SHAFT AS-DRIVE 2023572 - Caterpillar

Caterpillar: Confidential Yellow
This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS0684" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use " Z" as the SIMS Description Code.
Termination Date
December 31, 1993Problem
The 7C8255 or 4P8165 Gasket, located between the timing gear housing and the spacer block, may leak on certain Challenger 75 Tractors and 3176 Truck Engines.
Affected Product
Model & Identification Number
Challenger 75 (4CJ1-479)
3176 (2YG1-Up; 7LG1-9753)
Parts Needed
4 - 9M1974 Washer4 - 9U5177 Inserts (as required)4 - 6V2317 Bolt (as required)4 - 6V5219 Bolt (as required)1 - 7X7973 Gasket Kit*1 - 1011286 Plate1 - 1011287 Gasket*Do not use the existing 7C8255 or 4P8165 Gasket from the gasket kit. Replace it with a 1011287 Gasket.Action Required
If a 7C8255 or 4P8165 Gasket leaks, refer to Special Instructions SEHS9672, "3176 Engine Timing Gear Housing Gasket Repair" to repair the engine.
Service Claim Allowances
Challenger 75 Tractors
This is a 30-hour job.
3176 Truck Engines
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.