TSB PIP-4837 - NHTSA 10037126 - Shudder when cold

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daddyrim

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Just wondeeing if anyone has experienced the symptoms of shudder with their '07 newer 6 speed equipped 6.2L yukon denali or equivalent.

My '08 has developed a shudder when the transmission is cold, and the sympton can only be avoided if you let the truck warm up excessively, even in warm daytime temperatures. My research has led me to NHTSA 10037126 (PIP-4837) but I have not found anyone with a similar problem to date.

Has anyone experienced this? If so, what was the root cause and how did the dealer address it?

Thanks
 

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