HARNESS AS 8W4366 - Caterpillar

Introduction
The problem that is identified below does not have a known permanent solution. Until a permanent solution is known, use the solution that is identified below.Problem
If coolant has been identified in the oil through SOS analysis or from visual inspection. Follow normal troubleshooting procedures to identify source of leak. If source of leak is not identified inspect the lower liners at the O-ring seals, for cracks in the linerSolution
Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility.
If a failed liner is identified, replace with 556-0701 Cylinder Liner. At the time of repair, replace all liners.