1996/03/27 Caterpillar

Improvements To Camshafts, Unit Injector Rocker Arms, And Valve Rocker Arms{1123,1210}

Usage:

3406E (5EK) Truck Engines

Improvements are continually being made to the camshaft, unit injector rocker arm and valve rocker arm. Because of these improvements, the component part numbers and the identifying marks have also changed. The following charts list the part number and identifying mark changes. The charts also identify the effectivity of the changes.

Caterpillar Information System:

1996/03/27 Camshaft Conversion Kits Available{1110}

1996/03/27 Electronic Changes And Features{1901}

1996/03/27 Personality Module Covers On Electronic Control Modules (ECM'S){1902}

1996/03/27 Uprateability Improvements{1902}

1996/03/27 False Logging Of Cylinder Fault Codes While Using The Engine Retarder{1900,1901,1119}

1996/03/27 New Jake Brake Slave Piston Lash Setting{1119}

1996/03/27 Possible Sources of High Crankcase Blowby From Breather Tube{1317}

1996/02/26 New Speed/Timing Sensor {1912}

1996/02/26 Engine Coolant Loss And/Or Overheating Can Be Caused By Incorrect Shunt Line Connection{1380}

1996/02/26 Troubleshooting Information For Horton Diesltemp© Fan Clutches{1359}

1996/02/26 New Oil Pan Resists Cracking{1302}

1996/02/26 Modification For 9U-7256 Guide Assembly (Camshaft){1210,0701,0702,0703}

1996/03/27 Fuel Injection Pump Barrel Sealing Face Reconditioning{1251}

1996/03/27 Fuel Injection Nozzle Reference {1254}

1996/04/19 New Star-Burst Perforated Steel Core Exhaust Manifold Gasket Provides Longer Service Life{1059}

1996/04/19 Viscous Damper Assembly Used In Production{1205}

1996/04/19 Unit Injector Adjustment Reminder{1290}

1996/04/19 Things To Check BEFORE Replacing An Electronic Control Module (ECM){1901}

1996/04/19 Check Valve May Be Needed To Accurately Measure Engine Return Fuel Flow{0706,0774,0782}

1996/05/28 Turbocharger Wastegate Settings{1052}

1996/05/28 New Exhaust Manifold End Section Used In Exhaust Manifold Groups{1059}

1996/05/28 New Gaskets And Fasteners Used In Front Cover-To-Plate And Plate-To-Block Connection; New Gear Assembly And Bearing Used In The Front Gear Train{1151,1162,1206}

1996/06/24 New Strap Used In Alternator Mounting Groups{1357}

1996/06/24 New Belt Tighteners Used In Alternator Mounting Groups{1358}