Honda CR-V 2017–2020 — technical service bulletin
Bulletin A21010D · NHTSA communication 10186013 · issued Jan 23, 2021
Technical service bulletin
communication type
Equipment
component
2017–2020
model years
4
vehicle entries
Official summary
ServiceNews Article - Before replacing a compressor or discharge hose for pressure leaks or not blowing cold, verify that no fibers are found on the O-rings section of the hose at the bulkhead of the vehicle. If found, remove the fibers and replace the O-rings, then recharge the A/C system.
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.