This hydraulic piston pump is designed to generate high-pressure hydraulic flow for the steering and implement systems in Volvo trucks. It is precision-engineered with hardened components to ensure consistent performance and longevity, unlike a worn pump that may exhibit reduced flow, increased noise, or internal leakage. Operators may notice slow or jerky steering, sluggish operation of hydraulic attachments, or a whining noise from the pump.
Always verify with serial number before ordering.
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Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
A worn hydraulic piston pump will initially cause a noticeable decrease in hydraulic system performance, such as slower steering response or weaker implement operation. If ignored, the pump may start to make excessive noise, and internal leakage can lead to a complete loss of hydraulic pressure. This can result in loss of steering control or inability to operate essential equipment.
Thoroughly flush the hydraulic system with new, clean fluid before installing the pump to remove any contaminants that could damage the new unit. Ensure all hydraulic lines are properly connected and free of kinks.
When replacing the hydraulic pump, inspect the hydraulic fluid filter and consider replacing it, along with checking the condition of hydraulic hoses and fittings.