Question about 1998 Dodge Grand Caravan
Fairly new transmission won't shift
Go back to where it was done, should have a 1 year or 12,000 mile warrenty
Posted on Jan 02, 2015
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Posted on Jan 02, 2017
I had the same problem, drove home just like you did, took it to my mechanic and he changed the "speed sensor " problem solved. "
Posted on Dec 07, 2008
Kenhoneycutt, Not undermining keemo68's suggestion as ill given, I wouldn't necessarily use that Lucas additive in your transmission. Is your "check engine" light on? If so, it would be prudent finding out what codes are stored before advancing. It is a good suggestion of having your transmission's fluid changed by dropping down the trans pan and taking a look at what resides in the bottom of the pan. It shouldn't be anything more than a slightly grayish to black "film" deposit laying on the bottom. There shouldn't be any major amounts of brass or aluminum. I would wash that film out, making sure it is dry, replace the filter, then reinstall the pan. Then disconnect the trans cooler lines and flush the cooler out using some compressed air and brake kleen making sure it has all been removed, then reinstalling the lines. At this point, I would install the recommened amount of transmission fluid using ATF+4 trans fluid. Not ATF3 or anything else, not even the Chrylsers brand of ATF fluid. All the other ATF's were insufficiant due to foaming of the fluids. The replacement of your transfluid should clean most of the varnish deposits from your trans because of it's high detergent properties. If you do have the "check engine" light on, most probably you'll have a P0700 code with one or more additional codes stored. Without knowing what these are, the most probable problem would reside in your "shift solenoid pack." The shift solenoids are what put the trans thru the different gears. If the computer sees a fault with this pack, it will only allow it to remain in 2nd gear "limp home" mode Disconnecting the connector at this pack and examining it for corrosion or dirt, poor connection...etc. would be next. After that, I would replace this "solenoid pack" and see what happens. Chrysler had beaucoup problems with these.
Posted on Jan 17, 2009
SOURCE: 98 dodge grand caravan 3.8L
Here are a couple of things you can try for free if you are mechanically inclined, if you are unsure don't do this yourself.
i can't think of the exact wording for 1787 but is either shift control or torque lock up.
1)If this is the first time you have had a scanner on it since the new tranny was put in, this code could have been set when it did not shift that day, it will stay in the memory until cleared manually, if it only happened once,it could be why it did not set the check engine light.
2) Now you are going to have to get dirty,Dodge is known for having leaky connections on the tranny thus allowing fluid to get into them from the inside. Get yourself a pair of safety glasses with side sheilds, a small can of aerosol brake clean, and a can of compressed air (the kind you clean computers with) and a tube of di-electric grease.
Do this one connector at a time,PUT ON SAFETY GLASSES,disconnect then spray a little air in them to remove fluid then spray a little brake clean on them do not soak them then spray air to dry, repeat this 2 or 3 times apply a liberal amount of di-electric grease re connect
You can save yourself some money by doing this yourself or have a friend do this for you
If you want to erase the code, disconnect the negative battery cable for 30 minutes, do this while you are cleaning the connectors,
If the code comes back up,it ia probably internal
Hope this helps
Posted on Feb 04, 2009
the ground strap is bolted to the transmission housing next to the starter bolt.the transmission not shifting may be caused by the computer and may need to be reprogrammed for the new transmission.
Posted on Dec 07, 2009
Mounted on the trany is a speedometer sensor. The vehical will not up-shift it, sensor, is malfunctioning. The vehicles computer doesn't know that it is not going fast enough to change gears.
Posted on Dec 08, 2009
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