My transmission revs up between even to odd gear shifts, 4-5, 6-7, 8-9,-10-11. It downshifts just fine. I have changed from econ. mode to performance mode and even manuel mode with no difference. I notice if i let off the fuel just before it shifts, it will not rev up. I have had the split pin issue fixed twice and have the clutch replaced at about 500000 miles when they had it out for last split pin issue. Has anybody experienced the same problems? If so, what did it take to fix it. Thanks
Detroit DT12 shifting problems
Discussion in 'Western Star Forum' started by NorCenArk, Jan 18, 2023.
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When’s last time you’ve changed oil and the filter in the transmission?
RocketyMan Thanks this. -
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Timm1q Thanks this.
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I will also keep you updated. Thanks -
The strange thing that a few months ago suddenly it started shifting good for 10000 miles and after that with the issue again.
Computer diagnostic doesn't show any faults
I did also relearn transmission, no changes at all -
Timm1q Thanks this.
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Last edited: Mar 7, 2023
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Timm1q Thanks this. -
Did anyone get this issue reso
Did anyone get this issue resolved yet? Im having the same issues unfortunately.
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