Sometimes when my truck shifts into overdrive the tranny shudders until I back off the pedal then does fine. The problem is worse when pulling my boat especially when i start up a decent size hill. It shifts normal when I disengage OD, also the overdrive crapped out around 20k miles and complete unit was replaced then. It's been doing this for over a year and hasn't really been much of a problem but it's a pain when i gotta slow down lol

 

I'd say your TC is slipping. Don't delay long or the metal shavings will destroy the AT if it's not already too late. I've replaced mine with the BD convertor with excellent results. My AT has been rebuilt 2X, the second using all BD HD components and the TC. There are many HD convertors and tranny parts sold that make the 47RE tranny practically bullet proof. BTW, replacement TC's are tougher now than when I bought mine, through improvements and new technology.

 

harleydog:<br><br>Welcome to the website!<br><br>I agree 100% with what &quot;Ray&quot; and &quot;Smokin Green<br>Monster&quot; have already told you! My original stock<br>transmission did the same thing at about 98,000 <br>miles and I can tell you it will only get worse if you<br>ignore it! You definitely have a TC problem and I<br>can pretty safely say that your clutch packs are<br>probably worn pretty good. <br><br>As they said, get something done real soon!<br><br>Good luck!<br><br>-------<br>John_P