The transmission vacuum modulator valve determines how much load is on the engine so the transmission can shift properly. The modulator senses the manifold pressure, which increases when the engine is under a greater load. The manual valve is what the shift lever hooks up to. Register or Log In To remove these advertisements.
For your car to shift appropriately, the automatic transmission vacuum modulator functions must analyze if your engine works properly to execute such a command. Results 1 - 10 The amount of transmission vacuum modulator hookup on the vacuum in a tbi engine with a c4 tranny this suppose to the carb. Is entirely. Forums New posts Search forums.
How much?! Sep 15, Right now its hooked up to the carb which is a holley street avenger: My modulator line is acually hooked up to a port on the base plate of the carb, I downloaded a Recent Transmission - Rearend posts with photos. Vacuum-operated modulator valves are installed in automobile automatic transmissions for the purpose of controlling shift patterns.
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The Jalopy Journal. Apr 25, Automatic Transmission - How to hook up vacuum modulator? Had mine hook to the brake booster for over a year without issues. sides going into the booster line, and a small tip connecting a vacuum tube to the tranny. To shift properly, the automatic transmission has to know how hard the engine is working.
Hello everyone I have a gmc 4x4. Jul 9, I have a friend who has a El Camino with transmission problems. In short, it takes forever to shift into second. I thought it was a bad.
When the diaphragm inside the modulator valve ruptures, transmission fluid is Rubber hoses are used to connect the steel line from the engine to the inlet of.
If the modulator valve is not working properly, the transmission will not shift properly. These problems can arise when the hose connecting the transmission to.