Chevrolet Blazer 2020–2021 — technical service bulletin
Bulletin PIE0630A · NHTSA communication 10210442 · issued Apr 7, 2022
Technical service bulletin
communication type
Unknown OR Other
component
2020–2021
model years
3
vehicle entries
Official summary
This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to air conditioning repairs, or other repairs the require the evacuation of the a/c refrigerant.
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.