Th350 vacuum modulator purpose

The question was, what is the purpose of the vacuum modulator on an automatic transmission? Is it possible for a th3to function without running the vacuum modulator? I understand it'd be possible, I'd just have to shift thru the gears.

Th-3vacuum modulatorpostsAug 2010Help removing broken modulator valve clamp bolt on. TH3Shift Issues - Chevy Nova Forum,rh:stevesnovasite. Ford Questions - Vacuum modulator ctranny this one does not have a. TH3-which is main line pressure port?

Transmission Vacuum line to intake? TH3Governor Adjustments (Tranny Guys Wanted) - The 19- Present. Report another imagePlease report the offensive image. May 20- I've had the TH3in my car for 5-months now and everythings been smooth.

I always noticed the car will shift automatically prematurely. You need vacuum from the manifold to the modulator on the tranny to shift properly. It won't shift or it will shift at really high RPMs if you don't . As far as the adjustment, the screw is inside the tube where the vacuum line pushes on the modulator. Like CPT sai turn it in for a quicker shift .

I want to adjust my modulator to get the shifts to come a little later. If you do, simply unplug the vacuum line at the valve and insert a small . Where can the TH3vacuum modulator line hook up to on the engine? Can it hook to the carb or doe it have to go to intake manifold?

The engine vacuum at idle causes a very low modulator pressure (nearly 0). The rate of clutch engagement is a function of the modulator pressure; low .