Gearbox Valve
The Gearbox Valve Manufacturer!
Zhuji Juntai Auto Spare Parts Co.,Ltd. was established in 2011 and located in Zhuji City, Zhejiang Province, China. Our factory has professional technicians team and excellent sales team, which can help us to provide our clients good quality and perfect service.
Why choose us
Excellent Team
Our factory has professional technicians team and excellent sales team, which can help us to provide our clients good quality and perfect service.
Quality Assurance
ISO 9000 certificate of conformity of quality management system certification; certificate of utility model patent; SGS gold plus supplier assessment certificate.
Reputation
A company with a positive reputation is more likely to attract customers. Reputation is built through consistent quality service or products, good customer relations, and reliability.
Production Market
Our products are exported to over 100 countries in Southeast Asia, Europe, Africa, America, and other regions, as well as domestic automotive after-sales markets and repair shops. The annual transaction volume exceeds 20 million yuan.
|
Type |
DIRECTIONAL CONTROL VALVE |
|
Place of Origin |
Zhejiang, China |
|
Purpose |
For replace/repair |
|
OE NO. |
5000789615 FA8002D 541L9101 |
|
Application |
SHIFT SYSTEM |
|
Single Box Gross Weight |
0.145 KGS |
|
Single Box Net Weight |
0.127 KGS |
|
Single Box Size |
10.6 CM*6 CM*4.8 CM |
Functions of Transmission Valve Body
Gear Shifting
One of the primary functions of transmission valves is to control gear shifting. The valve body regulates the timing and smoothness of gear shifts. It controls the transmission fluid and partners with the vehicle's electronic control unit to determine when the automatic transmission should change gears.
Transmission Fluid Control
Fluids are necessary for proper lubrication and cooling of the transmission components. Therefore, adequate control of these fluids is essential for properly running the car's transmission. The valve body directs the flow of this fluid to the parts of the transmission when needed.
Interaction with Electronic Systems
The car valve body works with the vehicle's electronic system. In typical modern automatic transmissions, the valve body interacts with the TCM and uses electronic controls to optimize the car fuel system, enhance shifting precision, and promote driving comfort. The vehicle's ECU sends data from the sensors to modulate the fluid pressure depending on driving speed and throttle input.

Components of Gearbox Valve
Pressure Valves:
These components regulate the hydraulic pressure in the system.
Shift Valves:
These components direct the flow of fluid to shift gears.
Solenoids:
These components electronically control the opening and closing of valves based on signals from the TCM.
Harsh or Delayed Shifts
A malfunctioning transmission valve body can cause a delay in the fluid flow, causing delays in gear shifts. It can also cause the vehicle to be stuck in neutral or a single gear. In some cases, you might also experience a delay when shifting from Park to Drive or Park to Reverse.
Incorrect Up or Down Shifting
Another symptom that your vehicle has a malfunctioning transmission valve body is when the transmission shifts into a higher or lower gear at the wrong time. Note that any kind of erratic shifting can be a symptom of a bad transmission valve body.
Slippage and Shift Flares
There might be a problem with your vehicle's transmission valve body if the engine RPM increases on an up-shift, resulting in a shift flare.
Torque Converter Clutch Engagement Issues
The valve body directs fluid flow to the torque converter clutch. As such, an issue within the valve body can cause torque converter clutch engagement issues, such as shuddering and stalling.
Active Check Engine Light
If your vehicle exhibited any of the symptoms enumerated above, it can also have an illuminated check engine light. At this point, it might be a good idea to scan your vehicle for stored diagnostic trouble codes.
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