How does a valve body work in a transmission?
The valve body is one of the pieces of equipment that allows an automatic transmission to function correctly. By channeling hydraulic fluid through a series of paths, the valve body is able to trigger the correct clutch pack for the selected gearing.
Is valve body part of the transmission?
A transmission valve body is a major component of an automatic transmission. It’s essentially a maze-like control center made up of valves, passageways, and solenoids that diverts transmission fluid to where it’s needed for gear changes.
What are the symptoms of a bad transmission valve body?
When you experience a symptom of a bad transmission valve body, it is very noticeable. Chances are that you won’t let it go for too long because it will greatly impact your driving ability and will likely frustrate you while trying to change gears. Below are four common symptoms of a bad transmission valve body.
What does the valve body of an automatic transmission do?
This process performs when the gear changes the speed from low to high or vice-versa. An automatic transmission system has a valve body, which serves as the main control center. The valve body has numerous passages and channels within the valve body.
How much does a transmission body valve cost?
The make and model of your vehicle plays a huge factor in what the total cost of your transmission body valve will be. Most people end up paying between $190 and $510 just for the part alone.
Can a bad transmission valve cause a downshift?
Sometimes a bad transmission valve body will make it impossible to perform a downshift if you’re driving a manual transmission vehicle. This can only happen if the transmission valve body is not receiving the transmission fluid for whatever reason. Without the fluid in the valve body, there won’t be any pressure placed on the gears.
What does the body of a transmission valve do?
Your transmission valve body will move the fluid through its various channels quickly to activate the right bands in your transmission while you’re driving your car around. All of the different valves found in your transmission valve body play a different role and help your car move from one gear to the next.
How long does it take to replace a transmission valve?
There’s a good reason why some people will consider trying to replace a bad transmission valve body on their own. It’s not cheap to do it through a transmission specialist! Even the most experienced mechanics will take anywhere from two to three hours to complete the job from start to finish. This usually drives the cost of it way up.
How can I tell if my Volvo transmission is bad?
Volvo first starts to manifest transmission problems by hesitating to engage or take too long to change gear. As the problem gets worse, you will notice a bang or hard shifting between gear. If you ignore the problem for too long, the car will go into Limp Mode and get stuck in one gear.
How are the shifts in a transmission controlled?
Shifts are controlled by small electrical components known as solenoids. These solenoids could be mounted externally on the transmission or internally, depending on their purpose and your transmission’s design.