on the pasenger side of the transmission in the casing towards the front of the transmission pan
located on the top of the transmission directly parralle from the catiletic converter
A modulator valve is located inside the case, in front of the modulator.
In the transmission in front of the modulator
On your 1989 Ford Ranger : The vacuum modulator valve is on the passenger side of the A4LD automatic transmission ( it might be behind a heat shield )
the modulator valve does not have a screw, however, the modulator located outside the modulator valve may or may not have one.
The 1997 Chevrolet blazer modulator valve is located on the firewall in the engine compartment. The valve will be on the passenger side of the firewall.
The At modulator valve is located on the side of the transmission between the transmission tunnel. you may have to lower transmission to get to it.
it is located on transmission right hand side just above trans pan and covered by heat shield for exhaust.
I'm not a mechanic / technician but the automatic transmissions on a 2001 Ford Ranger would be electronically controlled , so there wouldn't be a modulator valve
its electronic. no mod.
Typically, you can find the transmission modulator valve near the rear of the transmission. Its function is to control and regulate pressure.
The transmission modulator valve, On your 2006 Chevrolet Monte Carlo, is located on the top of the transmission. The valve should be labeled as such.