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92 exhaust header downpipe EGR plug missing 200 1992

posted by  someone claiming to be ravenvet on  Fri Nov 25 20:03 CST 2022 [RELATED]

Recently had the rusted downpipe replaced with a nice stainless steel aftermarket piece but then, the exhaust started to get noisy again. Then, suddenly really loud like there was a Harley under the seat. Figured another section of exhaust pipe had failed. But, today as the car was jacked to switch to snowtires, i noticed the threaded plug to seal the EGR hole is gone. Anyone know what size of threaded plug i need to look for? Okay to apply some JBWeld to the threads?








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    92 exhaust header downpipe EGR plug missing 200 1992

    posted by  derek uk on  Sat Nov 26 05:30 CST 2022
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    last visit: Fri Oct 24 12:33 CST 2014
    [RELATED]

    What are you trying to block off?
    https://www.ipdusa.com/Articles/601/Does-My-Volvo-240-Have-EGR-And-What-Is-It








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      92 exhaust header downpipe EGR plug missing 200 1992

      posted by  someone claiming to be ravenvet on  Sat Nov 26 09:27 CST 2022 [RELATED]

      i don't have a EGR system. The replacement pipe came with a threaded plug to block the hole, but now it is missing. you can see the plug in the pictures of the downpipes on ipd's website. It was too late yesterday to call them and i was hoping to fix this over the weekend.








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        92 exhaust header downpipe EGR plug missing 200 1992

        uid 27's pic
        posted by  Art Benstein on  Fri Dec 2 06:00 CST 2022
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        last visit: Fri Oct 17 20:10 CST 2014
        [RELATED]

        Not familiar with EGR port, but if it is actually the test port, this is the plug.


        --
        Art Benstein near Baltimore

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        1992 exhaust header with missing plug ... 200 1992

        uid 46171's pic
        posted by  kittysgreyvolvo on  Fri Dec 2 02:23 CST 2022
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        last visit: Sat Oct 18 15:23 CST 2014
        [RELATED]

        The missing bolt and washer plug a port used to analyze exhaust gasses before the catalytic convertor.

        The plug you mention is near and before (upstream) of the header pipe out to the catalytic convertor in union?

        If equipped with EGR, the first EGR pipe connects at the back of the manifold just above the manifold out to header pipe input union.

        Not sure of the thread and thread pitch. You'll want some manner of high temp carbon steel or better, stainless, hex bolt. Apply nickel anti seize to the thread.

        What I believe you are describing is the bolt at the end of the header pipe, at the top and to the left a bit of the triangular spin flange in this iPd image:



        In this iPd article(copy and paste into new browser tab or window):

        https://www.ipdusa.com/Articles/601/Does-My-Volvo-240-Have-EGR-And-What-Is-It

        See the 240 diagram for EGR if your car is German, US New York or California states on 240.


        Questions?
        --
        Beh.







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