Jeep Wrangler 2021 — technical service bulletin
Bulletin 0809521 · NHTSA communication 10221325 · issued Jun 5, 2021
Technical service bulletin
communication type
Visibility
component
2021
model years
1
vehicle entries
Official summary
Electric A/C Compressor (EAC) System Noise During Warmup and Under Load This bulletin serves as awareness for the operation of the electric A/C Compressor pump noise.
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.