Does the 4L60E have a vacuum line?
Q: The vacuum line on a 4L60 transmission runs to what Hello, the 4L60 does not have a vacuum hose, it uses a throttle cable that connects to the throttle body . The 4L60 also needs a torque convertor clutch electrical signal. A turbo 350 uses a vacuum hose.
Where does the vacuum line go from the transmission?
If the truck has a vacuum hose to the transmission (to the vacuum modulator), the line will be a metal tube attached to the large tube that the transmission dipstick is in. It will come up and connect to a hose that will run to the base of the carburetor.
Which line is the return line on a 4L60E transmission?
The 4l60e top port is the return line, the bottom port is the pressure line. The bottom pressure port on the tranny should be hooked to the top port on your radiator. The bottom port on your radiator is the return and should be hooked to the top port on your tranny.
Does a transmission have a vacuum line?
The transmission vacuum modulator valve determines how much load is on the engine so the transmission can shift properly. It has a vacuum line that connects to the intake and measures the amount of vacuum in the engine.
What is the purpose of a vacuum modulator?
Vacuum Modulator is an engine load sensing device that converts engine vacuum into a transmission valve body input.
How does a vacuum transmission work?
The transmission vacuum modulator effectively works by consistently computing the load in your car’s engine with the diaphragm. As soon as a gear change is executed in line with the load demand, the diaphragm pushes the valve to prompt the spring to move in the reverse direction of the diaphragm.
What cars had a Turbo 400?
Generally, here’s a list of cars that used the TH400 transmission:
- 1965-1967, 327 V8 (Rambler/AMC)
- 1968-1971, 350 V8 (Buick)
- 1969-1972, 225 V6 (Buick)
- 1972-1975, 232 I6 (AMC)
- 1975-1979, 258 I6 (AMC)
- 1972-1979, 304 V8 (AMC)
- 1972-1979, 360 V8 (AMC)
- 1974-1975, 401 V8 (AMC)