IIIF Timeline 07:24 Monday, May 2,

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Louise Hensley
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1 IIIF Timeline 07:24 Monday, May 2, Revised Ring Sticking definitions implemented Oil Consumption as a test validity criteria dropped First occurrence of BC4 Oil Filters in LTMS data First occurrence of LC camshafts in LTMS data First occurence of BC5 Oil Filters in LTMS data Draft 3 of the Sequence IIIF Test Procedure released MRV & CCS Testing of used oil samples added Valve train assembly using build up oil implemented Industry exceeded PVIS EWMA Severity Warning New QI U&L Values implemented First occurrence of BC5 Pistons in LTMS data First occurence of Valve train assembly using build up oil in LTMS Industry control chart on PVIS returned within EWMA Severity Limit. Alarm caused by failing test result on one test stand Oil Consumption as a test interpretability criteria added Industry exceeded WPD EWMA Severity Warning First occurrence of BC6 Pistons in LTMS data First occurrence of BC3 Valve Springs in LTMS data Industry control chart on WPD returned within EWMA Severity Limit. No test results failed and no cause for alarm condition identified First occurrence of BC7 Pistons in LTMS data Reference Oil 1008 test targets updated First occurrence of MB camshafts in LTMS data First occurrence of BC8 Pistons in LTMS data First occurrence of BC6 Oil Filters in LTMS data Condenser Flow QI requirements dropped New oil addition at EOT dropped Condenser part number corrected Revised dipstick calibration curve implemented Revised MRV & CCS test procedures Upper limit of 8000cSt for viscosity measurements established Reexamination of Engine Speed and Condenser Coolant Out Temperature QI U&L values performed; no changes made Reference oil introduced. Standard deviation from oil 433 used for PV60 target First occurence of BC7 Oil Filters in LTMS data Reference Oil 1008 test targets updated

2 IIIF Timeline 07:24 Monday, May 2, Screened Average Cam-plus-lifter Wear (SACLW) replaces Average Cam-plus-lifter Wear (ACLW) as pass/fail parameter Valve train assembly using test oil reintroduced into IIIF test First occurrence of engine builds using test oil for valvetrain lubrication in LTMS First occurrence of BC9 Pistons in LTMS data First occurrence of BC4 Valve Springs in LTMS data Sequence IIIF-HD Test Procedure Published First occurence of BC10 Pistons in LTMS data Reference oil 1006 test targets updated based upon Surveillance Panel action on 11/15/ Reference oil introduced First occurrence of MK camshafts in LTMS data Industry exceeded WPD EWMA Severity Warning Industry control chart on WPD returned within EWMA Severity Limit. Alarm caused by differing lab severity levels. No tests failed and labs showed good precision in general Reference Oil test targets updated Revised Sequence IIIF Test Procedure Published Sequence IIIFHD Test Procedure added to Revised Sequence IIIF Test Procedure. Editorial changes to IIIF Test Procedure also made and do First occurrence of BC11 Pistons in LTMS data Oil Filter and Oil Cooler Replacement Guidelines issued Reference oil introduced. Test targets from oil used for initial five reference oil tests based on actions taken at 5/16/02 Surveillance Panel meeting External Oil Bypass Valve System & Modified Oil Filter Adapter Industry control chart for WPD exceeded the EWMA Precision Warning First occurrence of BC12 Pistons in LTMS data Industry WPD control chart back within EWMA Precision Limit. Alarm caused by single failing test result First occurrence of NF camshafts in LTMS data Reference oil test targets updated First occurrence of BC5 Valve Springs in LTMS data Industry control chart for APV exceeded the EWMA Precision Warning Industry control chart for WPD exceeded the EWMA Precision Warning Reference Oil test targets updated Industry control chart on WPD returned within EWMA Precision Limit. Alarm caused by differing lab severity levels. No tests failed and labs showed good precision in general Reference Oil test targets updated First occurence of NJ camshafts in LTMS data

