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Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Transmission - Rearend> 700r4 wont shift out of first gear
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Topic Review (Newest First)
02-08-2009 07:32 AM
Crosley You need to find out where this debris is coming from..something is sticking the valves inside this transmission. You have gone from Throttle Valve sticking problems to shift valves sticking , along with governor problems.

It sounds like the cooling system for the transmission needs to be cleaned well or replaced. I would disassemble the transmission to clean and check everything.

You have posted about multiple valve body replacements caused by sticking valves. You posted about valve body cleaning along with governor sticking problems.

If the previous transmission trashed up the cooling system , that stuff will wash out with fresh fluid.
02-08-2009 07:15 AM
illegal regal
Quote:
Originally Posted by Crosley
no you do not.... the quote by briscoe you posted is about the TV valve in the v-body, not shift valves

You have a v-body sticking in up shifted mode = 2nd gear from what you post.

You have some debris that is sticking the governor or the shift valves. Something is causing debris to stick the valves.

If you have replaced the v-body and various other bits... the debris is from the cooler system of the trans, the converter, bushings...

so in other words give it a good flush? if so can i do it at home cause i know lube shops use a machine that pump new fluids in and old fluids out
02-07-2009 01:40 PM
Crosley
Quote:
Originally Posted by illegal regal
how do i keep my valve from sticking i have the same problem

no you do not.... the quote by briscoe you posted is about the TV valve in the v-body, not shift valves

You have a v-body sticking in up shifted mode = 2nd gear from what you post.

You have some debris that is sticking the governor or the shift valves. Something is causing debris to stick the valves.

If you have replaced the v-body and various other bits... the debris is from the cooler system of the trans, the converter, bushings...

02-07-2009 12:16 PM
illegal regal
sticking valves

Quote:
Originally Posted by briscoe
if you have access to a 0-300 psi gauge you should go to mainline tap,above manual linkage,read pressure in park should be about 70 psi with stock pressure regulator spring,if it is up around 90-95 psi suspect stuck tv valve in valve body,quick test,saves you the hassle of pulling gov.also if it is stuck and you pull the pan,to pull the valve body should be very little debris in pan,or dont bother pulling vb,the valve will stick again.if pan is clean,i will give you good advice on how to keep tv valve from sticking,hope this helps
how do i keep my valve from sticking i have the same problem
02-07-2009 12:11 PM
illegal regal
700r4 stuck in 1st

im having the same problem over and over. the tranny wont shift out of 1st. Ive had the valve body rebuilt twice and each time it shifts good but when i park it and drive it again it gets stuck in 1st. i even put another valve body on same problem. and i notice when i put it in reverse it goes in smooth but in drive it slams in gear. any suggestions
02-06-2009 06:18 PM
illegal regal
Same Problem Again

After driving for a day turning the car off. starting up and driving again... on 2nd gear!!! put a new valve body on it shift smooth. drove it again and no 2nd again!!! Any advice on what to do???
01-18-2009 09:48 PM
illegal regal
Its Fixed!!!

WHAT I DID WAS COMPELETLY DISASSEMBLED THE VALVE BODY. ONE VALVE IN THE REAR (opposite end of the pressure switches) WAS STUCK OPEN. SO I TOOK IT APART AND CLEANED IT IN DIESEL, LUBED IT UP GOOD AND CONTINUED ON WITH THE REST OF EM. PUT IT TOGETHER...FILLED IT UP...CHECKED FOR LEAKS THEN DROVE IT. THEN THERE IT WAS...SMOOTH AS AN CADILLAC BACK 75!!! THANKS EVERYBODY!!! HOPE THIS HELPS ANYBODY ELSE WHO HAVE THIS PROBLEM!
01-16-2009 01:07 PM
illegal regal
sticky t.v valve

where can i find a 700jr kit?
01-16-2009 11:06 AM
oldbogie
Quote:
Originally Posted by illegal regal
dose dust like metal flakes means the transmission is bad?
Junk in the oil isn't good.

Yes it shows something is wearing.

As you've already encountered control valves can hang up, often this is caused by junk in the oil getting caught in the valve bores and sticking the valve.

To some extent metal power suspended in the oil isn't all that uncommon to see especially in old oil. In an overhaul of the pump, as you did, I'd assume that you took advantage of the situation and replaced all the oil since at that point you could have removed the torque converter and dumped the oil out of it, which is something that is otherwise difficult to accomplish.

If you didn't, the converter's contribution of old dirty oil to anything you added would be considerable and the new oil would become contaminated. So the trick now is to determine if you looking a new metal particles or old stuff.

Bogie
01-15-2009 09:22 PM
illegal regal dose dust like metal flakes means the transmission is bad?
01-13-2009 10:16 PM
illegal regal ok my governor came out an 350 would that be the issue? i have a governor spring/weight kit. which spring/weight will make it shift quicker?
01-13-2009 10:02 PM
oldbogie
Quote:
Originally Posted by illegal regal
how will it ack if the t.v cable is out of adjustment?
Improperly timed to no shifts.

The way these basically work is that the TV cable valves and the governor develop competing pressures, when certain ratios of pressures occur then certain valves move to initiate the element that effect the shift.

You had said that you worked on the pump. If the pump is not delivering the correct pressures, the shift schedule will also be messed up.

Bogie
01-13-2009 09:54 PM
illegal regal how will it ack if the t.v cable is out of adjustment?
01-03-2009 01:51 PM
SSedan64 You can try these guys they have several listed.
http://mmerlinn.com/catalog/queen_yo..._f.htm#default

http://mmerlinn.com/catalog/makeridx.htm

http://home.teleport.com/~tsco/catal...dx.htm#default
01-03-2009 11:08 AM
50BLUECHEVY
700 oh 700

SS is right on again. i would install the jr kit but if your stuck on the same valve,[pun not intended] If you can get your hands on some fine lapping compound,put it on the valve and work it back and forth it will deburr it. If it is the model with the aluminum sleeve, I would look for a trans parts house that sells used parts or a junk yard and get a 4442 casting valve body.this will replace it with no mods. the 700jr kit is a great ungrade though.Good luck.
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