If we get a newer Odyssey, we're going with EOT 4 Life's nod to using the AmSOil Signature Series Synthetic Fuel Efficient ATF, or go with Red Line D6 ATF. Will continue to use AmSOil ATF in our current pair of Odysseys. I think when I do the 4x drain/refill on the Civic, an entire 10-ounce bottle of Lubegard Red will go into the mix. I'm just amazed at this latest information about Honda ATF DW-1 was not expecting it. Then again, that Civic 1.8L I-4 is a very light duty application. Is the ATF DW-1 not up to par? I just bought a case of it for our 2012 Honda Civic.I'm hoping that I did not make a mistake. This current Honda bulletin identifies that Honda ATF DW-1 is deteriorating far quicker than expected in the Gen 4 Odysseys under operator usage without an identified problem in the transmission. Interestingly, the only time I read about degraded Honda ATF-Z1 was during the engineering testing of the Acura 3.2 5-speed, but all of that was pinned on the identified low ATF flow state into the third clutch pack. Freeway driving without continuous heavy towing is pretty light work for any vehicle, even an Odyssey, and even though the Honda OEM trans cooler is about as tiny as they get, it is still better than nothing. We had one forum member hit 400,000 miles in his 2003 EX in less than five years. You've been driving a lot of freeway miles with TCC in lockup. NOTE: There is no need to call Tech Line before undertaking this ATF flush repair This is a temporary fix that does not affect the durability or life span of the torque converter until the software is developed. Once it is confirmed that the judder is coming from the torque converter, flush the transmission three times as indicated in the FLUSH PROCEDURE. For more information about capturing and interpreting the data, refer to the job aid Torque Converter Clutch Shudder and Vibration and the Tech2Tech® video "Interpreting Torque Converter Judder Snapshot Data." Take an automatic transmission snapshot and review the data. There are other aftermarket flush systems available, but American Honda does not recommend using them. NOTE: American Honda defines flushing the transmission as draining and filling the transmission with a drive cycle three times to help make sure the deteriorated fluid is removed. Make sure the customer is aware that this is a temporary fix and he or she will have to return once the software is available to make sure the transmission judder is resolved. Until the software is released, the judder can be fixed by flushing the transmission fluid as indicated in the FLUSH PROCEDURE. American Honda will revise this service bulletin when the software update is available. American Honda is working on a software update that will maintain the transmission fluid temperature within the desirable range under all driving conditions and eliminate the potential for this judder. The transmission fluid deteriorates quicker than expected when it is exposed to intermittent high heat loads under specific driving conditions. American Honda investigated the judder and found that the torque converter was not causing the judder rather, it was caused by deteriorated transmission fluid. The problem is typically diagnosed as a bad torque converter. A judder from the torque converter lock-up clutch may be felt while driving between 20 and 60mph.
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