What does lockup torque converter mean?

What does lockup torque converter mean?

Lockup torque converters are a type of converter that has a clutch. The engagement of this clutch causes the engine to lock to the transmission input shaft thereby leading to a direct 1:1 drive ratio.

When should a torque converter lockup?

Recently developed torque converters have had a “lockup” feature added to reduce this energy loss and improve mpg. This lockup feature will not engage until the vehicle reaches approximately 40 mph. Other factors may also prevent this type converter from locking up.

What does it mean when a torque converter “lock up”?

Lockups are also known as torque converter clutches, as they literally clutch the two halves of the converter, and set them at a fixed speed, or power level. The two terms do not refer to different concepts. Torque converter lockups average 65 percent savings on gas, compared to older transmissions that lack this part.

How can you tell if your torque convertor is bad?

Testing for Bad Torque Converters . A rather simple test can determine whether the torque converter is failing.This is how to carry it out: Turn the ignition key and start up the engine. Wait for a few minutes for the engine to warm up, then gently press the accelerator twice and rev up the engine.

What is torque convertor lock up?

Lock-up torque converters contain a torque converter clutch. When the clutch engages, it allows the converter to “lock” the engine to the transmission input shaft, providing a direct 1:1 engagement between the engine and transmission.

How do they check a torque converter?

How to Test a Torque Converter Start the engine and let it warm up First, you should start the engine and let the transmission oil warm up to around 40 degrees. Move shifter into gear Now you can try to apply the drive gear and listen carefully if you can hear any signs of noise from the torque converter. Test drive