Radiator Failure...Tranny Fluid Mix

[MDimitri]

Talk about bad flippin luck! I oredered a new tranny cooler last week so that I could separate my tranny fluid from my Rad, the tranny cooler was slated to arrive on Wednesday April 11th and I have the truck scheduled to go in and get that installed along with some other minor items. Last night I took my two boys out to see the movie called The Robinsons, as we left the theatre I noticed a slight lag in the tranny shifting, right after that I saw a message come up on the display stating that my engine coolant is low...well I don't need to be a rocket scientist to figure out what just happened. I got home okay due to the fact the theatre was only 4 miles away from the house. My question is what can I do now? Warranty is no longer available...Tranny is okay, it did not seize nor did I loose any shifting ability. I will more than likely need to replace all the hose's with new ones and have both the tranny and Rad flushed completely, I will also replace the Coolant resevoir due to it honeycomb construction of the inside bottom. I of course will have the tranny cooler installed and seal off the tranny coolant lines from the Rad. Do you guy's think this will be sufficient? or will I have to replace the transmission? I have read quite a bit about this occuring when an improper mixture of Dexcool and water is used, it should always be a mix of 50% - 50% Dexcool and Distilled Water, not regular water from a tap, what I am wondering about is when the dealership maintained the coolant levels did they use the distilled water or did they use regular water? Any words of wisdom?

[boarral]

[quote name='MDimitri]Talk about bad flippin luck! I oredered a new tranny cooler last week so that I could separate my tranny fluid from my Rad' date=' the tranny cooler was slated to arrive on Wednesday April 11th and I have the truck scheduled to go in and get that installed along with some other minor items. Last night I took my two boys out to see the movie called The Robinsons, as we left the theatre I noticed a slight lag in the tranny shifting, right after that I saw a message come up on the display stating that my engine coolant is low...well I don't need to be a rocket scientist to figure out what just happened. I got home okay due to the fact the theatre was only 4 miles away from the house. My question is what can I do now? Warranty is no longer available...Tranny is okay, it did not seize nor did I loose any shifting ability. I will more than likely need to replace all the hose's with new ones and have both the tranny and Rad flushed completely, I will also replace the Coolant resevoir due to it honeycomb construction of the inside bottom. I of course will have the tranny cooler installed and seal off the tranny coolant lines from the Rad. Do you guy's think this will be sufficient? or will I have to replace the transmission? I have read quite a bit about this occuring when an improper mixture of Dexcool and water is used, it should always be a mix of 50% - 50% Dexcool and Distilled Water, not regular water from a tap, what I am wondering about is when the dealership maintained the coolant levels did they use the distilled water or did they use regular water? Any words of wisdom?[/QUOTE']<DIV></DIV>I would suspect that your transmission is okay.  I lost almost all of my transmission fluid in my Avalanche before I realized what was happening, and after repairing the intercooler line and topping everything off, it performed great.  What tipped me off was the transmission sounding like it was filled with sand when shifting and the shifts were very sluggish.  I would think that if mine was in that condition and ended up alright that yours should be okay.  In my case, I had my vehicle lifted and the company that did it wasn't paying attention and the intercooler line was against the AC pulley.  Bleh!