The short form is: You pour fluid in one opening until it starts to run out of another opening. When it does that the transmission is full. There is no dipstick.
Fluid is added at the rear of the transmission housing ( a vertical surface) about 7-8 inches above the bottom of the housing. The car must be on a lift to access it. The other opening is a drain plug at the bottom of that housing. This plug connects to a tube that extends up into the housing. Open this plug (a small amount of fluid may drain) then add fluid through the rear housing opening until it starts to run out the bottom plug. The transmission is then full and at the proper level.
Transmission modulator valve is bad.
Fluid is normally added to this transmission with a machine that pumps it up a valve on the bottom of your transmission case. A Do It Yourself method of getting fluids in is to use a (very) clean grease gun. Just connect a plastic tube to the end of the grease gun and connect it to the valve on the transmission and pump it in. I own an '04 LS V8 and was recommended this by a mechanic and can attest that it works.
Flow valve for what? Coolant, transmission fluid, fuel, what? You need to be more specific.
Changing the transmission fluid in your LS should be performed by a qualified service technician. There is a fairly comprehensive procedure for servicing the transmission and it requires that the fluid be checked hot and cold. Too much fluid in your transmission will cause it to jerk when putting in and out of gear, the shifts will be choppy and it may even feel like its slipping, and finally there is an overflow valve that will cause the excess transmission fluid to leak out and onto the floor beneath the transmission. A qualified service technician will know how much fluid is enough and how to get it out.
I'm not a mechanic / technician but I read once that the modulator valve for the automatic transmission has a vacuum line connected from the valve to the engine and that transmission fluid can be sucked into the engine if something goes wrong with the valve
if youre referring to the bleeder valve, its on the clutch slave cylinder bolted to the transmission
To the left of the Transmission Fluid stick. It on a little "T" valve.
Does it have a dipstick?
There is no dipstick for the transmission. It has a check valve on the side of the pan.
Located on the valve body inside the transmission.
The valve body of a transmission is a complex component of fluid paths, sensors, and solenoids that are crucial the shifting and function of the unit. The valve body is the assembly directly accessibly upon removal of the transmission fluid plan. The replacement valve body for the 2000 Dodge Grand Caravan with the 3.8L engine and 41TE automatic transmission is Pioneer part #765024.
If a vacuum modulator has fluid in the vacuum port, it has failed and should be replaced.