What is the function of the modulator valve?
The modulator valve function is to cater to the smooth functioning of shifting gears in your vehicle. It is, hence, necessary to be aware of the symptoms that point towards a bad transmission modulator valve.
How to change the modulator valve on a Ford truck?
When replacing a modulator valve, there are two points to remember. Raise and support the front of the truck on jack stands. Remove the vacuum hose that runs from the intake manifold to the vacuum modulator.
How can you tell when your modulator valve is bad?
Check the exhaust of the car for blue-colored smoke. When the diaphragm inside the modulator valve ruptures, transmission fluid is drawn up to the engine like liquid through a straw via the steel vacuum tubing.
When to take care of a transmission modulator valve?
Modulator valves come alive in function every time you shift gears of your car. Those who take changing gears for granted are not quite aware of how the modulator valve facilitates this for your vehicle. Hence it is very important to take care of it as a modulator valve does one of the most important functions in the smooth working of your vehicle.
Check the exhaust of the car for blue-colored smoke. When the diaphragm inside the modulator valve ruptures, transmission fluid is drawn up to the engine like liquid through a straw via the steel vacuum tubing.
How does a vacuum operated modulator valve work?
Vacuum-operated modulator valves are installed in automobile automatic transmissions for the purpose of controlling shift patterns. The modulator is connected to the engine through a combination of steel tubing and rubber hoses.
What happens when the modulator valve in a car ruptures?
When the diaphragm inside the modulator valve ruptures, transmission fluid is drawn up to the engine like liquid through a straw via the steel vacuum tubing. When burned in the engine, this transmission fluid produces blue smoke from the tailpipe.
How is the modulator connected to the engine?
The modulator is connected to the engine through a combination of steel tubing and rubber hoses. When higher amounts of engine vacuum act on the modulator, the transmission begins to shift earlier and softer. As engine loads increase, vacuum diminishes, causing the transmission to shift later…