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Exhaust elbow, is it repairable?
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busdaddy
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PostPosted: Thu Dec 02, 2021 12:38 pm    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

How about some pictures?
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Norma
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PostPosted: Thu Dec 02, 2021 2:51 pm    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

Image may have been reduced in size. Click image to view fullscreen.

Image may have been reduced in size. Click image to view fullscreen.

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1976
Injected 2.0 Bay Window
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SGKent Premium Member
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PostPosted: Thu Dec 02, 2021 2:52 pm    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

that is the decel valve
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Norma
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PostPosted: Thu Dec 02, 2021 2:52 pm    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

No electrical on it.
This engine was put in approximately 2002?
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SGKent Premium Member
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PostPosted: Thu Dec 02, 2021 2:58 pm    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

I added an arrow over top of what looks like the egr tube. Your plenum has a micro switch on it so I am not sure whether it is an earlier 75-76 engine, or whether it is orphaned, or whether that is used with an automatic. 76 1/2 and later manual trans engines don't have the micro switch.

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PostPosted: Thu Dec 02, 2021 3:33 pm    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

Okay, I’ll check it!
Thank you!
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PostPosted: Thu Dec 02, 2021 3:54 pm    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

Image may have been reduced in size. Click image to view fullscreen.

Image may have been reduced in size. Click image to view fullscreen.


The rod with the red marks looks as though it would line up with the EGR underneath.
It ends, well, I don’t know what that is. Looks as though it would maybe need a block or something if I remove it.
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PostPosted: Thu Dec 02, 2021 4:33 pm    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

that circle is the EGR. It goes to the metal shroud where it bolts. One the other side of the shroud there is the EGR filter that cools the inert exhaust gasses. Then the bottom of the filter bolts to the J-tube where your leak is.
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PostPosted: Thu Dec 02, 2021 4:38 pm    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

Image may have been reduced in size. Click image to view fullscreen.


Image may have been reduced in size. Click image to view fullscreen.


Image may have been reduced in size. Click image to view fullscreen.


Image may have been reduced in size. Click image to view fullscreen.


Image may have been reduced in size. Click image to view fullscreen.

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Norma
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PostPosted: Thu Dec 02, 2021 5:36 pm    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

Thank SGKent.
I am trying to locate the electric to the EGR.
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busdaddy
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PostPosted: Thu Dec 02, 2021 6:00 pm    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

I sort of looks like your transplant engine may have a mechanical EGR, not the electric flying saucer. Follow that tube SGK circled and look for a small rectangle with a lever and rod that connects to the throttle arm. Like the thing in the top left of this pic (rod to throttle missing in pic):

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PostPosted: Fri Dec 03, 2021 11:34 am    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

Image may have been reduced in size. Click image to view fullscreen.


This is what mine looks like.
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PostPosted: Fri Dec 03, 2021 11:35 am    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

But mine is disconnected.
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PostPosted: Fri Dec 03, 2021 11:38 am    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

It’s always been disconnected.
I only tried to connect it when it wasn’t starting months back.
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PostPosted: Fri Dec 03, 2021 11:40 am    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

I see nothing circled by SGK.
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busdaddy
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PostPosted: Fri Dec 03, 2021 11:53 am    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

That's the EGR valve, disconnect the lever from the throttle end and leave it attached to the arm on the valve, secure it out of the way so it doesn't get caught in the throttle linkage.
_________________
Rust NEVER sleeps and stock never goes out of style.

Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
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Norma
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PostPosted: Fri Dec 03, 2021 4:10 pm    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

Okay, it has never been clipped on except when it wouldn’t start and thought the disconnect was the problem, thus this old pic.
Coolio!

So leave the EGR pipe below alone?


And block the elbow, will that make the putt putt stop?
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busdaddy
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PostPosted: Fri Dec 03, 2021 4:59 pm    Post subject: Re: Exhaust elbow, is it repairable? Reply with quote

Yes, although as WT's suggested maybe plug the end of the dangling pipe too, just in case that EGR valve is leaking a little why risk sucking up some road dust?. The dangling end won't need any high heat or pressure proof sealing, a blob of silicone RTV, or some other goo will do.
_________________
Rust NEVER sleeps and stock never goes out of style.

Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
Stop dead photo links! Post your photos to The Samba Gallery!

Слава Україні!
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