Jul 6, 2013 ... I have sent word to a friend who knows these trucks in and out. ... The C4 automatic has a vacuum modulator that senses change in the .... I have a 1977 Ford Thunderbird and im looking at the transmission shift valve .. I need ...
The modulator valve on a Ford Truck is used in conjunction with the governor in a transmission to control the shift points. The governor controls the pressure in ...
In the case of my 1991 vehicle my mechanic changed the modulator valve ... Four years later my 1992 truck was eating tranny fluid though the vacuum system.
Jan 27, 2012 ... If the transmission modulator valve is faulty, it will usually result in your automatic transmission not being able to shift gears and may also result ...
I have a 1970 F250 just recently the truck when you romp on it would stay ... The modulator positions a valve so the fluid at high vacuum does not ... I do not know which terminology Ford uses for their transmissions. ... I did change the fluid and filter about a 1000 miles ago also the oil in the torque converter.
The modulator valve will adjust shift points accordingly along with the throttle valve linkage. Durable construction to tolerate severe service conditions.