This is a hydraulic cooling fan solenoid relief valve, controlling the flow of hydraulic fluid to the cooling fan motor based on system pressure. It ensures the fan operates at the appropriate speed to maintain optimal engine and hydraulic fluid temperatures, preventing overheating. A malfunctioning valve can lead to the fan running constantly at high speed, or not engaging sufficiently, causing temperature fluctuations. Operators may notice increased fan noise or inadequate cooling.
Always verify with serial number before ordering.
Parts Trading Company · Mumbai, Est. 1956 · Same-day dispatch · Ships worldwide · GST invoice included
From the same category — may also be needed
Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India
Flush hydraulic lines before fitting new components. Use only manufacturer-specified hydraulic fluid. Check O-rings and backup rings for correct orientation. Bleed air from system after installation.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
The most noticeable symptom is often an abnormal fan speed – either running at maximum speed constantly, creating excessive noise, or failing to increase speed when the engine temperature rises. Inadequate cooling can lead to the engine or hydraulic system overheating warnings. If the valve fails to regulate pressure correctly, it can also cause premature wear on the fan motor or hydraulic pump.
Ensure the hydraulic system is depressurized before removing the old valve to prevent injury from high-pressure fluid. Clean the valve mounting port thoroughly before installing the new valve.
Check the hydraulic fluid level and condition, and inspect the cooling fan motor for any signs of wear or damage when replacing the solenoid relief valve.