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redcougarcar
User
Mar 11, 2009, 12:45 PM
Post #1 of 4
(7029 views)
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01 Mercury Cougar
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Hi,
I have a 2001 Mercury Cougar 6 cylinder automatic. I started the engine, drove the car around, noticed transmission fluid on the ground, checked the fluid, was all the way up the dipstick, took it for a ride through all the gears, let it run for half hour - 45 mins and the fluid still at the top of the dipstick tube. Goes into gear and shifts fine... I was told that the torque converter or the seal was out on it and that was causing excessive transmission fluid. Not sure if this is problem or not??? Confused?? Any advice or thoughts?
Thanks!
Brian
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 11, 2009, 1:36 PM
Post #2 of 4
(7026 views)
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Re: 01 Mercury Cougar
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I'd bet more on somehow it got overfilled! It would purge out as it warms and expands and I'm shocked it behaves. Can't be good for it so I'd get the suction pump to remove it to proper level. Just my thoughts on this,
T
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redcougarcar
User
Mar 12, 2009, 9:21 AM
Post #3 of 4
(7017 views)
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Re: 01 Mercury Cougar
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T ~
When the car was running before fluid levels were right on the mark, had a starting problem, wouldn't start for 8 months, got it started, then it started leaking transmission fluid. I haven't added any transmission fluid to it, so I'm not sure how it would have gotten over filled. I can see there is transmission fluid on top of the housing. Could it be the torque converter? or a seal? any other ideas?
Thanks!
Brian
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Mar 12, 2009, 10:58 AM
Post #4 of 4
(7013 views)
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Re: 01 Mercury Cougar
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What I can't understand is if this was from the torque converter which does hold a lot of ATF then I wouldn't think it would move the car! I'm not a total tranny head but have the idea of how they work.
There's quite likely a vent (small mushroom cap maybe) on top of trans that could blow out excess. I've seen that happen from an known overfill before on a totally different car.
Again - I'm still plucking hairs out wondering how it can run/drive ok and really be that full??
I'd still put it back to the correct mark and see what happens. If it slips or doesn't stay engaged don't drive it like that if it will at all. It may decide to keep filling up - dunno.
Some maybees and I'm open to any ideas on this:
* Someone forgot and added fluid - it wouldn't necessarily take all that much over the full mark to go way up for a reading. The dipsticks as you know are marked for pints not quarts and if someone thought it was down 2 pints and put two quarts in it that would account for this.
* A key property of ATF is not to resist foaming. If this can foam up bad that could displace fluid and raise the level. Never saw that happen to this extreme.
* Another: Most automatics use the regular radiator to cool/moderate trans fluid temp. If the heat exchanger inside the radiator messed up it usually puts ATF into coolant but I suppose it's possible for coolant to go into the trans! Antifreeze would sink to the bottom leaving oil/ATF on top for a while but soon would mix to a pink foamy mess or perhaps a brownish - like a milkshake. If that's the case the coolant level would be down and it would show up as a milkshake pretty quickly with some use but not right away. If that happened - hurry and get it fixed and trans all flushed out sooner the better.
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The torque converter is a large donut - one side spins a fan direct to engine speed at another to be like two table fans - one blowing at the other - one blowing and plugged in the other just catching the breeze sort of thing but in fluid. The second fan drives the trans but can slip like when you come to a stop. If that somehow lost the fluid to play fan action in the car wouldn't move - IMO.
If not one of those I'm at a loss at to why this could be??
T
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