1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Transmission Plug

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Old 05-01-15, 07:30 AM
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Does anybody know where I can buy this plug for the transmission? Some how it came off. I never saw a leak anywhere and I really don't know how the hell it came off, what is its importance? I just noticed while I was under my car.
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Last edited by Jere Urso; 05-01-15 at 10:12 AM.
Old 05-01-15, 07:38 AM
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Originally Posted by Jere Urso
Does anybody know where I can buy this plug for the transmission some how it came off. I never saw a leak anywhere and I'm low on transmission fluid now.
That hole shouldn't leak fluid unless you have a rear main oil seal leak on the engine or a front cover leak on the transmission. Even if the cover comes off you shouldn't have fluid in there. I believe that it is just an inspection hole so you can see the flywheel teeth, clutch, starter engagement, etc.
Old 05-01-15, 07:40 AM
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Originally Posted by Glazedham42
That hole shouldn't leak fluid unless you have a rear main oil seal leak on the engine or a front cover leak on the transmission. Even if the cover comes off you shouldn't have fluid in there. I believe that it is just an inspection hole so you can see the flywheel teeth, clutch, starter engagement, etc.
Yeah I had to edit my post because just the front of my car was up giving the misconception of low fluid due to all of it moving towards the back lol

Know where I can get the plug at?

Last edited by Jere Urso; 05-01-15 at 09:17 AM.
Old 05-01-15, 12:27 PM
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I'm not sure if Mazdatrix had then or not, but I could use two of them myself.
Old 05-01-15, 11:58 PM
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Best bet would be to find used ones, and those will be hard to come by unless you find them in a part out.
Old 05-04-15, 02:00 AM
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Inspection hole. Mine got pretty torn up using wood to support the transmission sitting on that nice flat bottom - right where the inspection hole and rubber plug were.

If you can't find a plug to fit, you could likely clean the hell out of it and slap some duct tape over the hole. Yes, I just recommended duct tape on an RX7 - a first for me.
Old 05-04-15, 06:36 AM
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Originally Posted by LongDuck
Inspection hole. Mine got pretty torn up using wood to support the transmission sitting on that nice flat bottom - right where the inspection hole and rubber plug were. If you can't find a plug to fit, you could likely clean the hell out of it and slap some duct tape over the hole. Yes, I just recommended duct tape on an RX7 - a first for me.
Haha its better than nothing I suppose.
Old 05-04-15, 09:46 AM
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Later bellhousings have a vent cast into the side. How different is a side vent from an inspection hole on the bottom? What I'm saying is you could probably leave it open and not experience too many downsides.
Old 05-04-15, 11:20 AM
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Originally Posted by Jeff20B
Later bellhousings have a vent cast into the side. How different is a side vent from an inspection hole on the bottom? What I'm saying is you could probably leave it open and not experience too many downsides.
I'm just worried about rain water and other debris getting into the hole.
Old 05-06-15, 10:12 AM
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That grade A tape job though.
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Old 05-07-15, 12:53 PM
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"Custom"!

It should work as well as the rubber plug. Nice work,
Old 05-07-15, 11:45 PM
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Originally Posted by Jere Urso
That grade A tape job though.
Speechless.... LOL
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