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7000 Oil Cooler Lines
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TedN View Drop Down
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Joined: 30 Apr 2025
Location: Central WA
Points: 57 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TedN Quote  Post ReplyReply Direct Link To This Post Topic: 7000 Oil Cooler Lines
    Posted: Yesterday at 12:18am
My 7000 has started seeping oil at the oil cooler lines. I plan to replace the 70918980 unions, just curious if there is anything else that might surprise me when I take it apart, or if there are common failures on associated parts? Looks like it should be straightforward, but haven't done this particular application before. Thank you in advance.

Ted
190XTD seriesIII, 190XTD seriesI, maroon belly 7000, 190XTD series??? project(or maybe parts)
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Lynn Marshall View Drop Down
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Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2362 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lynn Marshall Quote  Post ReplyReply Direct Link To This Post Posted: 17 hours 18 minutes ago at 7:29am
The unions are just a rubber crush donut. You might try just tightening them a little more.
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HudCo View Drop Down
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Joined: 29 Jan 2013
Location: Plymouth Utah
Points: 3863 		Post Options Post Options   Thanks (0) Thanks(0)   Quote HudCo Quote  Post ReplyReply Direct Link To This Post Posted: 16 hours 27 minutes ago at 8:20am
hardest part is digging the old ones out of the fittings , some times you can hook them with a pick and screw the nut off of them 
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Lynn Marshall View Drop Down
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Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2362 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lynn Marshall Quote  Post ReplyReply Direct Link To This Post Posted: 12 hours 49 minutes ago at 11:58am
If I'm replacing them, I use a small hand held torch to burn them out.
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