Service Bulletin #203
Aug 28, 2023
Undersized Turbocharger Journal Bearing: Affects New, rebuilt, or overhauled Aeroforce turbochargers manufactured by Hartzell Engine Tech with journal bearing P/N 406902-0000 between 10/31/2022 and 5/17/2023.
Service Bulletin #058 Rev. A
Jun 16, 2021
Turbocharger – Back Plate Assembly Replacement at Overhaul. Affects TH08 model turbochargers with P/N 406795-0058 Back Plate Assemblies.
Service Bulletin #079 Rev.A
Jul 10, 2019
Turbocharger Wastegate and Valve Assembly Inspection Turbocharger wastegate and valve assemblies P/N 470818-( ) and 470954-( ) are affected. Replacement of affected serial numbers is required.
Alert Service Bulletin #074 Rev. A
Dec 26, 2017
Turbocharger Center Housing Inspection. – Turbochargers containing certain serial number p/n 441320-12 center housings are affected. Replacement or factory inspection and rework of affected center housings is required. This center housing is used in several turbocharger models used on a… Read More
Service Bulletin #067
Sep 01, 2016
Turbocharger Wastegate Poppet Valve Replacement – HET P/N 477285-0002 Affects HET Wastegate Poppet Valve assembly P/N 470892-0002, -9002 (Continental P/N (R-)635381-2) used on HET Turbocharger assembly P/N 409680-(9,0)001, 409680-(9,0)011 (Continental P/N 640327-1, 640327-11).
Alert Service Bulletin #060 Rev. 1
Aug 28, 2014
Turbocharger P/N 441320-0007 Center Housing Inspection. Affects P/N 407540-(0,9)003 and 407800-(0,9)003 Turbocharger Assemblies with specified date coded center housings.
Alert Service Bulletin #057
Feb 11, 2014
Turbocharger Back Plate Assembly P/N 406795-0058 Replacement. Affects certain TH08 model turbochargers containing back plates produced between June 1, 2012 and September 30, 2013.
Alert Service Bulletin #048 Rev 3
Nov 04, 2013
Turbocharger TA0411 P/N 410188-0019 Turbine Wheel Replacement. Affects P/N 466642-(0,9)001, 466642-(0,9)002, 466642-(0,9)006 Turbocharger Assemblies with specified serial numbered turbine wheels.
Alert Service Bulletin #047
May 08, 2012
Turbocharger P/N 406610-0005 or -9005 & Turbocharger Center Housing P/N 409836-0005 Recall. Affects turbochargers with specified serial numbers and center housings with a specified date code.
Service Bulletin #042
Jun 30, 2011
Turbocharger Journal Bearing Recall. Affects HET P/N 407134-0000 turbocharger journal bearings with specified date codes.
