Trans cooler lines leaking

packin45 · May 13, 2015

Has anyone had to replace the transmission lines going to the cooler?

There are drips hanging on front and back of the engine crossmember. I'm blaming these lines right now. Having my mechanic verify the leak today or tomorrow.

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packin45 · May 16, 2015

Had more time to inspect today, seems that its coolant not ATF. The valley has coolant sitting in it

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Kallbmrt27c · Jun 20, 2015

any idea where the coolant was leaking from? im having the same issue now

Raptorgabe · Jun 20, 2015

what year of truck ? could be the coolant line on turbo

Kallbmrt27c · Jun 20, 2015

packin45 · Jun 20, 2015

Replaced line to the turbo first. Then with some help from a mini inspection camera found that the coolant was coming from the thermostat housing. The seal built on to the thermostat was jacked up. All fixed now.

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