1999/03/01 Caterpillar


New Flywheel Housing Gasket For 3406 Machine Engines{1157}

Usage:


375 (8WJ),
375L (1JM) Excavators;
5080 (8SL) Front Shovels;
PM-465 (5ZS) Cold Planes;
SS-250B (5GR) Soil Stabilizers;
RM-350B (7FS) Reclaimer/Stabilizers;
D8 (7XM) Track-Type Tractors;
583R (2XS) Pipelayers;
980C (63X),
980G (2KR),
988G (2TW) Wheel Loaders;
824G (4SN) Wheel Tractors;
825G (6RN),
826G (7LN) Compactors;
16H (6ZJ) Motorgraders;
621F (4SK),
623F (6BK),
627F (1DL) Wheel Tractor Scrapers;
D400E (2YR) Articulated Trucks

Description of Change: A new flywheel housing gasket that utilizes an anti-stick coating on the beaded sided of the gasket is used in the above machines. This coating will help prevent gasket fracture due to thermal scrubbing. The new gasket will help prevent leaks between the flywheel housing and the cylinder block.

Adaptable To: The new 159-3021 Gasket is for 19 bolt flywheel housings. The new 155-5619 Gasket is used for 24 bolt flywheel housings. The former 105-5082 Gasket is canceled.

Caterpillar Information System:

1999/03/01 Correction To Hydraulic System Oil Change Interval{5095}
1999/03/01 Larger Capacity Power Train And Transmission Oil Filter{3005}
1999/03/01 Washers Added To Avoid Bolt Interference On The D6G And D6G SR Hydraulic Pump{3108}
1999/02/22 Shielded Metal Arc Welding And Flux Cored Arc Welding Information {0679}
1999/02/22 Correction To Service Brake Disc Information {4250,4255,7473}
1999/02/22 Engine Control Axle Protection Override {1902}
1999/02/22 Improved Hydraulic Accumulator Mounting Clips Available {5077}
1999/02/22 Improved Radiator Cores Now Available {1353}
1999/02/15 New Brake Disc Wear Specifications {4250}
1999/02/15 Air Conditioning And Heater System Updates Improve Operation And Reliability {7304,7309,7337,7343}
1999/02/15 Rework Procedure Available To Upgrade Differential Case Assembly {3258}
1999/02/15 New Weld Procedures On 994 Wheel Loader Buckets Increase Service Life {6101}
1999/03/01 New Water Pumps With Improved Resistance To Shock Loads Used{1361}
1999/03/08 New Basic Fuel Transfer Pump Group Includes New Outer Lip Type Seal {1256}
1999/03/08 Instructions For Flashing ECMs On 657E Tractor Scrapers {7620,1901}
1999/03/08 Engine Hood Door Improved To Increase Service Life {7251,7263}
1999/03/08 New Muffler Reduces Cab Noise {1062}
1999/03/08 Use 147-1924 Portable Printer For Use On Wheel Loaders Equipped With The Payload Control System
1999/03/08 Correction To Testing And Adjusting Manual, RENR2148-01 {0374,1435,5700,5700}
1999/03/08 Correction To Testing And Adjusting Manual SENR1353-01 {0374,5261}
1999/03/08 Use 157-3719 Spanner For Removing And Installing Bosch Fuel Pumps {1251}
1999/03/08 Use 170-9227 Reamer Shims To Aid In Reaming Engine Injector Sleeves {1254}
1999/03/08 Use 138-8447 Aerosol Rust Preventative As A Corrosion Inhibitor {0645}
1999/03/08 New 150-7762 And 150-7745 (Trailer Mounted) Hot Water Pressure Washers For Cleaning Large Components {0680}
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