3.0; duramax transmission cooler inlet outlet lime 2024 silverqdo 500

TW78

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12:44p, 8/10/25

AG

Anyone have any experience with changing this line out? Weisner GMC in Conroe says it takes 11 hours.

TW78

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12:48p, 8/10/25

AG

Man that didn't come out like I wanted. 1500 Silverado 3.0 Duramax.

JuneBug07

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8:41p, 8/10/25

AG

I'm not 100% sure what you are asking, but the transmission cooler and inlet/outlet hoses are very easy to access, and I seriously doubt it would take 11 hours for repairs on those items. Can you be more specific as to the reason you are having problems?

TW78

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In reply to JuneBug07 • 1:32p, 8/11/25

AG

hose has a crack in it. wiesner showed me in the book where 10.6 hours is allotted for the job.

TW78

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In reply to JuneBug07 • 1:33p, 8/11/25

AG

metal hose

JuneBug07

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6:29p, 8/11/25

AG

I think 10-11 hours is crazy. I would imagine this would be considered warranty since your truck is only a year old.

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