New Seals Available For Parts Service Of Noncurrent Water Lines Group{1380,1155,1378}
Usage:
3406B ( 8TC, 4MG, 5KJ, 7FB ) Truck Engines
Reference: Service Magazine; May 23, 1988; Page 18; "New Components Used In Water Lines Groups" for 3406B Truck Engines.
The 5K5959 Seal, in the noncurrent thermostat housing to water pump cover joint, can be replaced with 6L1651 Seal (1) for improved service life.
The 4F7387 Seal, in the oil cooler bonnets, can be replaced with 4H3243 Seal (2) for improved performance, especially during cold start-ups.
Location of seals. Typical example.
Caterpillar Information System:
1990/12/24 New 3E0020 Vehicle Speed Buffer Used{1914,1900}
1990/12/24 Update Information For Exhaust Manifolds{1059}
1990/12/24 Air Pressure Settings For Pneumatic Selector Control Valve On Reintjes® Marine Transmissions{3313}
1990/12/24 Installation Of Zinc Rods In Caterpillar Marine Engines{1350,1388}
1990/12/24 Incorrect Specification For Tightening Turbocharger Compressor Nut In Service Manual For 3306B Diesel Truck Engine, SEBR0545-01{1052}
1990/12/24 Sealed Alternators Available For Earthmoving Applications{1405}
1990/12/17 New Ether Starting Aid Groups Available{1456}
1990/12/17 Personality Module Software Updated; Do Not Troubleshoot Diagnostic Code 55 (No Detected Faults){1901,1902}
1990/12/17 New Rotor Used In BrakeSaver Group; Regulator Valve Improved{1155}
1990/12/17 New Bronze Thrust Plate Used On Center Main Bearing Of Crankshaft Groups{1203}
1990/12/17 Remanufactured Camshafts And Cam Kits Available For Parts Service{1210,1211,1212}
1990/12/17 Use The Marketing Publications Information Feedback Systems{0374}
1990/12/24 Oversized Intake And Exhaust Valve Seat Inserts Available For Spark-Ignited Engine Heads{1103}
1990/12/24 Auxiliary Oil Filter Groups Used To Increase Oil Capacity And Extend Oil Change Interval To 750 Hours{1318,7534}
1990/12/24 New Tube And Bracket Provide Clearance For Alternator{1380,1405}
1991/01/07 Checking Crankshaft Journal Surface Hardness On Remanufactured Crankshafts{1202}
1991/01/07 New Boost Line Hose Assemblies Withstand Higher Temperatures{1081,1057,1088,7554}
1991/01/14 4C8753 Extended Collet Available; Problems With 8T1002 Probe For Fuel Setting{0782}
1991/01/14 Air Compressor Manifolds Are No Longer Available{1803}
1991/01/14 New Battery Load Tester Available To Service Six, Eight, And 12 Volt Batteries{0785,1401}
1991/01/28 New Bracket Assemblies Used In Lifter Group{1209,1281}
1991/01/28 Special Instruction SEHS9298 Gives Installation And Maintenance Information For Gaseous Fuel Filters{1261,1262}
1991/01/28 New Top Piston Ring Improves Wear Resistance{1215}
1991/01/28 Be Sure To Check Inlet Valve Rotocoils After An Engine Overspeed{1109,1105}