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Key Takeaway Check Hydraulic Fluid Levels: Low or contaminated fluid is a common cause of jack malfunctions.Bleed the System: Air trapped in the hydraulic system can prevent proper lifting; bleeding the jack resolves this.Inspect for Leaks: Hydraulic leaks from seals or valves can lead to performance issues; inspect and repair as needed.Evaluate the Release Valve: A stuck or damaged release valve may cause the jack to not lower properly.IntroductionHydraulic jacks are essential tools used in a …