Author Topic: Trans doesn't shift - in D/OD all the time  (Read 1243 times)

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Offline Mike231

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Trans doesn't shift - in D/OD all the time
« on: September 09 2021, 02:14:15 PM »
I finally got my 84 T close to being right. (Can't say finished, never finished)  :icon_lol:. I am having transmission problems. I know nothing about auto transmissions. It seems like it is in D or OD all the time. It is slow off the line and it doesn't go through the gears. If I'm driving it doesn't downshift. If I'm going 30, 40 mph and put the shifter in 2 or 1 it doesn't change.
It's the same if I put it in 1, 2, D whatever. I get no reaction.
HELP!
 

Offline Shimy87

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Re: Trans doesn't shift - in D/OD all the time
« Reply #1 on: September 09 2021, 03:16:52 PM »
check to make sure the linkage is connected properly and swinging the selector arm on the tranny
87 GN, K&N cold air, gutted cat, TT 5.7 chip, AFPR, 340 Walbro w/ hotwire, 60 LBS injectors, 981 valve springs, 206/206 Cam, RJC Powerplate, LS1 MAF & translator, Vacuum brakes, Hellwig rear sway bar, Energy suspension poly bushings, Razors Alky, Pypes exhaust, 5931 turbo, CK9.5 converter

Offline Mike231

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Re: Trans doesn't shift - in D/OD all the time
« Reply #2 on: September 09 2021, 05:27:16 PM »
Thanks. It is hooked up. I can put it in D or R and drive around. It's just not going through the gears. When I put it in gear- D or O, there's no shifting, just a slow start.
I am crawling under and checking it out.
 

Offline Steve Wood

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Re: Trans doesn't shift - in D/OD all the time
« Reply #3 on: September 09 2021, 08:06:50 PM »
Be sure the tv cable is hooked up, adjusted, and actually is moving the valve.  Shimy has been thru the drill of having to change a cable in recent times so he can probably provide better info on how to check that
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Offline Shimy87

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Re: Trans doesn't shift - in D/OD all the time
« Reply #4 on: September 09 2021, 10:04:42 PM »
Not being a wise guy but hows fluid level and condition? Pink and smell ok or dark and smelly. If you want to check tv cable let me know and I can advise
87 GN, K&N cold air, gutted cat, TT 5.7 chip, AFPR, 340 Walbro w/ hotwire, 60 LBS injectors, 981 valve springs, 206/206 Cam, RJC Powerplate, LS1 MAF & translator, Vacuum brakes, Hellwig rear sway bar, Energy suspension poly bushings, Razors Alky, Pypes exhaust, 5931 turbo, CK9.5 converter

Offline Mike231

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Re: Trans doesn't shift - in D/OD all the time
« Reply #5 on: September 13 2021, 11:34:13 AM »
Thanks, I will check everything and get back. I have been gone over the weekend. On it today. The trans is the last thing holding me up. It's always something.  :icon_eyes:  I appreciate the feedback.
Mike

 

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