It is just underneath that odd-looking nut ( sometimes called a gland follower ) that fits round the spindle where it goes into the valve body.
32.
The transmission is very popular in the sport of drag racing today, with units equipped with manual valve bodies and transbrakes, some of which are air shifted.
33.
The C4 was also found with valve body in the empty hole, dropping the bolt in from the top and using the nut on the bottom / filter side.
34.
The top is then screwed back on, and the unit is pressurized with an air compressor via the Schrader valve located on the back of the main valve body.
35.
If the valve is blocked or stuck closed it may be necessary to release the pressure by removing the burst disc or drilling into the valve body below the valve seat.
36.
Between 1984-1987, internal components, from the ring gear to the oil pump housing, were updated, ending with the auxiliary valve body for 700s manufactured after October 1986.
37.
In the center of the exterior end is a metal pin pointing along the axis of the tube; the pin's end is flush with the end of the valve body.
38.
The multitude of parts, along with the complex design of the valve body, originally made hydraulic automatic transmissions much more complicated ( and expensive ) to build and repair than manual transmissions.
39.
This facilitates efficient cleaning of deposited sediments, replacement of seats and gland packings, polishing out of small scratches on the ball, all this without removing the pipes from the valve body.
40.
Much of the difficulty in staging a " clean " 2-3 or 3-2 shift in any cast iron Hydramatic was the changing elasticity of the governing springs in the valve bodies.
