ron2368 Posted August 31, 2003 Share Posted August 31, 2003 I have a 99 Forester, after a 30 minute highway drive with the a/c on I see lots of smoke from the engine compartment . To shorten the story I am very sure it came from 2 little vent hoses on top of the auto transmission . The catalytic converter is just below so it was burning the atf = lots of smoke. I did not notice any shifting problems during the drive. I had the fluid and filter replaced 9 months ago and have not added any atf during that time so it can't be overfilled. Any ideas, other than this time I have never noticed it before. Thank you for any assistance. Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted August 31, 2003 Share Posted August 31, 2003 I don't know if I can help, but others may be able to if you give us some more info. You say it couldn't have been overfilled 9 months ago. Did you look? Also, what is the level now(after the 'burp')? Did you get a CEL or an AT Temp light. Did you check any other fluids to be sure that's where the smoke came from? Carl 1 Lucky Texan Link to comment Share on other sites More sharing options...
ron2368 Posted September 1, 2003 Author Share Posted September 1, 2003 Since the change I have checked the atf and it always was at the proper line. When I looked at the area after the smoking incident I could see a trail of oil residue from below the vents down to the trans area above the converter so I am sure that was the cause. There were 2 drips of trans fluid in the garage below that area also. When I drove home that night( return trip) there was no smoking, also the area under the car is always clean, never any drips, so I am assuming that this never happened before. Link to comment Share on other sites More sharing options...
1 Lucky Texan Posted September 1, 2003 Share Posted September 1, 2003 Could you or a family member have driven through deep water recently? Here's a WAG - If the tranny gets cooled off by being submerged in deep water, contraction can suck water inside that could vaporize at operating temp causing a 'geyser' like effect - um I GUESS. Carl 1 Lucky Texan Link to comment Share on other sites More sharing options...
ron2368 Posted September 1, 2003 Author Share Posted September 1, 2003 Sorry, no floods not even any heavy rain. The atf was low about a pint. I dont know much more about this problem. Maybe I can get longer hoses and run them into some receptacle so I can see if or how much fluid I am losing.:cornfuzz: Link to comment Share on other sites More sharing options...
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