Hyundai Sonata 2020 — technical service bulletin
Bulletin 20-DS-001H(1) · NHTSA communication 10174802 · issued Apr 9, 2020
Technical service bulletin
communication type
Equipment
component
2020
model years
1
vehicle entries
Official summary
Certain 2020MY Sonata (DN8) vehicles may exhibit a grease leak coming from the right side, inner CV axle boot area. This bulletin describes the procedure to replace the right side CV axle boot on the differential side (inner) on certain 2020MY Sonata (DN8) vehicles.
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.