Need to replace ATF/coolant heat exchanger

Need to replace ATF/coolant heat exchanger

01-01-2001, 05:48 PM

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Join Date: May 2002 Posts: 52,710

Need to replace ATF/coolant heat exchanger

I found the source of my coolant leak. It was the atf heat exchanger below the exhaust manifold. The rear coolant fitting has a pinhole leak in it. I am going to replace it as soon as I can get a new one.
Does anyone know if this is a Cummins part? I could not find it in my Cummins manual, but the Dodge manual has it. I want to price shop, but I suspect that Dodge is the sole provider, since the cooler is for an automatic transmission.

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'95 2500 SLT ClubCab, automatic, 3.54 LSD

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