700 R4 Valve body ???'s - Hot Rod Forum : Hotrodders Bulletin Board
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Old 09-15-2003, 07:05 AM
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700 R4 Valve body ???'s

Hello all, I have a 93 700r4 out of a 'Y" body (vette), with a 3500stall with lock up and.... no passing gear.

My question is...are there any ball bearings or any other parts that will fall down when you drop the valve body. Reason for dropping is that I have no passing gear or any valve modulation under acceleration..just changes gears while under hard pedal at wrong RPM, and would shift from first to second untill your about 5000 RPM's

Do ya'll think its a TV problem, maybe a stuck valve? I put a pressure gauge on the pump outlet port and I had about 120-130 psi and when you tried to adjust the TV cable there was no pressure movement at all +/-.

I am under the impression that I can see the TV valve but can not remove it unless the valve body is removed...correct?

Any inputs on my problem would be heard on grateful ears.
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Old 09-15-2003, 07:53 AM
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Cool

there are several check balls that will fall from a valve body when it is removed. Gaskets usually tear apart.

If you have no pressure increase with the pull of the TV cable, something is wrong. A stuck TV valve, bad or bent linkage inside, cable stuck inside the cable housing..

the TV valve can be removed from the body without removing the body from the trans case. IF the TV valve is stuck , you probably will not be able to get the valve out without unbolting the valve body.

EDIT.... the TV plunger and spring can be removed with out taking the vb off. The actual TV valve has a roll pin in the way..... so sahort story is ; take the valve body off if the TV is stuck.

I need to proof read this stuff.
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Last edited by Crosley; 09-15-2003 at 01:07 PM.
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