Jeep Wrangler 2019–2024 — technical service bulletin
Bulletin 9100247 · NHTSA communication 10247404 · issued Oct 2, 2023
Technical service bulletin
communication type
Back Over Prevention
component
2019–2024
model years
11
vehicle entries
Official summary
ERG Hydraulic Tensioner Before replacing any FEAD components, please check FEAD belt layout as per the engine sales code. Customer complaint may include a noise from under the hood described as a squeal, screech, squeak, chirp or belt-related noise and/or noisy tensioner/pulley. Please refer to SOL# S2309000007.
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.