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Brand: C.OEFT
OE numbers:35290-34010
EAProduct Name: Transmission Valve
Compatible model:A750E A750F
Product status: Remanufactured
Product weight:0.2KG
Packaging size: 15X7.5X6 cm
Product packaging:Neutral Package
Car Series:Japanese
Car Type: For Toyota
1. Transmission Protection: Avoiding Component Damage Under Abnormal Working Conditions
The 35290-34010 solenoid valve has an active protection function, which copes with abnormal working conditions of the transmission through cooperation with the TCU:
Overload Protection: When detecting that the transmission oil temperature is too high (exceeding 130℃) or the oil pressure is abnormal (too high/too low), the TCU will control the solenoid valve to adjust the oil pressure, reduce the engagement pressure of the clutch/brake, reduce the heat generated by friction, and avoid burnout of transmission components due to overheating;
Fault Emergency Mode: If the solenoid valve itself malfunctions (such as coil open circuit, valve core jamming), the TCU will identify the fault code through the diagnostic system and control other backup solenoid valves to enter the emergency mode, maintaining the transmission in a specific gear (such as 3rd gear or 4th gear) for driving, ensuring that the vehicle can continue to drive to the maintenance station and avoiding the risk of breakdown.
2. Adaptive Learning: Matching Different Driving Habits and Vehicle Conditions
The 35290-34010 solenoid valve supports the adaptive learning function with the TCU:
Driving Habit Adaptation: By recording the solenoid valve oil pressure adjustment data under different driving scenarios (such as rapid acceleration, steady driving, climbing), the TCU can independently optimize the shift timing and oil pressure control parameters. For example, for an aggressive driving style, it shortens the shift time to improve power response; for a steady driving style, it extends the shift time to improve comfort;
Vehicle Condition Change Adaptation: As the vehicle mileage increases, the transmission clutch plates and brake friction plates will experience normal wear. The solenoid valve can fine-tune the oil pressure to compensate for the wear amount through signals such as shift impact and slip time fed back by the TCU, maintaining shift smoothness and extending the service life of transmission wearing parts.
1. Excellent Control Precision for Smooth Shifting
The 35290-34010 solenoid valve adopts high-precision electromagnetic coil winding technology and a precision valve core structure design, enabling millisecond-level response and micro-adjustment of oil pressure in the transmission hydraulic system. Compared with traditional solenoid valves, its oil pressure control error can be limited to within ±0.2 bar, effectively avoiding shift shock caused by oil pressure fluctuations. Whether shifting gears during low-speed starting or accelerating to upshift at high speeds, it achieves seamless power connection, significantly improving driving comfort and riding experience.
2. High Reliability and Durability for Extended Service Life
In terms of material selection and manufacturing processes, this solenoid valve demonstrates strong durability advantages:
High-Temperature Resistant Material Application: The valve core and valve body are made of high-temperature resistant alloy materials, which can work stably in extreme temperature environments ranging from -40℃ to 150℃, effectively resisting the erosion of transmission oil aging at high temperatures on components;
Wear and Corrosion Resistance Design: The surface of the valve core undergoes special coating treatment, with a hardness of over HRC60, greatly reducing wear caused by long-term reciprocating motion; meanwhile, the overall structure has excellent resistance to chemical corrosion from transmission oil, avoiding jamming faults caused by oil impurities;
Strict Life Testing: Before leaving the factory, the product must pass more than 1 million cycles of action testing and 5,000 hours of durability testing, ensuring stable and reliable operation throughout the entire vehicle life cycle (approximately 200,000 kilometers) with a failure rate of less than 0.5%.
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