Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - plugged vacuum modulator T-400
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Old 10-24-2012, 02:20 PM
0trbo4myCHEVUICK 0trbo4myCHEVUICK is online now
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Originally Posted by txturbo View Post
If I remember correctly.....there is suppose to be a small pin about an inch long in the modulator hole. Without it, it won't shift. I remember changing out a leaking modulator once and it didn't shift anymore after that. Turns out the pin came out with the old modulator and I didn't notice it. Replaced the pin and it shifted normally.
im gonna look into that right now.
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