RAM 2500 2015–2016 — technical service bulletin
Bulletin 05086755 · NHTSA communication 10223859 · issued Sep 14, 2016
Technical service bulletin
communication type
Engine and Engine Cooling
component
2015–2016
model years
6
vehicle entries
Official summary
Rear Crank Shaft Oil Seal and Retainer Plate For Cummins equipped vehicles only;~ If you are working on a 2015 or 2016 vehicle ONLY and are replacing the Rear Main Seal for oil leak, replace seal, retainer and gasket using PNs; 05086755A, 05086754A, 05015705A. Remove the retainer with the seal installed. Please do not disturb seal in retainer when removing from engine. Please refer to detailed repair instructions in DealerConnect TechConnect for oil seal retainer replacement.~ Cummins Engineering is currently investigating the root cause of the oil leak concern and would like to analyze these
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.