RAM 2500 2021–2022 — technical service bulletin
Bulletin 9100112 · NHTSA communication 10229710 · issued Dec 15, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021–2022
model years
8
vehicle entries
Official summary
Gasket, Cylinder Head Cover For US dealers, and 21-22 model year vehicles only. If replacing the cylinder head cover/fuel injector harness gasket due to an oil leak, please also replace the following components: 1. 68445548A$ - Cover, Cylinder Head (includes gasket); 2. 05179087A$ - Housing, Rocker Arm; 3. 68005453A$ - Bolt and Grommet, Cylinder Head Cover to Cylinder Head (qty 6); 4. 05114418A$ - Gasket, Rocker Arm Housing; Engineering requires these parts for analysis to determine root cause of the leak. Once the repairs are complete, please contact FCA Redacted Content to set up a Fast Trac
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.