3rdgenmaro

iTrader: (9)

I had a bad torque converter a few months back. It caused me to drop a lot of fluid. Well I finally got my new converter put in yesterday. I put it in drive, the car shifted to first and I took off down the driveway. Trans shifted just like it always has, smooth and strong. But when I came to a stop, it started back out in second. It never downshifted to first.

The TV cable has been adjusted and adjusted but it still does it some. I know that when you shift it into D it starts in first. But most times when you drive in D and you slow back down, it will start back in 2. Putting it into 2 or 3 on the shifter and when you stop it will go back to first. Just not in drive.

I done some reading and searching and seen that it could be the TV cable, but I am certain it is setup correctly. Shifts just like it did before. I also read something about a sticking valve causing the forward clutch to not release? Is that right?

Im pretty sure it aint in the shifter linkage. It goes to park and first easily.

Any help or insight on to what is going on, how to fix it, or if it will hurt anything to drive it.

Thanks

3rdgenmaro

iTrader: (9)

Well I just went and adjusted the cable again. If anything it is slightly too tight but adjusted the same way that it has always been without issue.

When the shifter was in D, 3, and 2, once you were driving, if you came to a stop, the transmission would start back out in second. It wont downshift back to first.

1-2 upshift right around 3100 rpm. Same for 2-3.

freaky

will it go in if you shift it manually ?

3rdgenmaro

iTrader: (9)

yes.


I done some more reading and heard that if line pressure at idle was over 90 psi, then you would get second gear starts. This makes me think that the TV cable could be too tight.

But here is how I set it. First off, TCI TV/throttle cable bracket, Holley carb with the geometry corrector. I pushed the tab on the TV cable and pushed the adjuster all the way back into the housing at the bracket. Then I slowly opened the carb all the way open and let it "pop" out. It currently looks like around 3/8" came out.

I really dont want to get it set wrong.

Where is the test port that you use to check line pressures? Is is one of the plugs on the drivers side? Can you get to them in the car?

Thanks

antoine

A bad govenor will have second gear starts

3rdgenmaro

iTrader: (9)

Hmm. How do you check and what usually needs to be fixed.

'84thunder

i have the same tranny you have. although mine has a manual valve body on it, which lets me shift the gears when i want to or just put it in drive (D) and drive it with automatic shifting. the 700r4 was never a manual trans therefore if you want to shift it like one you need the proper add ons like a manual valve body. i have the TCI Street Fighter stage 2 700r4 from summit. great tranny, its like a tank. if you like to drive hard, i suggest changing ur fluids more often then your spose to.

3rdgenmaro

iTrader: (9)

I think you misread something or I wasnt clear on my posts.

'84thunder

yeah probably...

3rdgenmaro

iTrader: (9)

Well I just bought a pressure gauge.

Plan right now for friday/saturday is to check line pressure and Im going to pull the governor to check it.

MAC_87

iTrader: (3)

Theres two lengths to the TV cables that Oreilly's and autozone sells. Oreillys sold me the incorrect length due to it being listed incorrectly, (One being for the 5.0, the other being the 5.7) - And yes there is a Slight difference, by a Few inches...Unfortunately that wasn't discovered until After i got it installed. Thankfully my mechanic replaced the TV cable with the Proper cable i bought from the Chevy parts dealer for free.

I suggest you make sure you have the proper length if its feeling a little tight...

MAC_87

iTrader: (3)

.

MAC_87

iTrader: (3)

yay double post! ugh, dang phone...

3rdgenmaro

iTrader: (9)

Well the one I had was too long. So I added a crimp to the end of it to shorten it up. I was under the impression that the difference in cables was from TBI to TPI, not 5.7 to 5.0

MAC_87

iTrader: (3)

that may be true. i was just Told 5.0 / 5.7..

antoine

Stuck valve in the govenor It's next to the speedo housing the tv cable is not it.

91specialk

any idea why mine would be shifting to 3rd at 20 mph? Doesn't matter if in 'D' or 'OD' sometimes she will shift like this. 1st.....2nd3rd (it's not the 'TV' cable') i checked and adjusted that. AND if the shifter is in D it will shift to Drive and be turning 700 rpms... WTF?

So, if the speed limit is 40 or under i keep her in 'D' so she won't shift back and forth all the time.

When the above probem persists... To get her out of 3rd i have to manually shift her to 2nd (where there is a major (clunk) or i let off the gas pedal and slow down to at least 5 mph then step on the gas again (then there is a series of clunks). Another problem is sometimes when accelerating when backing up then to D and yes I do stop completely... there is a POP sound ( I can feel in the brake pedal and the shifter), but it only happens once and it also happens whlie turning right from a stop.

Keep in mind, the tranny performs very well most of the time. the odometer has 197,000.

any help would be apprecialted as i know almost nothing about transmissions.

You guys are gonna think i'm nuts i know, but i swear these are the problems that ensue the "Special K"...

onebadd86t/a

if you keep adjusting youre cable that usually means that the tv valve in the valve body is stuck if so you should either have to high line pressure or too low line pressure . if its to high you could get second gear starts and usually harsh up shifts. but if its to low you will get late sloppy shifts and burnt up trans did you pull the pan off when you replaced the torque converter. and was there any material in the pan if so theres probably your answer. a stuck governor would cause the same problem but you would have other gear problems as well

onebadd86t/a

if you keep adjusting youre cable that usually means that the tv valve in the valve body is stuck if so you should either have to high line pressure or too low line pressure . if its to high you could get second gear starts and usually harsh up shifts. but if its to low you will get late sloppy shifts and burnt up trans did you pull the pan off when you replaced the torque converter. and was there any material in the pan if so theres probably your answer. a stuck governor would cause the same problem but you would have other gear problems as well

3rdgenmaro

iTrader: (9)

TV valve is not stuck and yes the pan came off the trans when the new pump bushing was installed. No trash.

Plan right now for tomorrow is to pull the governor and check it. Reinstall and see what happens.

I am 100% certain I am adjusting the TV cable correctly.

antoine

When you take the govenor out shake it and see if the valve in the inside moves up and down.

3rdgenmaro

iTrader: (9)

I pulled the governor out yesterday. Everything was working. I made sure the valve inside moved freely.

Put it back in and it still didnt downshift to first unless I put the shifter into 1.

Now when the transmission is good and warm it will downshift. It almost has to be a pressure issue but I adjusted the TV cable per the book and I am leaving it like it is. When it is warm it will downshift. I dont want to be too loose. So for now, Im driving it like it is and I will manually downshift if I need to.