What is a lock up torque converter?

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 does the torque converter go lock up?

It generally occurs at part throttle and light acceleration, between 15 and 50 miles per hour, just before the shift to one of the top gears where the converter reaches “lock-up.”.

Can a torque converter be a problem with a transmission?

It could be a problem with the transmission, or the transmission could be perfectly fine and it could be a problem with the torque converter. Torque converter issues on a lot of older transmissions can be diagnosed by carrying out a stall-speed test. Below we have outlined how you can safely and easily conduct a torque converter test.

Why does my torque converter shudder when I Turn on the engine?

As mentioned, converter shudder is usually temperature related. As transmission fluid recycles back through the engine turbine, it picks up frictional heat.

How much does it cost to replace a torque converter?

A new replacement torque converter costs between $100 and $400, depending on the vehicle model and converter type. The labor cost to replace the torque converter is between $200 and $1000, depending on the vehicle model, and the workshop will make the work.

What causes torque converter to lock up on corolla?

Some 2004 – 2005 model year Corolla vehicles may exhibit M.I.L. “ON” with DTC P0741 (Torque Converter Clutch Solenoid Performance). Production changes have occurred to correct this condition. Follow the repair procedure to address those vehicles that exhibit the condition.

How to fix torque converter lockup solenoid 2000-2007?

Hooked up inlet line into a 5gallon jug of fresh trans fluid, while the outlet line into an empty 5 gallon hug. Started car on lift and ran car thru it’s gears until fluid was cleared of grayish fluid. Reinstalled cooler hoses. Drove car again w a pressure gauge teed into cooler lines.

What kind of warranty does a Toyota torque converter have?

R & R of the Speed Sensor, Transaxle, and Torque Converter Clutch Assembly are covered under the Toyota Powertrain Warranty. This warranty is in effect for 60 months or 60,000 miles, whichever occurs first, from the vehicle’s in-service date. R & R of the Engine Control Module is covered under the Toyota Federal Emissions Warranty.