Transmission Fluid Leak From Cooler Line on Oldsmobile Aurora

An automatic transmission fluid leak may develop from the rubber section of a transmission cooler line. In some cases the rubber section of hose can be replaced. In others, the complete cooler line must be replaced to correct this type of leak.

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Average mileage: 141,541 (95,000–197,000)
8 model years affected: 1995, 1996, 1997, 1998, more1999, 2001, 2002, 2003
19 people reported this problem
5 people shared problem details
Was driving home from work notice steam or smoke coming out of my engine right next to the windshield wipers just a little bit pulled over open a thing open the hood and some smoke started rising I looked under the car and it was dripping out what appeared to be transmission fluid but at a very high rate luckily I was very close to home I was able to push it the rest of the way what is this
I was driving down the freeway about 70mph and the transmission quite. Pulled over shut it off checked for any problems. Checked trans oil , oil good couldn't see any problems. Started it up put in gear started moving but wouldn't go into overdrive. Put scanner on it P0603 and 5711 came up. Read all info- I could find on it I could find with this type of problem. Just to not being any closer to finding the cause. So I the car on blocks ran the car for about one hour. Shut it off let it sit overnight. This morning I started working on it. I checked tranny oil and it's empty no oil spill under the car. I'm stumped anyone have input or had this same problem. And how did u fix.
V6 3.5: My transmission was driving all wrong thumping into second or third gear so I checked it out. Turns out I was leaking trans fluid on the ground in my drive way. Found this shaft where it was leaking fluid. Plastic tube cover was lifted out of the metal socket. Researched how to fix. Found out it was too much money to pay for repair and hard to get too. My father told me he would help me. He brought some very thick and strong plastic heat resistant sheets home. I cut a piece to size and wrapped it all the way around the leaking shaft. I fastened bands that have screws on it that you can tighten to secure. The leak was fixed. Now trans fluid can't get out and debri can't get in. I draned my trams pan my trans had dirt, (small/microscopic)metal shavings, and one zip tie in it. The fluid looked dilooted with water and was the color of mud or tar. I was warned not to replace fluid because trans would blow up. Several certified and home grown mechanics told me this. I didn't flush the trans or replace the filter. I put valvoline max life dexa v or something like that.(referr to owners manual for trans fluid requirements) BAM!!!!!!!!!!!!!!!!!!!!!!!! Car started to show immediate improvement!! Drove it a couple days got better every day. The engine is so smooth and quiet you can't even hear the car it soooooo quiet I went with my gut and it worked out fine hope this helps !!!!! Not to mention I saved a transmission from certain death and tons of tons of money!!!!! Yay!!
started leaking tranny fluid...added some and started shifting normally again. Checked it after driving about 15 mi and it was already low. Had to take a chance and drove it to work, it got me there no problems but used a quart to go about 36 miles. No money to fix it.
this morning my wife left for work and I saw a red puddle on the front driver side where the car had been parked, and a trail of fluid as it left the garage...She called to ask me after she had gotten into work 16 miles) if I just changed the oil-she smelled a burning oil smell...I do take care of this car, but it has been a leaker, mostly engine oil drips, but it has been very cold here lately (around 10-15 degrees) so I guess either a hose or line (or gasket) has failed. Im going to her work place this morning, will see if it is something I can correct there, other wise I expect I will need to have it towed. I did ask her if it shifted alright, and she said until she got to the parking garage, it was ok but it kind of 'jerked' a little when she backed into her spot...Hope the trans isn't fried.
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