1994/01/17 Caterpillar

New Valve Cover Gasket Used {1107}

Usage:

All Caterpillar Machines Powered By 3116 Engines;
3116 Industrial, Marine, and Generator Set Engines;
3116 Truck 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:

1994/01/17 New Control Assemblies Used In Fuel Injection Control Groups {1298}

1994/01/17 9X6779 Radio Has No Memory {7338}

1994/01/10 New Diaphragm Used In Governor Air Actuator Group Improves Service Life{1265}

1994/01/10 The 1W-1420 Oil Cooler Bracket For Marine Gears Has Been Modifie{3320}

1994/01/10 Clarify Usage Of Parts Service Cylinder Head Gaskets{1124}

1993/12/27 Double Shielded Bearings Released {4471}

1993/12/27 Cleaning SR4 Generators {1404,4450}

1993/12/20 New Inlet/Exhaust Valve Has A Chrome Stem {1105}

1993/12/20 Carburetor Control Linkage (EG3P Governor) {1265}

1993/12/20 Exhaust Brakes Can Not Be Installed On All Remanufactured 3208 Engine Arrangements {1119}

1993/12/20 Procedure To Prevent Moisture From Collecting In The Hose Between The Air Inlet Manifold And Transducer Module (Boost Sensor) {1917}

1993/12/20 Replacement Of Earlier Truck Engines In General Motors Topkick And Kodiak Trucks {1000}

1994/01/17 Low Coolant Level Plate In Radiator May Cause False Coolant Level Readings {1353}

1994/01/31 Automatic Shut-Off Systems Not Recommended on Mobile Earthmoving Equipment {7418,7403}

1994/02/07 New Piston Body Has Improved Bonding Between Iron Band And Aluminum Body{1214}

1994/02/07 12 And 24 Volt DC Work Lights Are Available{0600}

1994/02/07 New Turbocharger Groups And New Turbocharger Cartridge Groups Have Improved Thrust Bearing And Turbine Ring Seal{1052,1053}

1994/02/07 Cylinder Head Gaskets Improved To Provide Better Fire Ring Retention{1124}

1994/02/07 Fuel Injection Pump Improvements{1251}

1994/02/21 Servicing Lighted Rocker Switches {1435}

1994/02/28 Soldering Iron Available For Field Use {0709,1400}

1994/02/28 New Retaining Compound Is Available {0649}

1994/02/28 New Turbocharger Models Have Left-Hand Threads On Compressor Nut And Turbine Shaft {1053,1052}

1994/03/14 Articles Pertaining To Commercial Engines Or Truck Engines {0374}