[tomj76]

I can say that from my experience, the transmission in my '96 Windstar is prone to odd behavior. It's been this way for most of the 21+ yrs that I've had it. A lot of my problems have been with TCC engagement issues, but also lots of odd shifting.

If you're getting limp mode, then you most likely are getting a code that can be read by most scan tools. There can be codes stored even though the MIL is not turned on (some codes are non-MIL). See if you can get AutoZone or another auto parts store to read the codes for you. Some transmission shops will do it too. I'm not sure how all that works in Canada.

It might be enough information to help you choose to look more closely at the TRS or VSS.

You don't mention the mileage on the transmission... my first major failure came at ~190,000 miles. The transmission case broke, so the whole thing had to be replaced.

None of the automatic transmissions that I've rebuilt (in my own cars) have needed new clutches, even though that's supposed to be the common wear out mechanism. They've been other things like broken bands, broken springs, broken gears. The main thing I've seen wear inside the transmission is the brass bushings. If your transmission has worn bushings, then the initial symptoms are likely to be related to the operating temperature since the hot ATF will more easily leak out of a larger gap.

However, another reason it stays in limp mode until cool is that the PCM might not allow the transmission to run normal until the temperature sensor indicates a cool engine, sort of a reset. I've seen that on a TCC lockup problem I currently have on my transmission.

BTW, when I've had problems with the VSS (twice lost electrical connection to the sensor), the symptom has been odd shift points, not slipping. I've not had a problem with the TRS (other than accurate adjustment), but I think the symptom would be similar. Also, the TRS is "easy" to check if you have a DVM. As you select the various range settings on the selector, the resistance changes. You'll need to pull the connector to the TRS and probe the correct terminals (I might be able to find the info for my '96 if you decide to do this).