Air flow escaping at EGR Cooler connection to ex. Manifold

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Air flow escaping at EGR Cooler connection to ex. Manifold

08-19-2025, (Subject: Air flow escaping at EGR Cooler connection to ex. Manifold )

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wrench buster Offline

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Air flow escaping at EGR Cooler connection to ex. Manifold

Hey there , I have a 2012 Freightliner M2 Cummins 8.3, and it has air escaping at the flange connecting at cooler to manifold connection. I installed a new gasket and it’s the same thing. I noticed there was LOTS of pressure when a disconnected the crossover tube from cooler to EGR cooler and the air leak stopped. It seems like the EGR valve was not flowing the EGR air to the intake. Can anyone shed some light on this situation.
I have a code for high DPF dif pressure.
Thanks

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Messages In This Thread

Air flow escaping at EGR Cooler connection to ex. Manifold - wrench buster - 08-19-2025

RE: Air flow escaping at EGR Cooler connection to ex. Manifold - tree98 - 08-19-2025,

RE: Air flow escaping at EGR Cooler connection to ex. Manifold - wrench buster - 08-19-2025,

RE: Air flow escaping at EGR Cooler connection to ex. Manifold - Rawze - 08-19-2025,

RE: Air flow escaping at EGR Cooler connection to ex. Manifold - wrench buster - 08-20-2025,

RE: Air flow escaping at EGR Cooler connection to ex. Manifold - tree98 - 08-19-2025,

RE: Air flow escaping at EGR Cooler connection to ex. Manifold - wrench buster - 08-20-2025,

RE: Air flow escaping at EGR Cooler connection to ex. Manifold - Rawze - 08-20-2025,

RE: Air flow escaping at EGR Cooler connection to ex. Manifold - wrench buster - 08-21-2025,

RE: Air flow escaping at EGR Cooler connection to ex. Manifold - wrench buster - Yesterday,

RE: Air flow escaping at EGR Cooler connection to ex. Manifold - Rawze - Yesterday,

RE: Air flow escaping at EGR Cooler connection to ex. Manifold - wrench buster - Yesterday,

RE: Air flow escaping at EGR Cooler connection to ex. Manifold - wrench buster - Yesterday,

RE: Air flow escaping at EGR Cooler connection to ex. Manifold - Rawze - 08-20-2025,

RE: Air flow escaping at EGR Cooler connection to ex. Manifold - wrench buster - 08-21-2025,

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