neotechpc Posted March 12, 2019 Report Share Posted March 12, 2019 Feb 2019 build date. Went to accelerate out of a right turn on red, made it through whatever first gear it was using, heard a clunk and it just sort of stopped accelerating for about 1.5-2sec. Then it found a forward gear and continued. This is the only really BAD shift I've had, though I've had a few other non perfect ones. This was in non-sport mode, just regular D. About 300miles on it presently, so not a ton of testing. Curious about other experiences along these lines? It's one of those things that its going to be hard to reproduce when I eventually bring it in. Quote Link to comment Share on other sites More sharing options...
Fingernip Posted March 12, 2019 Report Share Posted March 12, 2019 55 minutes ago, neotechpc said: Feb 2019 build date. Went to accelerate out of a right turn on red, made it through whatever first gear it was using, heard a clunk and it just sort of stopped accelerating for about 1.5-2sec. Then it found a forward gear and continued. This is the only really BAD shift I've had, though I've had a few other non perfect ones. This was in non-sport mode, just regular D. About 300miles on it presently, so not a ton of testing. Curious about other experiences along these lines? It's one of those things that its going to be hard to reproduce when I eventually bring it in. My 2011 sport with the 6F55 did that a few times. eventually a TSB was released that addressed it. Seemed to almost skip 2nd gear most of the time after the TSB though. My ST has done a few really clunky shifts and the bucking into 3rd fairly frequently now but will only hesitate when traction control is needed (Moderate throttle around a sandy turn). 1 Quote Link to comment Share on other sites More sharing options...
WWWPerfA_ZN0W Posted March 12, 2019 Report Share Posted March 12, 2019 The 6F55 was introduced in the 2015 MY, for the Sport Are you referring to the valve body modification TSB, Fingernip? Quote Link to comment Share on other sites More sharing options...
Fingernip Posted March 12, 2019 Report Share Posted March 12, 2019 6 minutes ago, WWWPerfA_ZN0W said: The 6F55 was introduced in the 2015 MY, for the Sport Are you referring to the valve body modification TSB, Fingernip? I guess its the 6F50 then correct? Yeah was the valve body mod. Quote Link to comment Share on other sites More sharing options...
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