Look underneath on the transmission.It screws in and usually has a round head on it.2-3 times bigger than a spark plug and a vacuum hose attached to it.Just pull the hose lose and unscrew it with visegrips or suitable tool.A repair manual will show you exactly.
Dude, there isn't a modulator on a Chev truck of that era. And if it had a turbo 400, the mod is held in by a little bracket. I am sure you have a 4L60E however. Dan the tranny man
YOU can't. It don't have 1
That year truck does not have a modulator valve on the transmission. it has a electronic transmission in it.
modulator is round and located on the drivers side of the transmission. modulator unscrews from the transmission if it is a 700 R4 It unbolts with 2 7/16 bolts if it is a turbo 350 Unplug the vaccum line remove the modulator replace with new modulator hook up new vaccuum line
That year model did not have a modulator valve on the transmission.
That year did not use a modulator valve. The transmission is COMPUTER controlled.
That transmission is COMPUTER CONTROLLED and does NOT have a modulator valve. If you are having transmission problems then you need to have the transmission scanned with an OBDII engine scanner to see what is going on.
diagram of replacing a modulator valve for a 1985 Chevy suburbun van
That transmission is electronic controlled. No need for a modulator valve.
That transmission does not have a modulator valve on it. It is computer controlled to a point.
on the side of the transmission
NO it does not. The transmission is controlled by the computer.