Down shift thump
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Joined: Sep 2002
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From: USA
Down shift thump
As I was moving slowly thru interstate traffic yesterday my transmission made a "thump" when shifting from 2nd to 1st! It felt like I had rode thru a pot hole! Anyone have any idea what might have caused this? 
2007 F150,25Kmiles,4R75E transmission
2007 F150,25Kmiles,4R75E transmission