700 r4 torque converter

rdobbs said:

Thats probably what happened a busted pump. Where is pump
located, and can an inexperienced person replace it, and how expensive
are they? Thanks RD

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With the transmission out and converter off it’s the very first thing you see, it will be more or less round in shape with a circle of bolts. They can be pretty pricy.



Instsllation is the converter first is filled with a few quarts of oil so it doesn’t start dry there’s a lot of bearings in there. The converter is then positioned oh the splined shafts extending from the front of the transmission, this sometimes takes a little fiddling to pick up the elements that are splined to these shafts. As you do this you ease the converter around till you feel it pick up the pump drive and slide essentially to the rear of the bell housing. When you look at the converter’s hub you see two cut outs directly across from one another, these slots engage the pump’s driving element. The outside diameter of this hub is what the transmissions front oil seal rides on so it needs to be clean snd undamaged.

When ordering parts for the 700R4 you will often see that there are two different sets of part types that are or can be unique to transmission with or without the auxiliary valve body, so this is a feature need to know whether it’s inside or not Of your transmission.

An aid to installation are a pair of brackets that bolt from each side using 2 of the dust shield‘s mounting bolts. This keeps the converter engaged with the pump till the bellhousing is bolted up to the engine, then the brackets are removed and the converter slid forward to the flexplate and secured to it.

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Bogie