1994/01/01 Caterpillar

New Valve Cover Gasket Used{1107}

Usage:

3116 Industrial, Marine, and Generator Set Engines

Description of Change: A new valve cover gasket is used. The new gasket is made from a cork and rubber material. The former gasket was made from a steel core material with gasket material bonded to both sides.

Adaptable To: The new 105-1542 Valve Cover Gasket is a direct replacement for the former 9Y-8103 Valve Cover Gasket in all 3116 engine applications. The former gasket is canceled.

Before installing a new valve cover gasket, thoroughly clean the gasket surfaces of the valve cover and inlet manifold. Use 5H-2471 Cement or 8T-9021 Adhesive to hold the new gasket in place in the valve cover.

Valve Cover Bolt Tightening Sequence

Tighten the valve cover bolts in sequence shown in the illustration to a torque of 12 ± 3 (9 ± 2 lb ft).

Caterpillar Information System:

1993/12/01 Uses, Characteristics, And Removal of Castrol Tarp®, Tarp-B®, And 4164®

1993/12/01 Oil Guidelines For 3600 Engines

1993/12/01 New High Temperature Resistant Seal Group Available For Jacket Water Pump

1993/12/01 Carburetor Control Linkage (EG3P Governor)

1993/12/01 New Inlet/Exhaust Valve Has A Chrome Stem

1993/12/01 New Fuel Injection Lines, Clamps, And Brackets Used In Fuel Injection Lines Groups

1993/12/01 The 1W-1420 Oil Cooler Bracket For Marine Gears Has Been Modified

1993/12/01 Clarify Usage Of Parts Service Cylinder Head Gaskets

1993/12/01 New Fuel Filter Helps Prevent Hard Starting Due To Injector Wear

1993/12/01 New Control Assemblies Used In Fuel Injection Control Groups

1993/11/01 Training Available Via Videotapes For Service And Marketing Systems

1993/11/01 0R5207 Remanufactured Starter May Not Fit In Some Applications

1994/01/01 Low Coolant Level Plate In Radiator May Cause False Coolant Level Readings{1353}

1994/01/01 New Piston Body Has Improved Bonding Between Iron Band And Aluminum Body{1214}

1994/01/01 New Diaphragm Used In Governor Air Actuator Group Improves Service Life{1265}

1994/01/01 New 3161 Governors{1289}

1994/01/01 New Torque Specification For The Bolts That Fasten The Rear Housing To The Cylinder Block{1151}

1994/01/01 Proper Storage of Caterpillar Electric Set Generators{1404}

1994/01/01 List of Service Publications

1994/02/01 Fuel Injection Pump Improvements{1251}

1994/02/01 Cylinder Head Gaskets Improved To Provide Better Fire Ring Retention{1124}

1994/02/01 New Turbocharger Groups And New Turbocharger Cartridge Groups Have Improved Thrust Bearing And Turbine Ring Seal{1052,1053}

1994/02/01 Oversize Valve Guides And Valve Seats Available{1103,1104}

1994/02/01 Improved 1R-0716 Oil Filter Should Be Used On 3500 Engines{1318}