Full delete finished but not a coolant leak

[RezStyle Cummins]

I Now Have a coolant leak

I finished everything yesterday. Started it up, sound great but I have a coolant leak, and I'm not sure where.

I didn't take off the O-ring off of the one factory nipple could this be the issue?

2016 Ram 3500 6.7 Cummins

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[Jcvititow]

I know on my truck the fitting in the bottom picture I had to shift the mounting bracket over until it pushed it all the way in or it would leak a little on mine.

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[OneTon]

I know on my truck the fitting in the bottom picture I had to shift the mounting bracket over until it pushed it all the way in or it would leak a little on mine.

Mine is leaking a little from that fitting as well. I would check there first.

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[jand1963]

I took off the o-ring and haven’t had any leaks. My son did his truck and the plate that holds the coolant fitting, well he didn’t put the mounting bolt in the front and caused the fitting to leak on him

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[Rob See]

I had the same issue. We removed the o ring from My HPP kit which was of a softer compound. Took the green one off of the egr cooler. Lubed it up and it solved my problem.

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