Jeep Gladiator 2022 — technical service bulletin
Bulletin 0900322 · NHTSA communication 10212372 · issued Mar 1, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022
model years
3
vehicle entries
Official summary
Yellow Warning Labels on the 3.0L Diesel Engines Cylinder Head Covers This bulletin outlines the correct procedure for all the repairs that involve: Fuel Injector(s). Cylinder head(s). Cylinder head cover(s). The engine may have a yellow warning label applied to the plastic cylinder head cover to alert the technician special procedures required for Injector Removal/Install. Failure to follow the procedure can result in excessive engine soot. If specific yellow warning labelsFig. 1are applied on engine cylinder head cover(s), follow the procedures reported in this bulletin.During the following
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.