Vacuum-operated modulator valves are installed in automobile automatic
transmissions for the purpose of controlling shift patterns. The modulator is
The modulator valve works together with the governor or throttle of your engine to
determine appropriate speeds for shifting gears. If the transmission modulator ...
Jan 7, 2016 ... Common signs include engine performance issues, the Check Engine ... If the
EGR vacuum modulator diaphragm tears or leaks it will disable ...
www.ask.com/youtube?q=How To Know When Your Modulator Valve Is Bad&v=ram2Ni0aUPM
Feb 17, 2015 ... Transmission modulators act as a vacuum kickdown valve which is ... do you
think the problem is Transmission modulator or something else. waiting for your
response. ... if the module is bad will it cause kick down issues?.
Answer (1 of 4): You will be able to tell if your transmission modulator is not ...
Another way to test for a bad modulator valve is to drive your car, starting at a ...
Jan 3, 2010 ... ... the symptoms be for a C6 trans be if the modulator valve isn't working? ... I did
have a bad dist vac modulator it was ruptured and the timing ...
May 19, 2007 ... Means bad head gasket.. The Modulator valve is run by motor vacuum and
controls the shift pattern of the transmission. If the motor is not ...
The modulator takes this vacuum signal and helps tell the transmission when to
... Transmission fluid also does a good job of cleaning out your engine, by the
way. ... This is a valve that's connected to the throttle so that the transmission
The next day I get into it and it's slipping pretty bad. Check the fluid.. ... The
modulator provides the engine load information to the valve body. If the
modulator is bad, it can cause the transmission to slip. ... You'll know if it's bad.
The following are key signs your transmission may be in trouble. ... Since throttle
position regulates the vacuum to the modulator, it stands to reason the engine ...
D. Inspect and repair the 3/2 switchover valve assemblies: 1980 to 1984 diesel ...