Silicone Rubber Hoses Available For Engine Oil Cooler Water Lines
Usage:
3208 Truck Engines
Description of Change: Longer life hoses are available for parts service for the inlet and outlet water lines for engine oil coolers on the above models. These hoses are made of silicone rubber which is more resistant to high temperatures.
Adaptable As: The new oil cooler hoses for parts service can be used as direct replacements for the former oil cooler hoses. The new hoses have the part numbers on them, and are identified by either color, blue or green.
The new hoses also require two, different new clamps. The new clamps have a smaller effective tightening range needed with silicone hoses. See illustration for locations of new clamps.
Location of new clamps needed on new hoses.
Caterpillar Information System:
1986/03/01 Air-To-Air Aftercooler Test Group Available
1986/03/01 Improved Sleeve Bearing Used In Drive End Of Fuel Injection Pump Housing
1986/03/01 Stronger Oil Pan Used
1986/03/01 Improved Cylinder Head Gasket
1986/03/01 Nylon Seals Used On Lockwire To Seal Critical Areas; Parts Service Seals Available For NACD Dealers
1986/03/01 Screens Added To Inlet Air Manifolds
1986/02/01 Attention "New" Caterpillar BrakeSaver Owners!
1986/02/01 Incorrect Air Compressor Installation Can Cause An Early Failure
1986/02/01 Special Instructions Packaged With Turbocharger Cartridge Repair Kits May Be Incorrect
1986/02/01 New Cylinder Liner Available
1986/02/01 Truck Engine Performance Checklist Available For North American Dealers
1986/02/01 Longer Bolts Used In Turbocharger Air Lines Groups
1986/04/01 New Air-to-air Aftercooler Arrangements Used On Truck Engines
1986/04/01 Bleed Screw Washer (seal) Must Be Replaced If Bleed Screw Removed From Fuel Nozzle
1986/04/01 Adjust Bridge Whenever Valve Clearance Adjustments Are Made
1986/05/01 Use Care When Removing Oil Pan And 9N3167 Plate
1986/05/01 Service Reminders For 3400 Family Of Truck Engines
1986/05/01 New Alternators Are Self-energizing And Have Built-in Regulators
1986/05/01 List Of Service Publications
1986/06/01 New Service Tools Available
1986/06/01 Two Types Of Maintenance Management Publications Available For Truck Engines
1986/06/01 FT Tooling Prints Available For Bushing Installation In Governor Housing
1986/06/01 Nitrate Test Kit Available For Cooling Systems
1986/06/01 Flywheel Housing With 6° Offset Transmission Mounting Holes Must Be Used In GMC Trucks