Buick Enclave 2025–2026 — technical service bulletin
Bulletin PIP6101 · NHTSA communication 11028704 · issued Feb 7, 2026
Technical service bulletin
communication type
Unknown OR Other
component
2025–2026
model years
14
vehicle entries
Official summary
The document makes technicians aware of a valvetrain tick noise that is created by one or more soft lifters. The soft lifter concern is due to manufacturing debris within the lifter when it was manufactured. The document instructs the technician to replace the soft lifter(s) and the rocker arm it operates.
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.