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RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Encore 2011–2019technical service bulletin

Bulletin 19NA101 · NHTSA communication 10161948 · issued May 7, 2019

Technical service bulletin
communication type
Engine
component
2011–2019
model years
28
vehicle entries

Official summary

This technical bulletin provides a procedure to replace the intake manifold if diagnostics has found the Non Return Valve missing.

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.