C4 transmission plug identification

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tempestairbrush

Well-known member
Joined
May 22, 2013
Messages
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Location
Fayetteville NC
My Car
1973 Mustang Mach 1 Q code 4 speed
1973 Mustang fastback
1972 Mustang Mach 1 Q code 4 speed
I have lost the plug on my transmission while rebuilding it that is inside the red box on this picture and it looks to me like it is just a normal plug. Does anyone know if it is some kind of special part that has to be in that hole or just a standard plug to stop ATF from leaking out? thanks\

c4.jpg

 
I believe that is a plug that is removed to run pressure tests.
Thanks that is what i was kind of leaning toward being i pulled a similar plug off a FMX transmission in the same location on that transmission i had laying around the garage to replace it. Just wanted to make sure before i started it up and damaged anything inside after it was just rebuilt and couldn't find any info on the internet about what it actually does.

 
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