New Remanufactured Water Pump Groups Include Cast Iron Impellers{1361}
Usage:
3306, 3306B, And 3306C Truck Engines
New remanufactured water pump groups are available for these truck engine. The new remanufactured water pump groups include the 7N-5910 Cast Iron Impeller. Formerly, the 4W-9645 Nonmetalic Impeller was used. The cast iron impeller will provide increased service life. The chart lists the new and former remanufactured water pump groups. The former groups are canceled.
Caterpillar Information System:
1996/12/23 New Oil Supply And Drain Lines In Turbocharger Oil Lines Groups Used With "Mid-Mount", "New Mid-Mount", And "Low Mount" Arrangements{1307}
1996/12/23 New Thinner Exhaust Manifold Gasket Used{1059}
1996/12/23 July 1996 Software Release{1902}
1996/12/23 Check Turbocharger Seals If There Is A Sudden Increase In Crankcase Blowby{1052,1317}
1996/11/01 Fuel Injection Pump Bushings Have New Groove Adjacent To Load Ring {1251}
1996/11/01 Improved Fuel Pump Plunger Helps Prevent Plunger And Sleeve Scuffing In Service 8.5 mm Fuel Injection Pump Assembly For Sleeve Metering Fuel System (SMFS) Governor And Fuel Injection Pump Groups{1251,1286}
1996/10/01 Improved Water Pump Groups Available{1361}
1996/10/01 New O-Ring Seals Used On "Through-Head-Adapter" And "Internal Fuel Lines" In Fuel Injection Lines Groups{1252}
1996/10/01 Procedure For Installing Steel Core Gasket At The Front Housing And The Flywheel Housing{1151,1157,1162}
1996/10/01 New Torque Specification For Injector Rocker Arm Adjustment Lock Nut{1123}
1996/10/01 An Improved O-Ring Seal And Proper Use Of Adapter Locks Reduces Oil Leaks{1252}
1996/09/01 New Control Group Does Not Have An Oil Pressure Sensor And Requires Installation Of A Sensor Kit {1904,1924}
1997/01/27 Description Of August 1996 (AUG96) Software Modifications{1902}
1997/01/27 Points To Remember When Replacing A Viscous Crankshaft Damper Assembly With A Rubber Crankshaft Damper Assembly{1205}
1997/01/27 Timing Procedure Aid -Alignment Of Timing Gear Marks On 3406 Engines{1206}
1997/01/27 New Gasket Used Between Air Compressor And Front Housing{1803}
1997/02/24 New O-Ring Seal Used In Hydraulically Actuated Electronic Unit Injector (HEUI) Pump Group{1714}
1997/02/24 New Specifications For Pressure Drop Across The Air-To-Air Aftercooler{1063}
1997/02/24 Improved Bushing O-Ring Seal Available For Injection Pump Groups{1251}
1997/02/24 Summary Of Changes To Timing Advance Drive Groups (Update){1272}
1997/02/24 New Oil Supply And Drain Lines In Turbocharger Oil Lines Groups Used With "Mid-Mount", "New Mid-Mount", And "Low Mount" Arrangements{1307}
1997/04/01 Improvements Made To Remanufactured 0R-3008 Fuel Transfer Pump{1256}
1997/04/01 Description Of March 1997 (MAR97) Software Modifications{1920}
1997/04/01 New "Fuel System Reuse And Salvage Guides" Reference Manual Available{1250}