Drivetrain shutter on a GX470 (1 Viewer)

[Vineyard45]

I get a drivetrain shutter at ruffly 40mph under a slight load, as in going up an incline. This only happens in 5th gear. If I down shift it instantly ceases. My guess is the torque converter is bad/fouled. Hoping a transmission flush will help. Looking for some confirmation. Honestly it's been like this for a looooong time and hasn't gotten worse but it drives me nuts.

 

[estoddart]

I’ve been having this exact same problem for a couple months now. Do a couple drain and fills of your transmission fluid. I have had zero shudder since I did that. Or probably better yet do a full tranny fluid swap.
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[estoddart]

Tranny fluid swap

 

[Vineyard45]

Thanks guys. Another one for the list