Torque Converter Stall Test

Torque Converter Stall Test FAQ

What does stall mean on torque converter?

A torque converter has three stages of operation: stall, acceleration, and coupling. Stall is when the transmission is in gear , but the brakes prevent the car from moving. At stall, the torque converter can produce maximum torque multiplication, called stall ratio, if sufficient input power is applied.

Whats the signs of a bad torque convertor?

What Are The Signs Of A Bad Torque Converter?Transmission Fluid Leak. Some drivers take leaks commonly, but that shouldn't be, especially when the leak is from the transmission area.Shaking/Shuddering. Shuddering is another clear sign that your car's torque converter has gone bad and needs replacement.Gear Shifting Difficulties. ...Gear Slipping. ...Overheating. ...Loss of Acceleration. ...Unusual Sounds. ...

What does the stall speed of a torque converter mean?

In other words, stall speed is the engine RPM at which the torque converter transfers the power of the engine to the transmission. In the real world, the torque converter's stall speed roughly equates to the clutch engagement point on a manual transmission.

What is the point of a stalltorque converter?

Stall is when the transmission is in gear, but the brakes prevent the car from moving. At stall, the torque converter can produce maximum torque multiplication , called stall ratio , if sufficient input power is applied.