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Adjusted TV cable, now they say you cant do it that way, whats up?

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Old 06-18-2004, 05:06 PM
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Car: 1986 Trans Am
Engine: 305 LB9 TPI
Transmission: 700-R4
Adjusted TV cable, now they say you cant do it that way, whats up?

Ok 4 days ago i redjusted the tv cable, i pushed the button, and i pushed back the little thing, and then i floored the pedal. How is that the wrong way? Arn't they made to be able to set that way, why cant i?

Someone said i need to set it manually but i dont know **** about gettign down and dirty setting that manually.

And the topic started when i said my car goes in 1st until it hits damn exactl 5k rpm, and then it shifts, then it waits till like 4k or 4.5k for the next and so on. I dont think they are off they, it just didn't use to do thatbefore i readjusted the TV cable.



Shane

Last edited by therckid; 06-18-2004 at 05:15 PM.
Old 06-18-2004, 05:20 PM
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Car: 1984 Trans Am WS6
Transmission: 700r4 Highly Modified
If you still have the stock cable the first way you described is the only way to adjust it. There is not adjustment in the trans that I know of. Make sure your governor is correctly calibrated and working also.
Old 06-18-2004, 05:45 PM
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Car: 1986 Trans Am
Engine: 305 LB9 TPI
Transmission: 700-R4
oh yeah its governed alright, but the car shifts from 1st at 40-45MPH. That seems like its hard on the eninge to me.
Old 06-18-2004, 09:42 PM
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Car: White 25th Anniversary RS
Engine: lt1
Transmission: t56
Axle/Gears: 4:10
in my past auto experiencethe tv is all the way out at wide open throttle is my rule of thumb. try it see what happens. if its not out far enough you will not have enough pressure and you will ruin it.

good luck
Old 06-18-2004, 10:56 PM
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Car: 1986 Trans Am
Engine: 305 LB9 TPI
Transmission: 700-R4
thats the thing though, when i reset mine, it never wanted to come all the way out, it just came a little bit out.

Today i tried haveing WOT and then pushing the button, someone told me todo that, but it didn't want togo back in when throttle was out so it didn't seem right. I dunno, i heard 4 clicks the first time and i thought i should be hearding them this time when i tried it differently but i dunno.


The first tiem i followed these instructions here,
http://www.tciauto.com/instructions/...ble_adjust.htm
Old 06-18-2004, 11:16 PM
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Car: 88 Camaro SC
Engine: SFI'd 350
Transmission: TKO 500
Axle/Gears: 9-bolt w/ 3.23's
ok..............

Its better to set the maximum ammount of tension with the throttle wide open rather then let it self adjsut. Most of them will self-adjust ok but when your car (if its like mine) has gone far enough around the block to travel to the moon with miles to spare it may not self adjust correctly due to wear from being adjusted and be too slack. Mine would do this and shift like crap. Pulling the cable back by hand with the throttle open to put max tension in it and let it self adjsut if need be worked the best. Letting it self adjust by itself left too much slack in it.

Quick way to check the cable is to open up the throttle all the way and see if there is any slack in the cable itself. There should be NONE. If you can push the cable to the side or its really loose then it needs to be re-adjusted.

Alternatively, your throttle valve could be stuck due to dirt or debris. Mine loves to do it, especially when its raining out. Nothing like having to sit in the rain pulling on the cable about a zillion times to free up the valve. Cant blame it, though. The trans is totally sludged out with metal and friction material so its not much of a surprise.

So, go out and check it already. Adjust it if need be and see if your 'problems' clear up.
Old 06-19-2004, 07:20 AM
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Car: 1995 Corvette
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Transmission: 6 spd Manual
Axle/Gears: Dana 44, 3:45:1
If your car has been to the moon and back () your TV cable spring is worn out anyway and you'll never achieve the "proper" adjustment (read: at WOT, with the valve completely seated in the sleeve, the spring is too worn out to push the valve as far as it should in that position)...
Old 06-20-2004, 10:49 AM
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Car: 86 Monte SS (730,$8D,G3,AP,4K,S_V4)
Engine: 406 Hyd Roller 236/242
Transmission: 700R4 HomeBrew, 2.4K stall
Axle/Gears: 3:73 Posi, 7.5 Soon to break
same issue

I'm having the same issue and have readjusted like Dimented has stated as well as the OEM way.
My cable has some spring tension to it as I begin to pull it although I think my throttle moves farther than the length of pull on the cable.
1.) Is that possible?
I ask because in the past (and previous present) that when slammed to full throttle the cable would mechanically get pulled forward and release a few clicks.
Then I was back to shifting at 3K again.
As of today, I'm shifting at 4K and no cable adjustment will correct it.
Am I screwed?

Ps.
Not ment to hijack thread, just looking for additional causes for this behavior.
TIA,
JP
Old 06-20-2004, 11:13 AM
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Car: 88 Camaro SC
Engine: SFI'd 350
Transmission: TKO 500
Axle/Gears: 9-bolt w/ 3.23's
If it doesnt hold teh tension, then you'll probably need a new TV cable or the present one is binding up for some reason. I take it that after you set it once it goes to WOT a couple of times more it goes out all on its own.
Old 06-20-2004, 11:25 AM
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Car: 86 Monte SS (730,$8D,G3,AP,4K,S_V4)
Engine: 406 Hyd Roller 236/242
Transmission: 700R4 HomeBrew, 2.4K stall
Axle/Gears: 3:73 Posi, 7.5 Soon to break
Correct, it releases a few clicks. It used to be resttable and the shifting would return to what I thought was normal, now it won't shift normally even with the cable readjusted.
I got a book hare and am trying to find where the parts are that may be stuck or sticking (like stated above).
If I can feel tension from the cable wouldthat necessarily indicate that everything is moving like it should?
Or just that there is only 1 part of many that is moving.
Just figuring I'd try to unstick something before taking it anywhere.
Old 06-21-2004, 06:54 PM
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Car: 86 Monte SS (730,$8D,G3,AP,4K,S_V4)
Engine: 406 Hyd Roller 236/242
Transmission: 700R4 HomeBrew, 2.4K stall
Axle/Gears: 3:73 Posi, 7.5 Soon to break
Working Follow up!

I got some advice from a good local tranny guy, He told me that the throttle valve is what was stuck. He normally adds a "helper" spring behind it to eliminate this common problem on the 700R4's.
I drained the pan and had only slight silt in it with good color to the fluid still. (I don't know when the trans was built)
He told me to change the filter and fluid, Then put the car in reverse and hammer it a few times, then let it sit in reverse while power braking for 2-3 minutes.
I did it and the valve came loose and now shifts OK.
This might help others do a quick fix if it happens.
Also if you have particles in the pan, don't bother. The problem will re-ocurr tomorrow or at the worst possible time and to just get it rebuilt.
He offered to put the spring in for $150 total job, or $10 if I brought the valve body to him.
Thankfully I got it working for hardly anything.
JP
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