Trying to figure out why my 200-4r decided to start locking up and stalling the motor when I put it in gear.
So far I've switched out the TCC Solenoid and 4th Gear Pressure Switch. Unhooked the 12v+ signal to the Transmission and no change. Prior to removing from car I pulled the pan so I could make sure the TV cable adjustment was correct.
Trans pressure read over 100 when I first started it up and would drop down to about 75 once warm at idle.
Pressure increased instantly with throttle increase with TV cable hooked up and unhooked so I thought the TV valve might be stuck.
I went ahead and pulled the trans out and verified the Apply Valve inside the Front Pump was free, also the TV valve in the valve body moves freely.
The .555 boost valve has some blow-by when I hold the valve in place and blow through the hole in the boost sleeve using lung pressure. Not sure if this is normal or if it should be sealed with such little pressure.
I went ahead and split the pump. There are some grooves for sure in the housing and the rotor as can be seen in the pics. Although the Lockup valve didn't stick while pushing it in and letting it slide out under spring pressure, there is some sludge in the bottom of that port and some wear showing on the edges of the valve.
So far I've switched out the TCC Solenoid and 4th Gear Pressure Switch. Unhooked the 12v+ signal to the Transmission and no change. Prior to removing from car I pulled the pan so I could make sure the TV cable adjustment was correct.
Trans pressure read over 100 when I first started it up and would drop down to about 75 once warm at idle.
Pressure increased instantly with throttle increase with TV cable hooked up and unhooked so I thought the TV valve might be stuck.
I went ahead and pulled the trans out and verified the Apply Valve inside the Front Pump was free, also the TV valve in the valve body moves freely.
The .555 boost valve has some blow-by when I hold the valve in place and blow through the hole in the boost sleeve using lung pressure. Not sure if this is normal or if it should be sealed with such little pressure.
I went ahead and split the pump. There are some grooves for sure in the housing and the rotor as can be seen in the pics. Although the Lockup valve didn't stick while pushing it in and letting it slide out under spring pressure, there is some sludge in the bottom of that port and some wear showing on the edges of the valve.
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