Transmission Fluid Leaking Problems of Chevrolet 2500

My 2006 durmax diesel 2500 truck has 3 transmission cooler lines that run from the transmission to the radiator. These hoses have aluminum pieces on each end and they leak oil at the joint where the aluminum joins a piece of rubber hose in the centre. They continuously leak transmission oil on the ground at this crimp join. The colder the weather, the worse these hoses leak. There appears to be a significant problem with these as detailed by doing a web search. I pulled in my garage from a trip and a few minutes later my wife saw smoke coming from the garage. I jumped back in and backed it out before it actually caught fire but upon inspection, the leaking transmission fluid from the lines had gotten on the exhaust and started to smoke. This is a serious issue that gm continues to ignore. Someone will eventually lose significant life or property if this continues. The replacement lines started leaking in a mere couple of weeks.

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The contact owns a 2001 Chevrolet 2500 hd. The transmission leaked and vibrated while driving. The mechanic found that the rear extension housing of the transmission had a crack and leaked transmission fluid. Gm stated that the vehicle was not under warranty. The transmission an allison 1000 for a diesel engine. The current and failure mileage were 78000.

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2001 Chevrolet 2500hd truck: in may of 2002 the transmission started leaking at the front seal because of the converter bolts being loose. On 1/28/04 the rear case busted and leaked out all the fluid as well. Gm dealer says defective case. Allison transmission says that gm has a vibration in the drivetrain of these trucks that causes their transmission to break. Who do you believe? any suggestions?.