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Old 05-28-2003, 01:52 AM   #1
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Default Tranny Problems??

I thought my tranny was slipping about 7 or 8 months ago, but haven't noticed any difference since. Now, sometimes when I am holding 40-45 (cruise off) for no apparent reason it feels like my tranny downshifts or something. I can hear and feel it. This is in Overdrive, and I have to push the pedal down to shift up again.

Sometimes from a stop, it seems to shift to second gear quickly and with a slight "jolt" for lack of a better word. Do any of these situations sound bad to anyone? How much of a warning period would I have if my tranny was about to kick the can?? What kind of expense would fixing it be? Sorry for all the questions. Thanks for the help.
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Old 05-28-2003, 02:48 AM   #2
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You need a scantool. No other way to tell.
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Old 05-28-2003, 03:20 AM   #3
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Where do I get one? What exactly can it do? Sorry for the dumb question.
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Old 05-28-2003, 03:59 AM   #4
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Autozone will work. I have an Actron. It'll cost you about 120 to 150 if I remember. You'll need the cartridge and 16 pin cable for a 94.

It'll tell you EVERYTHING that the PCM sees. Shifts, TCC slip, ac compressor on/off, iat temp reading, rpm'*, vehicle speed, tps position, o2 sensor reading, and reads/clears all codes. And on and on. I should shoot an mpg movie of mine while I scroll through the functions.
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Old 05-28-2003, 01:54 PM   #5
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Sounds expensive, but for what it does I think I'll get it soon. Thanks.

Will, someone just suggested that my tranny downshifting at a steady speed of 40-50 was the "transmission lockup point" I believe he said. Maybe it'* not slipping after all.? Hope not.
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Old 05-28-2003, 04:07 PM   #6
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The tranny lockup has to do with the torque converter. Where it locks up is called stall and you can get different stall torque converters I think from ty
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