41TE minivan transmission question

transman said

Scan it and see if it is the solenoid. No sense buying an electronic item (usually non returnable item at most parts stores) if its not the issue. These transmissions did have solenoid issues though.
Also make sure the wiring connectors are clean and tight.

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Yea they did.
Fortunately they are not real expensive if you hunt around a little, and they are really easy to change being on the outside of the trans.

I agree on saving yourself some headaches and get it scanned.

On those bolts, I have used a longer bolt with a nut on it, so I could run the bolt all the way in and use the nut to do the actual tightening down.
This lets you use all of the threads in the hole, then works like a stud.
A little Mickey Mouse but it works well.