Trans line warning and question - Chevy and GMC Duramax Diesel Forum
06-07 LBZ & LLY Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

 
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post #1 of 3 (permalink) Old 12-21-2019, 12:35 PM Thread Starter
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Trans line warning and question

Couple of weeks ago my 06 with 220k miles started leaking trans fluid. Problem was that the hose of one of the cooler lines was up against the aft edge of the radiator fan shroud and the hose eventually got a hole worn in it. So if any of you guys/gals are ever putting eyes on that part of the underside of the truck, check that area to make sure none of the trans cooler hoses are pressed against the aft edge of the fan shroud.

Being it was winter time here in Colorado, I had a hydraulic shop fab a replacement hose section with compression fittings as a replacement for the cut hose. Before I installed the hose, I dremeled back the aft edge of the fan shroud to keep it well away from the hoses. I'm thinking that I can call this a permanent fix. The hose crimps on the other two lines are dry. Or should I replace all three lines in the spring with OEM parts? I bought the truck with 155k miles so I have no idea if the trans lines had been replaced in the past.

Thanks,
Lowell

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06 Sierra LBZ CC LB SRW
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post #2 of 3 (permalink) Old 12-21-2019, 12:38 PM
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post #3 of 3 (permalink) Old 12-21-2019, 05:49 PM Thread Starter
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Thanks HeH! No leaks, so will leave things alone.

Lowell
06 Sierra LBZ CC LB SRW
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