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RecallGazette

Vehicle problems, recalls & safety intelligence

Buick Century 1994–1997technical service bulletin

Bulletin 776001 · NHTSA communication 51302 · issued Mar 1, 1997

Technical service bulletin
communication type
Engine and Engine Cooling
component
1994–1997
model years
26
vehicle entries

Official summary

Knock, rattle or tap noise from the engine before the engine has reached operating temperature or under light load conditions at operating temperature knock, rattle or tap noise from the engine before the engine has reached operating temperature or under light load conditions at rature (replace piston and/or rod assemblies). *tw

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.