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Old 04-20-2004, 08:13 PM
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700 R4 won't shift

I have an 89 chev 1500 with a 700 R4. My tranny does not want to shift. When you first put it in gear it don't go in smooth it clunks. It don't want to shift half the time either i have to rev the hell ot of it to get it out of first then it will clunk into second, sometimes i can't even get it out of first. It seems to be the worst from first to second and second to third it isn't bad after that. Now, it does not do this all the time sometimes it works fine. I have had probloms with it acting up 2 or 3 times about a year or so ago but then it worked fine since. Now it does it pretty regular. Anyways at first i thought of the vacuum module but the 700 as you all know has the throttle valve cable that controls shift points and everything i was wondering if you guys think it would be something with that or something internally. Im hoping its something with the tv cable. Any thoughts would be appreciated. Thanks

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Old 04-21-2004, 09:52 PM
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Cool

I would verify the TV cable is adjusted and functioning correctly.

Perhaps the cable is sticking?
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Old 04-21-2004, 09:55 PM
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I think crosley is right on check the adjustment.
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Old 04-26-2004, 02:08 PM
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Had the same problem, on my Camaro...

The TV Valve behind the spring and plunger is sticking and causing too much pressure to the tranny...like you are full throttle all the time.

Need to remove the pan, 1-2 accumulator piston cover, TV bushing pin, and plunger/bushing. Remove the spring, and use a magnetic screwdriver or magnet to loosen the valve. WOrk it real good and put it all back together. maybe a good time to change filter and fluid to get gunk out as well.

Use this site to help you....

http://www.tvmadeez.com/article/index.php

Good Luck!

Tom
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Old 01-08-2007, 10:14 AM
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TV cable

I will bet the TV cable is not adjusted correctly, has been slipping, and the transmission is now smoked...
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Old 01-08-2007, 11:47 AM
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I have found that if the TV cable is disconnected or gone into "line disconnect" the transmission rarley fails, as it defaults to full TV pressure. However, if it is gone the other way, I have seen several fail from slippage due to lack of TV boost.

But I am not an expert in the trans field, just a general tech.
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Old 01-08-2007, 01:56 PM
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700 R4 won't shift

Yes,but by virtue of your post,a wise general tech!
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Old 01-08-2007, 05:32 PM
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Quote:
Originally Posted by handsome harv
I will bet the TV cable is not adjusted correctly, has been slipping, and the transmission is now smoked...

handsome harv........ please read the 'dates' on the threads when you perform a 'search' of this board.....

this thread you responded to is near 3 years old.

plus the answer has been supplied at that time.

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