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Help, 8030 sounds like a JD!
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Jordan(OH) View Drop Down
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Joined: 11 Sep 2009
Location: Celina, OH
Points: 1547 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jordan(OH) Quote  Post ReplyReply Direct Link To This Post Topic: Help, 8030 sounds like a JD!
    Posted: 06 May 2010 at 9:03pm
We have an 8030 with a rebuilt engine, head and injectors.  After about 3hrs. of use I noticed there is a popping sound out of the exhaust, sounds just like a 2 cyl. JD is parked next to it.  Any ideas what this would be?  Injection pump was not touched.
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Amos View Drop Down
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Joined: 11 Sep 2009
Location: Ontario
Points: 1318 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Amos Quote  Post ReplyReply Direct Link To This Post Posted: 06 May 2010 at 9:19pm
Exhaust valve broke....stuck open maybe......exhaust gasket blown out on one cylinder....would almost have to stand beside it when it is running for me to tell.  I am no expert.   Maybe an injector has blown out.

Edited by Amos - 06 May 2010 at 9:20pm
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 20932 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 06 May 2010 at 9:32pm
Pull the valve cover....push rod jumped out of place....adjuster screw backed out..etc..may not be serious.
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Wes (VA) View Drop Down
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Joined: 12 Sep 2009
Location: Elkton, VA
Points: 510 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Wes (VA) Quote  Post ReplyReply Direct Link To This Post Posted: 06 May 2010 at 9:44pm
Not an exhaust leak is it?   feel any air coming out of the manifold in places that its not supposed to??
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Jordan(OH) View Drop Down
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Joined: 11 Sep 2009
Location: Celina, OH
Points: 1547 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jordan(OH) Quote  Post ReplyReply Direct Link To This Post Posted: 06 May 2010 at 10:25pm
Not exhaust leak, noise is coming out the stack.
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Eugene View Drop Down
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Joined: 11 Sep 2009
Location: Ayr, Australia
Points: 18 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Eugene Quote  Post ReplyReply Direct Link To This Post Posted: 07 May 2010 at 6:02pm
Could be a bad injector. I have had that before after getting nozzles done. Kept ruining the nozzle on the same injector. I ended up replacing the complete injector and have had no trouble since. My tractor was making a horrible popping noise , but would also blow a lot of smoke that would burn your eyes like onions.
Crack the injectors one by one and isolate the bad cylinder. Remove the injector and get it tested. Or move it to another posiiton and see if the problem goes to another cylinder. Eugene
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