3 IIIF Timeline 07:24 Monday, May 2, Industry APV control chart back within EWMA Precision Limit. Alarm caused by large differences in laboratory severity, with opposite SA's. No problems identified and all stands calibrated Industry control chart for PIVS exceeded the EWMA Precision Warning New Oil Filter Industry exceeded APV EWMA Severity Warning Industry control chart for PIVS back within the EWMA Precision Warning. Alarm caused by four failing results on two stands, at different labs. One stand successfully calibrated, the other removed New Front Cover and Oil Filter Housing Sequence IIIG Dipstick Calibrated Flask for Initial Oil Charge Reference oil test targets updated Industry control chart on APV returned within EWMA Severity Limit. Alarm caused by failing test result on one test stand Industry exceeded PVIS EWMA Severity Warning First occurrence of PE camshafts in LTMS data Revised Fuel Pressure Specification Automatic Parts Washing Machine Maintenance Requirement Main Bearing Bore Mandrel Procedure made optional Piston Ring Cleaning Requirements Additional Allowable RTV Sealing Compounds Main Bearing Cap Bolt Replacement Specification Revised Camshaft Measurement Procedure Revised Camshaft Lubrication & Installation Procedure Revised Oil Consumption Reporting Procedure Fluid Conditioning Module Equipment Specifications Revised Camshaft Measurement Equipment Specifications Rating Workshop Attendance Requirement First occurence of BC13 Pistons in LTMS data New Honing Procedure approved and added to Assembly Manual First occurrence of PK camshafts in LTMS data New Solvent Specifications Industry PVIS control chart back within EWMA Severity Limit. Alarm caused by failing tests on two test stands. One caused previous EWMA Precision Alarm. Both successfully calibrated Reference oil test targets updated.

4 IIIF Timeline 07:24 Monday, May 2, Reference Oil test targets updated Revised Intake Manifold Gasket Additional Allowable Sealing Materials First occurrence of BC14 Pistons in LTMS data Undercrown Rating Area Definition Clarification Flow Meter Specifications MRV Reporting Amount of Test Oil Used in Camshaft Lubrication Reference Oil test targets updated First occurrence of Powdered Metal Connecting Rods in LTMS data First occurrence of PM rods Powdered metal rod torque specs New front and rear main seals New oil pan gaskets New exhaust valves Editorial changes to precision statements First occurrence of RH camshafts in LTMS data First occurrence of BC6 Valve Springs in LTMS data First occurrence of BC15 Pistons in LTMS data Updated precision statements Provisions for alter calibration periods for oil test programs Engine build worksheets Clarifications to solvent specifications First occurrence of BC16 Pistons in LTMS data Industry exceeded PVIS EWMA Severity Warning. Investigation into the alarm is ongoing Corrected errors in Table A Revised requirements for raters to attend rating workshop Allowed use of Torque Wrench ETW Added fuel monitoring requirements Revised aromatic specifications for fuel Added procedural enhancements developed at the Unified Engine Build Revised Table A4 to clarify Test Methods to be used for analysis Revised references for alipthatic naphtha to degreasing solvent Change to PMNS rods, updated part numbers

5 IIIF Timeline 07:24 Monday, May 2, Change in rater calibration requirements Added IIIFVIS test procedure Changed designation of IIIFVIS to IIIFVS Updated Table A4 to reflect metric Units Added substitue Rocker Cover Bushing to Test Method Change name of Rater Calibration workshop Added provisions to allow test stand to be calibrated as IIIF and IIIG Dropped requirement to send hard copy test report to TMC BC7 valve springs found out of square, material to be returned to vendor Editorial Change, corrected Annex reference in Revised QI limits for condenser coolant temperature Allow use of teflon tape and 1/16" thermocouples Added additional criteria for replacement of oil filter Allowed use of real time measurement systems for verification of AFR sensor Enhancements for pre and post cam measurements NOx measurements no longer required Revised calibration periods for multiple stand labs

Report On Sequence IIIG Evaluation. Version. Conducted For. NR = Non-Reference Oil Test RO = Reference Oil Test

Report On Sequence IIIG Evaluation. Version. Conducted For. NR = Non-Reference Oil Test RO = Reference Oil Test Report On Evaluation Version Conducted For V = Valid I = Invalid N = Results Cannot Be Interpreted As Representative Of Oil Performance (Non-Reference Oil) And Shall Not Be Used For Multiple Test Acceptance