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 New Flywheel Assembly With Oil Dam Helps Prevent Premature Wear On Internal Splines {1156}

1994/01/17 New Tube Assembly With Bellows At Each End Used In Engine Air Lines Groups {1058}

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

1994/01/17 List Of Entertainment Radios For Earth Moving And Agriculture Equipment {7300}

1994/01/17 Improved 24-12 Volt Converters Available {1400,1421}

1994/01/17 Brake System Servicing {4005}

1994/01/17 Knocking Noise In Front Suspension Frame Group Can Be Eliminated With Shims {7200,7050}

1994/01/17 Cold Weather Instructions For Nitrogen Charged Tension Cylinders And Low Nitrogen Pressure Alarm System {4197}

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

1994/01/10 New Idler Pulley Assembly Used In Refrigerant Compressor Group{1802}

1994/01/10 Correct Position Of Clamp Assembly Is Required To Prevent Tie Rod Damage{4318,4329}

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

1994/01/24 New Flow Control Knobs Available To Improve Disassembly {5137}

1994/01/24 Heavy Duty Direction Signal Flasher Is Now Used {1430}

1994/01/24 Adjusting Front Wheel Bearings If The Spindles Are Too Long {4205,4201}

1994/01/24 O-Ring Seal Added To Heater Lines Group {1380}

1994/01/24 Removing And Installing Front Suspension Cylinders {7201,7200}

1994/01/24 Higher Output Alternator Used {1405,1406,1400}

1994/01/24 Longer Adapter Used To Prevent Hose Chafing In The Steering Lines Group {4304,4300}

1994/01/24 Tail Gate Lines Group Changed To Prevent Hose Contact With Back-up Lamps And Body Hinge Pin {5057,5050}

1994/01/24 New Discs (Thrust Washers), Planet Gears and Spacers Used In Interaxle Differential Group To Improve Service Life {3287,3250}

1994/01/24 Brake Assembly In Drum Drive Motors Has More Discs And Plates {4267}

1994/01/31 High Torque Steering Motor Available {4136}