Chrysler 300 2017–2019 — technical service bulletin
Bulletin 9003763 · NHTSA communication 10170310 · issued Dec 11, 2019
Technical service bulletin
communication type
Power Train
component
2017–2019
model years
9
vehicle entries
Official summary
Transfer case seal, Transmission Output Seal If vehicle has a fluid leak between the transfer case and the transmission on an AWD vehicle and it has been determined that the transfer case is leaking from the vent hole, don't replace the input seal. The vehicle can be repaired by: Transfer Case replace - 68214750A$ 3.6 Pentastar 68214751A$ 5.7 Hemi Replace Front Case Half - 68101734A$ 3.6 Pentastar 68101734A$ 5.7 Hemi Note: The transfer case oil already has dye in it so leak confirmation with a black light can be achieved.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.