Was looking at a used Saturn 2002 with 140K on it for one of my kids and
the thing really slammed into 3rd gear (automatic transmission) and less
hard into 2nd....

Driving was smooth when not shifting, no slipping could be detected
while accelerating....

Any ideas?

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If it slams into all gears, then check out the shift modulation solenoid.
If it is only one gear, then check that shift solenoid. The resistance of
the solenoids can be measured at the connector on the top of the
transmission access cover. If I recall correctly, they should all (there
are 5 of them, so there are 10 connections) measure between 4 and 8 ohms.
If they all measure correctly (one will usually be way different - open or
shorted for instance), then try draining and then replacing the trans fluid
and adding some trans additive and following directions on the can/bottle.
When done, Make sure that you drain the fluid again and also replace the
filter at that time too. Use the correct fluid which I believe should be
Dexron III. Good luck.

Bob


"Leythos" <spam999free (AT) rrohio (DOT) com> wrote

I had this happen on my '02 SC2, it was the transmission control module.

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"Bob Shuman" <no_spam_thx (AT) sbcglobal (DOT) net> wrote