Aerostar transmission

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David Simpson - 03 Apr 2006 21:23 GMT

I have a 1996 Aerostar. On two occasions recently, when I have started up
with the engine cold and backed out of the driveway, I have found that, when
I shifted from reverse to drive, the transmission did not engage
immediately. On the first occasion, there was a lapse in time of about 10
seconds. On the second occasion, I had to shift from drive to drive 2 (it
did engage drive 2) and then back to drive to get it to engage in drive.
The transmission fluid is in the correct range. I have 125,000 miles on the
vehicle and the transmssion was serviced by Ford at 60,000 miles as part of
their regular servicing, not because of any problem.

Any thoughts?

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clare at snyder.on.ca - 04 Apr 2006 01:21 GMT

>I have a 1996 Aerostar. On two occasions recently, when I have started up
>with the engine cold and backed out of the driveway, I have found that, when
[quoted text clipped - 7 lines]
>
>Any thoughts?

Fluid "in the right range" is not always adequate in an Aerostar. If
the fluid is just a touch low, the symptoms you note can occur. Fill
the trans to the full cold level when cold. It SHOULD be slightly over
the hot full when hot. I believe there is actually a modified dipstick
available. Slow engagement when cold was a common problem up here in
the "great white north" and overfilling by 1/4 inch on the stick
usually solved the problem (at least on both of mine).

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