My 6speed transmission was completely rebuilt at 235k km, that's about 146k miles.
Refurbished torque converter, mechatronic + new solenoid kit. Total cost 2100euro.
Take note, this is EU model 2.3D n47 engine. Transmission GA6HP19Z.
Started around 204k, 3->4 shift was slightly harsher. Nothing too bad, changed transmission fluid. Did not help.
Around 230k things went worse, noticed some weird stutters, bad gear shifts, slipping gears when transmission's oil reached higher temp. Eg when driving spirited in town or highway. Since it got really bad I had then rebuilt the transmission. Half year later now, no problems, drives better when I bought it at 200k km. Also remapped + xhp stg1 tune. Around 450nm.
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