EGR tube block-off solution for the 4.2L - JeepForum.com
 
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post #1 of 10 Old 09-02-2011, 07:57 PM Thread Starter
tslroper
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1990 YJ Wrangler 
 
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EGR tube block-off solution for the 4.2L

There are alot of threads asking how to block off the hole in the exhaust manifold if you remove the EGR tube. Solutions were pretty hard to come by aside from welding it shut. I thought i would share my findings to make it easier for anyone else facing this canundrum.

The oil drain plug for late model dodge trucks fit perfectly. Autozone carried it for $4.99. The box says its M22x1.5 size and uses the end of a 3/8" drive ratchet to tighten it. I put a little threadlocker on the threads then spread exhaust putty around the outside to make sure it doesnt work loose. So far (its been a week) absolutely no problems with it.

I hope this saves someone else the headache of trying to find something to fit.


1990 YJ Islander, 4.2L MC2100 DUI HEI, 2.5" RE lift, 31x10.50 DuraTracs, HandenFab rear bumper / swing-out, Tough Terrain
off-road camp trailer.
Build thread: http://www.jeepforum.com/forum/f22/tys-yj-build-1502554/
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post #2 of 10 Old 09-02-2011, 08:20 PM
davsyjdd
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Thanks tslroper, I can use that tidbit of info.
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post #3 of 10 Old 09-03-2011, 10:25 PM
headhunter47
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Did this tonight but ran out of light before I could put the intake back together. Thanks for the idea!!
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post #4 of 10 Old 09-03-2011, 11:24 PM
Sawicki4wd
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Any idea what year dodge it comes from. I made a plate out of 3/8 Aluminum and it 100% blew apart in less then a week. So this would be an amazing fix. I tried everything from a plate to brazing to that exhaust putty
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post #5 of 10 Old 09-04-2011, 07:18 AM
jay-h
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Not sure why you would remove the EGR. It does not hurt performance and actually serves to cool combustion temperature.
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post #6 of 10 Old 09-04-2011, 10:57 AM Thread Starter
tslroper
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There are no years listed on the packaging, it simply said dodge trucks. It was something carried on the shelf at the local autozone though. Should be easy to find, just compare the size. Like i said, it listed it as M22x1.5

1990 YJ Islander, 4.2L MC2100 DUI HEI, 2.5" RE lift, 31x10.50 DuraTracs, HandenFab rear bumper / swing-out, Tough Terrain
off-road camp trailer.
Build thread: http://www.jeepforum.com/forum/f22/tys-yj-build-1502554/
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post #7 of 10 Old 09-04-2011, 11:12 AM
mcmud
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Quote:
Originally Posted by jay-h View Post
Not sure why you would remove the EGR. It does not hurt performance and actually serves to cool combustion temperature.
While I totally agree with jay, I thank you for posting this info, it should be a help to those that are in search of this fix.
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post #8 of 10 Old 09-04-2011, 05:32 PM
Sawicki4wd
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I removed mine because I couldn't get a replacement egr tube
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post #9 of 10 Old 09-04-2011, 07:20 PM
Tompatt
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Quote:
Originally Posted by Sawicki4wd View Post
I removed mine because I couldn't get a replacement egr tube
same. i had to cut the tube when I changed out intake manifolds and just had to weld the ends shut.

Thomas
-1987 YJ
Jeep Build
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post #10 of 10 Old 09-04-2011, 10:48 PM
Sawicki4wd
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It's a hard thing to come by. I looked everywhere. Mine has no emissions in mass so as longs as the egr is there it doesn't matter. It's annoying tho. The exhaust manifold I bought new stripped my 02 sensor. So I had to bolt that up to. I could have gotten a new one but I wasnt gonna pull it back off.
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