Chevrolet Impala 2013–2014 — technical service bulletin
Bulletin 13283 · NHTSA communication 10246783 · issued Sep 1, 2013
Technical service bulletin
communication type
Engine and Engine Cooling
component
2013–2014
model years
4
vehicle entries
Official summary
Service Update for Inventory Vehicles Only Engine Piston Casting Error Expires September 30, 2014 - Equipped with 4 Cylinder Engine (RPO LCV or LKW)
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.