1985/12/01 Caterpillar


Gasket Leakage On Aftermarket Fuel Filters

Usage:


3400 Series Truck Engines

There have been reports that some aftermarket fuel filters do not seal correctly on the 3400 Series Truck Engines. The gasket projection on these fuel filters is insufficient for correct sealing. Do not replace the filter base for this problem.

Use only a Caterpillar 4N5823 Fuel Filter on 3400 Series Truck Engines to guarantee correct fuel filter performance.

Caterpillar Information System:

1985/12/01 New, Tougher Gasket Used Between Block And Front Housing
1985/12/01 Use Care When Handling Turbocharger Compressor Wheels
1985/12/01 Canister Size Of Coolant Conditioner Element Has Changed
1985/12/01 New Ratchet Wrenches Available For Tube Fittings
1985/12/01 Service Life Of Oem Primary Fuel Filters
1985/12/01 New Fuel Ratio Control Group Used On Engines Equipped With New Scroll Fuel System
1985/12/01 Faster Response Water Temperature Regulators; Service Simplified
1985/12/01 Bolt Removed From Governor And Fuel Injection Pump Group
1985/12/01 Crankshaft Seal Usage On 3400 Series Truck Engines
1985/11/01 Caterpillar Offers Remanufactured Turbocharged 3208 Engines At Significant Savings
1985/11/01 New Retaining Rings Used In Brakesaver Groups
1985/11/01 Anti-seize Compound And/or Grease Not To Be Used On Fuel Pump Bonnet Retaining Bushings
1985/12/01 Later 3406B And 3408B Truck Engines Have Higher Minimum Coolant Temperatures
1986/01/01 New Service Tools Available
1986/01/01 Put Grease On Front Crankshaft Seal Before Installing The Crankshaft Pulley And Damper
1986/01/01 Fuel Sulfur Analyzer Available
1986/01/01 Oil Total Base Number (TBN) Test Kit Available
1986/01/01 How To Use Temperature And Pressure Probes With Self-Sealing Probe Adapter Groups
1986/02/01 High Silicates In Antifreeze
1986/02/01 New 8T2998 Lubricant Available
1986/02/01 Longer Bolts Used In Turbocharger Air Lines Groups
1986/02/01 Truck Engine Performance Checklist Available For North American Dealers
1986/02/01 New Cylinder Liner Available
1986/02/01 Special Instructions Packaged With Turbocharger Cartridge Repair Kits May Be Incorrect
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