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    1. TSBs

    Fixing Honda Casting Issue

    Feb. 3, 2023
    This bulletin applies to 2016-2017 Honda Pilot Touring and Elite vehicles. Because of a transmission case casting flaw, the inside of the torque converter bracket hole in some 9-speed automatic transmissions is porous enough that ATF could leak from the hole. As a temporary fix, the factory installed a sealing bolt in that hole
    Photo Credit: Mitchell 1
    Note the location of the sealing bolt the factory installed on earlier cases.
    Note the location of the sealing bolt the factory installed on earlier cases.

    This bulletin applies to 2016-2017 Honda Pilot Touring and Elite vehicles. Because of a transmission case casting flaw, the inside of the torque converter bracket hole in some 9-speed automatic transmissions is porous enough that ATF could leak from the hole. As a temporary fix, the factory installed a sealing bolt in that hole.

    The casting issue has since been resolved and later castings don’t have this issue. If you order a reman transmission and the serial number is higher than Q5NB0116449 (2WD) or higher than Q5NC0133827 (4WD), you will have the revised transmission and no sealing bolt is needed.

    About the Author

    Information courtesy of Mitchell 1

    Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

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