What happens when the torque converter goes bad?
A bad torque converter can damage a transmission. Bad torque convertors can lead to damage, overheating, friction, and transmission fluid degradation. If these problems continue, it can cause even more damage to transmission.
What does it sound like when a torque converter goes out?
Whining or rattling noise: When you drive your car for a long, you should tell when something is wrong by listening to the car noise. Likewise, when a vehicle torque converter fails, the car will give a bad torque converter noise–a whining or whining sounds like a power steering pump with little or no fluid in it.
Can a torque converter make a whining noise?
Audible Clues. Your torque converter can make a variety of noises when it goes bad. You may first notice a whine, similar to a power-steering pump that is low on fluid. The stator within the assembly uses an overrun mechanism with a series of clutches that, when bad, can cause a rattling noise.
Will a transmission flush fix a torque converter?
Yes, changing transmission fluid or performing a transmission flush will help fix most torque converter shudder problems. However, If you let your torque converter shudder for too long you might have to rebuild or replace it.
What’s the problem with the 4L80-E no overdrive?
The most common problem facing the 4L80-E NO OVERDRIVE and how to deal with it. Not open for further replies. If the problem is electrical then chances are you can troubleshoot the problem yourself. The torque converter has a torque converter clutch. It is this clutch that provides the mechanical coupling from the engine to the transmission.
What kind of transmission does a 4L80E have?
The 4L80E Transmission is a fully computer controlled transmission that comes bolted to the higher horsepower and torque trucks.
What causes a bad clutch on a 4L80E?
This is achieved by placing a clutch in the torque converter that locks out the hydraulic torque multiplication benefits. This improves fuel economy and reduces emissions. This can be caused by a bad vehicle speed sensor, throttle position sensor, or cruise control wiring.
How to check resistance on a 4L80-E?
Check resistance through Pin E and A for the 1-2 shifting solenoid. Check resistance through Pin E and B for the 2-3 shifting solenoid. If resistance checks out then switch on the ignition and check Pin E and a good ground for 12 volts voltage.