Transmission / Overdrive: 700r4 won't shift out of low.

[rrtaylor]

Ideas?
newly rebuilt been sitting awhile. Stuck valves?

[sweetolbob]

Ideas?
newly rebuilt been sitting awhile. Stuck valves?

Let these folks help. I'm betting TV cable adjustment or no power to the trans.

http://www.jalopyjournal.com/forum/threads/700r4-wont-shift-out-of-1st.656051/

Bob

[bige]

Chances are the gear on the governor stripped. Messy but not expensive or difficult. Very common

[bige]

A way to further diagnose without getting underneath...when the governor isn't operating correctly you don't feel much in the way of engine braking. It almost feels like you are going into neutral when you come off the gas.If the TV valve is stuck disconnecting the TV cable and pulling on it manually with the trans in neutral and the engine operating at about 2500 rpm will loosen the stuck valve, sometimes.

[sbca96]

If the TV cable isnt hooked up at all, it WONT shift out of 1st and it will slip something awful.
Improperly hooked up TV cable will also act weird. This is critical, unlike the "kickdown" shaft
on a Studebaker auto trans.

Tom

[JoeHall]

I thought the 700R electrics were only related to TC lockup, and had nothing to do with up/downshift (which is controlled by the TVC). At least that's my recollection when I removed the OEM wiring and installed an aftermarket wiring/switch kit to allow the TC to engage/disengage based on an open/closed engine vacuum switch.

[rodnutrandy]

The only thing electric in a 700r4 is the converter lockup , so no power will not stop shifting . The cable could have an effect, but I am not up on all the problems of a 700r4 .

[wittsend]

There are many different valve bodies with pressure triggered switches. To my best understanding they are all related to engaging the lock up convertor. The simplest being a single switch to lock up in 4th gear. Have someone sit in the car and push the gas pedal to the floor. Pull on the TV (throttle valve) cable. If any cable continues to pull out at full throttle then it is mis-adjusted. There are many sites that show how to properly adjust the cable. I say that assuming the brackets and actuation arm on the carburetor are properly constructed. There are very specific placement and angles standards that need to be followed.

[StudeRich]

If the TV cable isnt hooked up at all, it WONT shift out of 1st and it will slip something awful.
Improperly hooked up TV cable will also act weird. This is critical, unlike the "kickdown" shaft
on a Studebaker auto trans. Tom

It is exactly like a Studebaker Throttle pressure manual rod, it CONTROLS the pressure and shifting of the Trans. it just uses a different method to do it.

Some people actually THINK that the Throttle Pressure Linkage Rod is only for kick-down but it is NOT.
Maxing out the running pressure will CAUSE a downshift however if the Governed upshift speed has not been reached.

[rodnutrandy]

And mis adjustment will fry the transmission .

[Stude Star]

Ideas?
newly rebuilt been sitting awhile. Stuck valves?

Dude, we need way more info than that. Was it rebuilt then left? Was it rebuilt used and was fine then left and now doesn't work? What was rebuilt? The whole trans? How hard have you revved it? Will it change manually into other gears??
I rebuilt the 700 in my Stude and had a few minor issues, mine being wouldn't change into 2nd, but would do from 1st straight to 3rd, turned out the band pin wasn't located properly

Forget the electrics for the mo, it will still change gear if everything else is ok.

[rrtaylor]

Long story short. Took it to a mechanic I trust. His professional opinion -Junk. The rebuild needs rebuilt.
She ran great when I parked her. Right.
Not happy happy happy.
Lately I am finding a deal is not a deal. When it comes to things I know nothing about I am going to start spending the money and getting a warranty.

[bige]

With all due respect to your mechanic diagnosing your transmission as a bad rebuild because it won't shift out of first is the same as telling someone they need an engine because it won't start. It's a common issue with a 700 or a 200 for that matter that has been sitting.

If the pan wasn't pulled down to check the control valve or the governor wasn't inspected for a stripped gear the diagnosis was made by someone who doesn't know what they are looking at and before you spring for another trans follow your own new directive and spend the money to get a transmission expert to look at it. No offense meant.

[rrtaylor]

With all due respect to your mechanic diagnosing your transmission as a bad rebuild because it won't shift out of first is the same as telling someone they need an engine because it won't start. It's a common issue with a 700 or a 200 for that matter that has been sitting.

If the pan wasn't pulled down to check the control valve or the governor wasn't inspected for a stripped gear the diagnosis was made by someone who doesn't know what they are looking at and before you spring for another trans follow your own new directive and spend the money to get a transmission expert to look at it. No offense meant.

No offense taken. That is exactly what I did.

I did not post enough information and therfore you assumed I took it to Jimbob's shade tree. The pan was removed and the trans inspected. It was then sent to a transmission shop in Kinston who notified me it needed rebuilt. I posted the question seeking guidance and opinions from the forum knowing there are very knowlegable people on the site. I do apprecite all the help from the site. I will call the trans shop and find out exactly why the transmission needed rebuilt and post the findings here. Thanks again for all the trouble shooting tips.

By the way I had an engine that would not start once and I had to replace it. It had a rod through the block.

[rodnutrandy]

Not saying yours is one, but a lot of transmission shops will throw some metal shavings in your pan and claim it needs a rebuild even if it doesn't . I took a ranger to a local transmission shop due to needing the truck and my trusted transmission shop was closed on vacation . I drove the truck to the shop , problem being no overdrive. Told them I wanted to be their when they pulled it. They call ,say it is out and show me a bunch of broken parts saying it needs a major rebuild. Remember , I drove it in, No way that many parts were broken . But , I had no proof of what they pulled . Be careful !