1989/05/15 Caterpillar

New Head Gasket Used {1124}

Usage:

All 3208 Engines

Description of Change: A new head gasket is used on all 3208 Engines. The new head gasket has a smaller diameter fire ring bore than the former head gasket. This new head gasket was previously used only on naturally aspirated 3208 Engines. It is now used on all 3208 Engines.

Adaptable To: The new 7C1599 Head Gasket is used on all 3208 Engines. It replaces the former 7W2059 Head Gasket. The new 7C1599 Head Gasket must be used on all emission controlled naturally aspirated 3208 Engines effective with the 1986 model year. The new 7C1599 Head Gasket must be used on all emission controlled turbocharged 3208 Engines effective with the 1988 model year.

The 7W2059 Head Gasket is used on all 1100, 3100, and 3208 Remanufactured Engines and field sleeved engines.

Caterpillar Information System:

1989/05/15 New Valve Stem Seal Used On Inlet Valves And Added To Exhaust Valves {1105,1108}

1989/05/15 Automatic Shut-Off Systems Not Recommended On Mobile Earthmoving Equipment {7418,7403}

1989/05/15 Recommended Oils For Filling Bearings During Reconditioning of Track Rollers {4154,4180,0645}

1989/05/08 List Of Seal Installation Tools For Duo-Cone Seals {0700,7561}

1989/05/08 Longer Bolts Give More Life To Gaskets Between Water Cooled Aftercooler Housings {1063,1069}

1989/05/08 New Crankshaft Thrust Plate Made Of Brass {1232}

1989/05/08 New Heavy-Duty Air Cleaner Groups Available {1051}

1989/05/01 Use Care When Positioning Turbocharger Compressor Housing {1052,1060}

1989/05/01 Fuel Manifolds Changed To Steel {1252,1702}

1989/05/01 Keys For Power Modules Shipped Inside Air Louver {1021,7263,7315}

1989/05/01 Two Retainers Used To Better Fasten Air Inlet Pipes In Turbocharger Compressors {1058}

1989/05/01 Requirements For Cooling System Conditioner In 3176 Truck Engines {1352,1350}

1989/05/15 Front Idler And Accessory Drive Gears Improved {1206,1361}

1989/05/15 New Installation Procedure For Unit Injectors {1290}

1989/05/22 Vibration Measurement System For Caterpillar Products {0781,0783,0784}

1989/05/22 Do Not Prefill Secondary Fuel Filter {1261,1290}

1989/05/22 New Front Crankshaft Seal Requires New Installer Tool {1160,1202,0704}

1989/05/22 Check Valve Added To Fuel Injection Lines {1274}

1989/05/22 New Clamps With Grommets Used In Fuel Lines, Turbocharger Oil Supply Lines, And Turbocharger Water Supply Lines {1274,1307,1380}

1989/05/29 New Upper and Lower Seals For Folded Core Radiators In Cold Temperature Applications {1353}

1989/05/29 New Extension Assembly Used In Gas Engine Ignition Groups {1558}

1989/05/29 Maintenance Inspection Of Emergency Shutdown Systems Required Every 1000 Hours {7400}

1989/05/29 "CXP Fluids" Are Now "Cat Fluids" {0645}

1989/06/19 Identification Of Asbestos-Free Material{0353,0112,0648}