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Four months ago I was driving my car and after coming to a stop and moving again, the car had three or four instances of not wanting to shift from 2nd to 3rd gear smoothly. It whined for a moment and finally responded. These happened all within about 15 minutes, and it didn’t happen again. I had my fluid drained and replaced about a month ago, and the car has been shifting smoothly until tonight. Out of nowhere, after coming to a stop, the car refused to move forward. I tried reverse–same thing. I turned off the car, waited a few seconds, and started it again. It worked fine for about a block or so, and I did the same thing. This happened each time I stopped. Then it began happening every two blocks. I made it home safely, and I am frustrated. What would cause a sudden problem like this with no warning?
Need a replacement transmission? Quality transmissions are hard to find. Free estimate to your email.Believe it or not, there are electronic switches in your transmission called solenoids. Technically, they are “switch/relay” devices and all they really do is turn different things on and off at the right moment.
What I suspect is happening is this: at some point or other a piece of grit, that may have become dislodged when the new fillup of transmission fluid went in, has taken up residence on part of the solenoid and is causing it to either slip throwing the solenoid into the off position or it is causing a delay and keeping it closed when it should be opening. In either case, the solenoids that enable gear-switching should be replaced.
There are two of them located on the valve body. One usually handles first and third and the other second and fourth, both usually handle reverse. One may be on the outside of the valve body and is pretty easy for your technician to get to. The other is a bit harder to reach as it will require a new drain and refill of the transmission fluid and it will require the technician to get inside the valve body, but since the major components aren’t removed, it is not as big a deal as, say, replacing the torque converter or a set of clutches both of which require a major teardown.
That said, you are looking at a cost of about $300, including labor, for the solenoid replacement.
Let me know what happens as I am always happy to hear from you guys.
Fair Replacement Transmission Cost by Vehicle
- Use the Year / Make / Model lookup tool to determine what transmission your vehicle has. [transtar]
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Fair Remanufactured Transmission Price Ranges by Transmission Model Updated May 1, 2018
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