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I have a 2003 Dodge neon 2.0 4 speed the transmission cooler in the radiator went bad. So I put a new radiator in and drained trans water was in the fluid which I already knew then I put fluid back in and just let it circulate a little. Drained it then put 6 quarts of atf 4 which im afraid was to much. Drove it about 4 miles was driving great dipstick was reading fine so later drove on expressway seemed like it wasnt shiftin after going around 50 travelled ten miles their then when I drove it back it made a noise seemed like something fell from underneath my car drove it slow pulled over checked the trans fluid and it was way over filled I drove it home slow with no problem. Im planning on draining the trans fluid again . Filling it back up with proper amount. Do you think thats what I should do? Do you think shes ok? Please help...
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If they are plugs they may be drain holes or a place where you can fit a drain tap. If they can be plugged and you have no items to attach to them it will not be a problem
This is the best way to proceed. You can only hope that nothing was damaged in the transmission. The only way to tell is to drive it and see, unless you want to take it to a transmission shop and let them tear it open and have a look. It's quite possible that you did no damage to the transmission, just had the wrong fliud to keep pressures where they need to be for driving. No one can tell you for sure what will happen next, keep your fingers crossed and hope for the best. I would probably do at least 2 fluishes to make sure nothing got left behind and while you at it change the filter.
the trans shift solenoid pack is bolted to the side of the trans closer to the radiator. it is rather large and there are three 10mm bolts holding it to the trans. it is under the input speed sensor and just under the spot where the cooler lines go into the trans.
I'm not possitive but there is usually a vent tube on top of the transmission, may be possible that dirt or something is clogging it up. That would cause the tranny to build up pressure. But to blow the seal on a new radiator, I wouldn't imagine that. My opinion would be that the new radiator wasn't put together correctly. But just in case the vent tube did cause it to let go, check the vent. I hope that you find the problem. Best wishes.
As detrimental as coolant is in the engine oil, it has a much worse affect in the transmission fluid as its a thinner fluid and does not have the additive package that a motor oil does.
Here's how I would approach this:
To replace the cooler (its probably in the radiator) means they will likely have to replace the radiator and then the rebuild of the transmission is going to be up there as well. So all this is going to be considerably expensive.
You could go that route if you wish, but you could also take a chance and have an after market transmission cooler installed (by-pass the one in the radiator completely so you dont have the risk of coolant in your transmission again) and then have a thorough transmission flush done with a new filter installed.
Now, you are likely looking at a few hundred dollars minimum if you have the dealership do this but Im thinking that the reason the car acted like it was in neutral was due to the lack of transmission fluid because of the cooler line busting.
If you can do this work yourself you could probably do it all for less than $200 and if everything works out and the transmission is not damaged and works properly, you've saved yourself a good chunk of change. If it doesnt work and continues to have problems, then you can decide if the repair bill will be worth it to rebuild the transmission.
The key think here will be doing a very thorough transmission flush to get any traces of coolant out of the system and a new filter. Hope this helps.
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