This is one of the most common causes of torque converter problems. This can lead to a feeling of extra slipping and chattering at speed. Make sure you take a look at the fluid before you do anything with your transmission. The clutch that locks the transmission to the engine at highway speed can wear out just like a normal manual transmission clutch. This is one of the most common issues that causes a torque converter to go bad. This will create the same symptoms as the bad seals in that the converter is going to puke a bunch of ATF all over your garage floor, but you should also be feeling quite the vibration at speed.
If you suspect this could be what is going on with your transmission, just know that if those bolts come all the way out the least that is going to happen is that it disengages from the input shaft. It takes a bit longer for the transmission to warm up than the engine. Give it a few extra minutes after the engine warms up all the way. This will ensure that the transmission is shifting as it would nearly all the time that it normally operates.
Pay particular attention to any shuddering and vibration as you accelerate. Shuddering and vibration are in no way a guarantee that something is wrong with the torque converter, but they are a strong indicator there could be something wrong.
This makes diagnosing torque converter problems challenging. Good luck with your xB! Slipping Higher Speed Nearly all modern automatic transmissions have a locking torque converter. Shuddering Torque converters use a lock up clutch to create a true connection between the engine and the wheels. Sounds A bad torque converter will often make strange sounds. Bad Transmission Fluid Like your automatic transmission, the torque converter is full of transmission fluid.
Causes of Torque Converter Problems: Scion xB There are many different things that can cause your xB to have torque converter problems. Low or Dirty Transmission Fluid Transmission fluid is the lifeblood of the transmission and the torque converter bolted to it.
Worn Clutches The clutch that locks the transmission to the engine at highway speed can wear out just like a normal manual transmission clutch. Bad Seals This is one of the most common issues that causes a torque converter to go bad.
There are many different things that can cause the P code. Most of them are going to need an experts touch to diagnose. This list is presented with a combination of likely to cause the issue and repairability in mind first. There are many symptoms of low transmission fluid. The most noticeable one is going to be the transmission slipping. If the transmission fluid is dirty or burnt , it can make the transmission behave in a way that is not normal and throw the P code.
If the fluid is low or bad, replacing should be considered an urgent priority. The good news is that transmission fluid and filters are cheap. The wiring harness that goes to and from the transmission is one of the more vulnerable pieces of wiring on a vehicle. Inspecting the harness for obvious signs of distress, checking the connection at the transmission itself, and finally a continuity test can go a long way in diagnosing your tC.
It is highly likely that the torque converter clutch solenoid TCC has gone bad. But, jumping straight to this conclusion without inspecting the transmission fluid and wiring can cause a lot of undue headache.
The torque converter itself or torque converter clutch can go bad and throw the P code. If the TCC seems to be functioning properly, it may be that the problem is in the transmission case itself. It could be a valve body issue, a problem with the pressure going through the transmission, or a clogged filter.
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