n0rlander Posted March 7, 2012 Share Posted March 7, 2012 Wanting to plug the erg pipe that runs from the passenger side head to the intake. Is it an NPT thread or metric or standard? All the bolts and plugs in my tool box didn't fit:mad: Link to comment Share on other sites More sharing options...
GeneralDisorder Posted March 7, 2012 Share Posted March 7, 2012 Why plug it? With an EGR or block off plate installed its effectively plugged. GD Link to comment Share on other sites More sharing options...
n0rlander Posted March 7, 2012 Author Share Posted March 7, 2012 I have blocked off the egr with a plate. Are you sure that pipe is not venting anything back into the manifold? If for no other reason than to clean up the messy look if its not necessary. Thank you for your reply. Link to comment Share on other sites More sharing options...
GeneralDisorder Posted March 7, 2012 Share Posted March 7, 2012 Block off plate isnt even neccesary. Without a vacuum supply the valve is its own block off plate. The thread is definitely metric.... Probably M16 x 1.5. But you can easily make a plug from the old tube with a bit of welding. GD Link to comment Share on other sites More sharing options...
n0rlander Posted March 7, 2012 Author Share Posted March 7, 2012 or brazing? Looks like the tube is brass. Thanks for everyones input. Love this forum. Link to comment Share on other sites More sharing options...
GeneralDisorder Posted March 7, 2012 Share Posted March 7, 2012 The tube is steel. Brazing would work I suppose but typically welding is just easier. GD Link to comment Share on other sites More sharing options...
ebarb Posted August 29, 2017 Share Posted August 29, 2017 Old thread, but I measured tonight and can confirm GD's estimate of 16mm is spot on. Bel-metric carries some fairly cheap M16x1.5 plugs if you don't have access to a welder. Link to comment Share on other sites More sharing options...
Subaru Scott Posted August 29, 2017 Share Posted August 29, 2017 Or cut the tube just past the fitting, mash it flat with a hammer, then fold it over and pinch it tight with said hammer. Link to comment Share on other sites More sharing options...
86BRATMAN Posted August 30, 2017 Share Posted August 30, 2017 Auto parts stores also carry an easy egr plug, it's an m16x1.5 oil drain plug. Link to comment Share on other sites More sharing options...
jono Posted August 31, 2017 Share Posted August 31, 2017 Think seen spark plug scewrd in same hole make it a fourteen mm . is that 2.0 mm pitch? Link to comment Share on other sites More sharing options...
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