This Preliminary Information communication advises the technician that the 2014 Impala And Malibu 2.5L LKW Engine Exchange has ended. However the 2.5 (LKW) engine part number 12656342 Regular Production Option Code (NU6) and part number 12656343 RPO (NU5, NT7) are still on a General Motors Product Quality Center part restriction. Dealer will need to contact General Motors Product Quality Center for further assistance on restricted parts.
