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Brand: C.OEFT
OE numbers:35240-34010
EAProduct Name: Transmission Valve
Compatible model:A750E A750F
Product status: Remanufactured
Product weight: 0.1 KG
Packaging size: 15X7.5X6 cm
Product packaging:Neutral Package
Car Series:Japanese
Car Type: for Toyota
1. Multi-Gear Collaborative Oil Circuit Control for Smooth Shifting
The 35240-34010 solenoid valve adopts an interconnected multi-gear oil circuit design (covering 2nd-6th gears for 6-speed AT and dual-power source clutch control for hybrid eCVT) to achieve seamless coordination between gears during shifting. When the TCU detects a gear-shifting demand (e.g., 4th-5th gear shift in 6-speed AT during high-speed acceleration), it sends a pulsed electrical signal with variable frequency to the solenoid valve’s coil. The coil generates a dynamically adjustable magnetic field, driving the spool to move axially in a stepped manner—this not only opens the oil passage to the 5th gear clutch but also synchronously adjusts the oil discharge speed of the 4th gear clutch through a variable throttle valve, ensuring the 4th gear clutch disengages at a gradient rate while the 5th gear clutch engages smoothly without impact.
For example, in a Toyota Camry (7th generation) equipped with the 6-speed AT (A760E transmission, compatible with the 35240-34010 solenoid valve), when accelerating from 70 km/h to 100 km/h, the TCU coordinates this solenoid valve to complete the 4th-5th gear shift. The entire process takes merely 0.25 seconds, with a jerking amplitude of less than 5 m/s²—far below the industry average of 7 m/s² for mid-size 6-speed AT models. When de-energized, the high-elasticity composite return spring (stiffness 14 N/mm) resets the spool in 12 ms, promptly closing the target oil circuit to prevent residual pressure from causing clutch drag, thus ensuring stable transmission operation during frequent high-speed and low-speed switching.
2. Intelligent Pressure Regulation for Complex Working Conditions
A prominent functional advantage of the 35240-34010 solenoid valve is its intelligent adaptive pressure regulation capability, which can balance shifting comfort, torque transmission efficiency, and fuel economy under diverse complex working conditions (high-speed cruising, urban stop-and-go, heavy-load climbing, hybrid mode switching). It adopts a closed-loop control mode with dual sensors (pressure sensor + oil temperature sensor): the TCU adjusts the coil current duty cycle (0%-100%) in real time based on comprehensive parameters such as vehicle speed, engine load, oil temperature, and power source status (engine/motor for hybrids), controlling the clutch/brake oil chamber pressure with an accuracy of ±0.06 MPa—meeting the performance requirements of mid-size models while optimizing energy consumption.
During high-speed light-load cruising (e.g., 110 km/h constant speed in 6th gear), the solenoid valve reduces the clutch pressure to 0.8-1.0 MPa, minimizing friction loss between clutch plates and reducing fuel consumption by approximately 7% compared to fixed-pressure control—addressing the fuel economy needs of mid-size vehicle users for long-distance driving. Under heavy-load conditions (e.g., full-load uphill at 60 km/h), it increases the pressure to 2.0-2.3 MPa, ensuring the clutch engages tightly to avoid slipping and torque loss—a common concern in mid-size models with higher weight. For hybrid mode switching (e.g., switching from pure electric to hybrid mode), the solenoid valve adjusts the engine clutch pressure to 1.2-1.5 MPa at a gradient of 0.1 MPa/8ms, achieving smooth power source switching without obvious jitter. In low-temperature cold starts (below -20℃), it activates the "intelligent pre-warm mode": the built-in oil temperature sensor monitors the oil temperature in real time, maintaining a pressure of 0.5-0.7 MPa for 40 seconds until the oil temperature rises to 10℃, then gradually increasing the pressure to the normal range—solving the problem of difficult shifting in cold weather for mid-size transmissions.
