# How We Rebuild Hydraulic Pumps: What Went Wrong? Komatsu WA 430-6

> Learn how to diagnose and repair a Liebherr R924 excavator failure. Read about the symptoms of hydraulic problems, the pump disassembly process, and the preparations for regeneration. See how our service team tackles challenges on the construction site!

[▶ How We Rebuild Hydraulic Pumps: What Went Wrong? Komatsu WA 430-6](https://www.youtube.com/watch?v=UjlwOAfusOE)

Learn how to diagnose and fix a Liebherr R924 excavator failure. Read about the symptoms of hydraulic problems, the process of disassembling the pump, and the preparations for regeneration. See how our service team tackles challenges on the construction site!

Published: 2025-05-26

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