New Seals Available For Parts Service Of Noncurrent Water Lines Group
Usage:
3406B (8TC, 4MG, 5KJ, 7FB) Truck Engines
Reference: Truck Engine News, May 1988, Page 2, "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:
1990/12/01 New Bronze Thrust Plate Used On Center Main Bearing Of Crankshaft Groups
1990/11/01 New Bearing Kits Used In Turbocharger Cartridge Groups
1990/11/01 Correct Procedures For Starting, Stopping And Transporting A Product With A Turbocharged Engine
1990/11/01 Service Tips For Piston Cooling Jets (Tubes)
1990/11/01 Use Status Screen On Electronic Control Analyzer Programmer (ECAP) When Checking The Calibration Of The Timing And Rack Sensors; Correction To Systems Operation, Testing & Adjusting for 3406B (PEEC) Diesel Truck Engine, Form SENR3485-01
1990/11/01 Service Manual SENR3479-04 Available For Troubleshooting Engine Test Procedures
1990/11/01 New Camshaft Has Improved Wear Resistance
1990/11/01 New Roller Camshaft Used
1990/11/01 Use Only Stainless Steel Cylinder Liner Shims To Salvage Damaged 4.75 ' Bore Cylinder Blocks
1990/11/01 Some Components Of The 7E3580 Engine Adapter Group For Allison AT545, MT543D, And MT653DRD Transmissions Are Not Serviced By Caterpillar
1990/11/01 Modification Of 1U7791 Valve Seat Driver
1990/11/01 New Exhaust Manifold Bolt Tightening Procedure
1990/12/01 New Engine Magnetic Speed Sensor
1990/12/01 Personality Module Software Updated; Do Not Troubleshoot Diagnostic Code 55 (No Detected Faults)
1990/12/01 New Rotor Used In Brakesaver Group; Regulator Valve Improved
1990/12/01 Remanufactured Camshafts And Cam Kits Available For Parts Service
1990/12/01 Tools Available For Out-of-chassis Dynamometer Testing Of Electronic Engines
1990/12/01 Improved Fuel Injection Pump Groups Have New Injector Groups
1990/12/01 New Air Compressor Crankshaft Has Improved Spline Lubrication
1990/12/01 New 7E5085 Bushing Replaces Former 2M4314 Bushing In Fuel Injection Pump
1990/12/01 Improved 9W1077 Start Switch Assembly And 7N4160 Heat Start Switch Group
1990/12/01 Correct Handling And Installation Of Temperature Switch Assemblies
1991/01/01 New 3E0020 Vehicle Speed Buffer Used
1991/01/01 Update Information For Exhaust Manifolds