Help Guys!

I am stumped and search is not really finding this symptom

Problem:
Place Car in D - No pull. There is power, minimal. rev the engine and it get to higher gears.
When in D - Car will move with out throttle but veeery little.

Tried:
- Place the car in L. Works Fine. Like nothing is wrong
- Cycled through the Tcase and all is fine.
- No Dancing lights on Dash at start-up
- R is fine
- Will only get to first or low gear in L ( not in 2 ,3 or D)

Known issues
- I had chattering Idle; Now its gone. Mechanic told me it was the spring tensioner
- Changed ATF and filter plus seal a month ago. (could a leak do this?)
- Missing the "Clunk" when putting in D.
- The first time it occurred; power came back while stopped in D after a "clunk" was heard.
- Resealed axle boot

Thanks guys... This is really eating me..