RAM 1500 2021–2026 — technical service bulletin
Bulletin 9100702Rev1 · NHTSA communication 11031333 · issued Apr 7, 2026
Technical service bulletin
communication type
Engine
component
2021–2026
model years
6
vehicle entries
Official summary
Camshaft cap bolts within the cylinder head assembly may cause damage to other components. DO NOT replace entire long block when only left OR right cylinder heads need to be replaced.
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.