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+--- Thread: Missing vacuum modulator pin (/thread-missing-vacuum-modulator-pin)
Missing vacuum modulator pin - Thomas11311 - 04-02-2022
Troubleshooting trans issues. Right now I have the governor off and cleaned the screen. Vacuum modulator I pulled out was obviously incorrectly replaced by prior owner. Has the wrong modulator having a green stripe rather than purple stripe for 91 tracker automatic. The pin behind the vacuum modulator is missing. I called a few trans parts places such and they can’t get it. I was hoping somebody has the dimensions so I can have one machined. It is item 164 behind vacuum modulator on the page for the th180/3l30 here https://jpat.co.uk/uploads/1/0/3/5/103549764/03__gm1aa_3l30e_and_4l30e.pdf
RE: Missing vacuum modulator pin - Thomas11311 - 04-02-2022
Also if anyone knows where to get a gasket for the governor that would be great.
RE: Missing vacuum modulator pin - fixkick - 06-12-2022
the old 3speed A.T it is.
from 1976 to 1999 used mostly
i have a list in my tranny page,
The OLD 3L30 (THM180) 3 Speed transmission
my slide show may help
http://fixkick.com/tranny/slush/slide3L30/html/index.html
id 26?
http://fixkick.com/tranny/slush/slide3L30/html/image_6.html
last is real suzuki drawing and I have all p/n suzuki real then./ 89-2004
the purple will shift way too soon it is for super light car (vacuum = load on engine)