RAM 2500 2017–2020 — technical service bulletin
Bulletin 9004245 · NHTSA communication 10176473 · issued May 13, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2020
model years
12
vehicle entries
Official summary
GASKET, Timing Case Cover, Rear Gear Housing For 2017-2020 model years only. If you are replacing the timing housing gasket due to an oil leak, please take detailed pictures of the leak, and submit them to the Star Center. Once submitted, continue with the repair. During the repair, check the breakaway torque of the gear housing retaining bolts. If any are found to be loose, note the location of the loose bolt(s) in the Star case.
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.