RAM 1500 2019–2021 — technical service bulletin
Bulletin 0901122 · NHTSA communication 10226021 · issued Sep 3, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2021
model years
3
vehicle entries
Official summary
Cold Engine Ticking Noise From Exhaust Manifold Area This bulletin involves replacing the exhaust manifolds. The customer may describe an ticking noise from the exhaust manifold location(s) when cold.
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.