Guest PaulG. Posted July 27, 2010 Report Share Posted July 27, 2010 Hi Folks, Last winter my transmission started to leak during the cold weather. Sometimes it was just a few drops and other times it left a spot the size of a silver dollar after sitting over night. The bottom of the engine and transmission were wet with fluid. Fast forward six months,I was driving out of Atlanta on vacation. things were going well until I had driven about 250 miles on the freeway. I stopped for gas and saw some smoke coming from the engine area and saw that the transmission was leaking drops at a steady pace. The catylitic converter was wet as well as most of the underside. There was ever a mist of fluid on the back window. I parked the car at a garage for a week and went on my vacation. When I picked up the car to drive home, I was armed with 10 qts. of fluid and stopped about every 45 min. to check the levels. It did not leak very much at all and still shifts as smooth as glass. Could this be a pressure build up when the transmission is at highway speeds that has blown a seal? Is there any other things to check out? Any ideas would be greatly appreciated. (This car has 176,000 miles on it.) Paul Link to comment Share on other sites More sharing options...
Oreo931 Posted July 27, 2010 Report Share Posted July 27, 2010 Are you sure this is the transmission leaking and not the rear main seal on the engine? In either case, sounds like you need to have it replaced ASAP. If it's trans fluid that's leaking, it's probably the input shaft seal on the transmission. The transmission will have to come off, so you might as well replace the rear main seal anyways. Link to comment Share on other sites More sharing options...
Guest TC Posted July 27, 2010 Report Share Posted July 27, 2010 Paul, It sounds like your transmission may be leaking after 250 miles on the highway. Link to comment Share on other sites More sharing options...
Keaton85 Posted July 28, 2010 Report Share Posted July 28, 2010 Pressure really doesnt build as highway speeds since the torque convert lock-up activates and then you are in direct connection from engine to wheels. Are you sure it's ATF and not motor oil? as a fast leak on the input shaft seal is pretty uncommon. Link to comment Share on other sites More sharing options...
Guest PaulG. Posted July 29, 2010 Report Share Posted July 29, 2010 Pressure really doesnt build as highway speeds since the torque convert lock-up activates and then you are in direct connection from engine to wheels. Are you sure it's ATF and not motor oil? as a fast leak on the input shaft seal is pretty uncommon. Link to comment Share on other sites More sharing options...
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