1. Broad Compatibility with Toyota Mid-Size and Hybrid Models
The 35240-34010 solenoid valve is a dedicated component for Toyota’s mainstream mid-size 6-speed AT and hybrid eCVT transmission systems, widely used in global and domestic Toyota mid-size models:
Global Model Adaptation: Fully compatible with Toyota mid-size models equipped with 6-speed AT (A760E/A761E) and hybrid eCVT (THS II system), including the Camry (7th-8th generations), Avalon (5th generation), and RAV4 Hybrid (5th generation). Its electrical parameters (coil resistance: 11.0±0.3 Ω, operating voltage: 12V DC) and structural dimensions (installation hole spacing: 24±0.08 mm) perfectly match the original transmission valve body. The connector adopts a waterproof and anti-interference design (IP67 protection level) to meet the electrical stability requirements of complex transmission systems. No modification is needed during replacement, ensuring consistent performance with the original factory solenoid valve.
Domestic Joint-Venture Adaptation: In China, it is a standard component for FAW Toyota’s Camry, Avalon, and GAC Toyota’s RAV4 Rongfang Hybrid. These joint-venture models adhere to Toyota’s global quality standards for mid-size vehicles, and the 35240-34010 solenoid valve has passed rigorous validation tests: a 9,000-hour high-temperature durability test (140℃), a 12,000-cycle pressure impact test (0.1-2.8 MPa), and a -40℃ to 140℃ extreme temperature cycle test—ensuring reliable operation in diverse climate conditions across China, from the cold northeast to the hot and humid south.
Hybrid and Fuel Vehicle Dual Adaptation: It can seamlessly adapt to both hybrid eCVT and fuel 6-speed AT systems. For hybrid models (e.g., Camry Hybrid), the solenoid valve’s pressure regulation curve is optimized for the "engine + motor" dual-power output scenario, with a maximum pressure of 2.3 MPa; for fuel models (e.g., non-hybrid Camry), the maximum pressure is calibrated to 2.5 MPa to match the higher torque of the 2.5L naturally aspirated engine. This dual-adaptation capability eliminates the need for developing separate solenoid valve models, reducing inventory pressure for mid-size vehicle repair shops.
2. High-Durability Materials and Precision Manufacturing
Premium Material Selection: The valve body of the 35240-34010 solenoid valve is crafted from high-strength aluminum alloy (ADC12 with T6 heat treatment) through precision die-casting and CNC machining. This material boasts a tensile strength of 280 MPa and excellent corrosion resistance, capable of withstanding long-term immersion in Toyota’s dedicated ATF (WS ATF) and hybrid system coolants without deformation or corrosion. The surface is treated with a double-layer anti-corrosion coating (chromate passivation + epoxy resin coating), ensuring no rust even after 400,000 kilometers of use. The spool is made of high-hardness stainless steel (SUS430) and undergoes a multi-step precision grinding process, with a surface roughness of Ra 0.02 μm—reducing friction with the valve body by 25% compared to ordinary stainless steel spools. The sealing ring adopts fluororubber (FKM), which maintains excellent sealing performance at -40℃ to 200℃ and exhibits strong resistance to ATF aging, effectively preventing oil leakage caused by seal failure.
Precision Manufacturing Process: The product adheres to Toyota’s "Zero Defect" manufacturing philosophy. Key dimensions (such as spool diameter and oil passage diameter) are controlled by high-precision CNC machining centers with an accuracy of ±0.002 mm. The coil is wound with 0.20 mm high-purity oxygen-free copper wire (purity 99.98%) using a computer-controlled winding machine, ensuring uniform winding density and stable electrical performance—even in the high-electromagnetic-interference environment of hybrid systems. After assembly, each solenoid valve undergoes a 100% pressure test (0.1-2.8 MPa), a leakage test (leakage rate ≤0.15 mL/min), and a response speed test (≤18 ms), with a pass rate of 100%—far exceeding the industry average pass rate of 97%.
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