01 v70 XC with 117K miles on it. At 112K it got a lot of attention (tranny flush w Toyota IV,timing belt, tranny software reset + upgrades, H20 pump, complete front suspension, front axle, hubs, crankcase system, turbo oil seal) I figured I was good to 200K mi.
Yesterday afternoon pulled onto the freeway going up hill. At ~65 MPH heard a pop from the drive train (assume transmission) and got off at the next exit. Drove a little further off the freeway the car would accelerate to 35 MPH so I figured I would get back on the freeway. It would accelerate to 50 MPH but not with the normal response. Got off and headed the 30 miles home. Drove down and up a large winding canyon most at 20 MPH. Car made it. At the top of the canyon there was a large uphill that is normally driven at 45 MPH, but the car would only do it at 25 MPH. After the canyon the flats were driven at 55 MPH but I could feel the transmission being indecisive. Made it home without a dash light for either engine or transmission.
This problem is unlike most that I read on line as the shifting at the lower gears is smooth. But I do not know how further I can go with it acting this way.
Looking for thoughts? Anyone else experienced this? To the experts out there does this sound like a full transmission replacement? Other things I should be looking for as part of the diagnosis?
If it is time for a new tranny, does anyone know if the upgrade valve bodies are the same used on the 03-07 models?
Look forward to getting the family vehicle back on the road.
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