View original topic: Black plug
West54 Mon Jul 13, 2020 5:20 pm


On my 2.1 L engine, the black plug (see picture) holds no more in place. What's behind this it mandatory ? :-s

Thank you


bobhill8 Mon Jul 13, 2020 6:01 pm

I got a new one here. I would not leave it open.

djkeev Mon Jul 13, 2020 6:21 pm

On an automatic transmission unit, that hole covered by the plug gives access to the bolts (3) which hold the torque convertor to the flex plate.

On a standard shift unit, it serves no purpose.
Many units are missing the plug and while it is possible for something to fall in the hole, it is probably quite rare.

If you have a plug, put it in.
If no plug, motor along, no serious worries.


Ahwahnee Mon Jul 13, 2020 6:42 pm

I found a rubber plug (shaped like a big cork) at Ace Hardware that worked.

dhaavers Mon Jul 13, 2020 7:10 pm

FWIW...37 electric panel knockout plug:


- Dave

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