Broken plug adapter

wire knot

Petty Officer 2nd Class
Joined
Aug 24, 2006
Messages
137
2010 5.0 GXI-P. Ser.#40869306.

I was having trouble installing the drain plug that's in the bottom of the ex. manifold...I know, I'll take it out and try to chase the threads clean. A little pressure and snap. adapter breaks. This is part #21238201. I know I can get another, but I was hoping someone knew what the thread size in the manifold is? I've got a 1/4 npt tap , it doesn't fit. The hole is slightly smaller. I think I can
tap it out to 1/4 but i'd rather just clean out whats there. Anyone know what size this hole is?

Thanks
WK
 

wire knot

Petty Officer 2nd Class
Joined
Aug 24, 2006
Messages
137
Re: Broken plug adapter

Turns out that the plug will screw into the manifold w/o the adapter. I'm still gonna need to tap the hole.
 
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