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RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Encore 2011–2021technical service bulletin

Bulletin 19-NA-101 · NHTSA communication 11006376 · issued Jul 25, 2024

Technical service bulletin
communication type
Engine
component
2011–2021
model years
30
vehicle entries

Official summary

This service bulletin provides a procedure to replace the intake manifold if diagnostics has found the Non Return Valve missing to correct customer concerns of possible oil consumption and//or leaks.

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.