Trans shudder

[yoda009]

I'm a diesel tech and I believe my 6l80 is shuddering from 25-45 mph. Going to see if I can watch live data for converter with my diesel laptop this week. I'm concerned about replacing filter and fluid with my truck at 169k. I've also seen you mention it as a band aid. Besides the shudder the tranmission drives very nice. Only when it drops down to about 1100 rpms cruising it seems to start and feel like your driving over road bumps. Opinions? Would changing filter fluid trash it? TIA

 

[j91z28d1]

I'm no automatic transmission guy, but from reading this board with your mileage. the torque converter is trashed it's cluch and with every shutter is dumping trash thru the reat of your tranny.

you can try swapping converter now, but you really should refresh the whole tranny at this point. since you're a mechanic, put it on the rack as soon as possible and get a converter in it. you might catch it in time. but probably not.

 

[Joseph Garcia]

@NickTransmissions is our resident transmission expert, and he will chime in with his thoughts and perspectives.