Pulled speedo cable out....no change.

Ugh. Other ideas?
I really don't want to get a reman transmission because of this. I feel like I am so close here...

Clicking noise is road related, not engine speed related FYI.

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k