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Torque converter is leaking? Big deal?
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Tridox76
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Jul 15, 2016, 5:12 AM
Post #1 of 14
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Torque converter is leaking? Big deal?
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I own a 2000 Cadillac Deville DTS that recently had the transmission light flick on. This car has around 230,000 miles on it. I took it into the mechanic and they told me it wasn't a big problem, as it was just the torque converter leaking. I'm worried he is hoping I'll let it go until it "is" a big problem. Can anyone offer me some more info on a leaking torque converter? Is it a huge deal or can I let it go? I know a bit about cars, but not enough to deal with transmission issues. And how did he know that was the problem?
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kev2
Veteran
Jul 15, 2016, 6:06 AM
Post #2 of 14
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Re: Torque converter is leaking? Big deal?
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there are two scenarios very different let us know
1) the trans is leaking fluid -
2) there is a engine code related to transmission or TCC operation
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Discretesignals
Ultimate Carjunky
/ Moderator
Jul 15, 2016, 8:31 AM
Post #3 of 14
(1950 views)
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Re: Torque converter is leaking? Big deal?
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What is the trouble code number?
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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gsferraro
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Jul 15, 2016, 9:17 AM
Post #4 of 14
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Re: Torque converter is leaking? Big deal?
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Hello,
To determine where this is leaking from, the trans should be cleaned down and reinspected, it was a common issue to leak from the front due to a hair line crack because of high pressure issues, but that problem was resloved around 1996, i dont see much of these car leaking from the front. This is a low point of the trans thats why i would clean it down. Its common for the left side axle to leak, also the harness connector right next to the bell housing is common to leak. A torque converter is a sealed unit, it can leak at the weld, but i dont see this much. I would have it cleaned down and checked correctly. Hows the fluid level? Gary
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Tridox76
User
Jul 15, 2016, 12:06 PM
Post #5 of 14
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Re: Torque converter is leaking? Big deal?
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Hey thanks for the replies. I'm not sure what the code # is, the mechanic just said the torque converter was leaking. So I'll clean the bottom up tonight and try to find where the leak is coming from, but is it a transmission killer to have a leak? Bottom line, its an old car, and I won't be spending $1000 to fix a $1000 car. So should I be looking for another car or will checking anf filling tranny fluid be sufficient? (If leak cant br stopped?) And I know its hard to say until you know where the leak is, so I'll get back to you on that. Thanks.
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kev2
Veteran
Jul 15, 2016, 12:21 PM
Post #6 of 14
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Re: Torque converter is leaking? Big deal?
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you are not understanding the questions...
is it leaking fluid- a puddle under vehicle OR
is there a CODE that was described as converter "leaking" internally...
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gsferraro
Veteran
Jul 15, 2016, 12:45 PM
Post #7 of 14
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Re: Torque converter is leaking? Big deal?
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Hello,
By chance is the code P0741? Gary
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Tridox76
User
Jul 16, 2016, 3:56 AM
Post #8 of 14
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Re: Torque converter is leaking? Big deal?
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Sorry for the late reply. The leak is internal. The mechanic described it as a faulty transmission light because there wasn't anything more than an internal leak. And after cleaning everything up and waiting, I don't see any external leaks. I don't know the code # though. Could I get it checked at autozone for them to tell me the exact code?
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gsferraro
Veteran
Jul 16, 2016, 5:19 AM
Post #9 of 14
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Re: Torque converter is leaking? Big deal?
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Hello,
If you can get the code, that would be good. Depending on how you drive this car it could be a big deal. Gary
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Discretesignals
Ultimate Carjunky
/ Moderator
Jul 16, 2016, 5:58 AM
Post #10 of 14
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Re: Torque converter is leaking? Big deal?
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https://www.youtube.com/watch?v=UozYykQtg_o
DTC display; 1998-2004 Seville, 2000-2005 Deville and other models with 3 buttons on the RH side of DIC
Use the 3 switches located to the right (LH dribe cars) of the Driver Information Center (DIC) to activate and respond to the OBD prompts on the DIC.
ON/OFF = YES
INFO RESET = NO
INFO DOWN or INFO UP = manual toggle
Ignition ON, acknowledge any warning messages; press ON/OFF and INFO UP together for 2 to 3 seconds. Everything in front of you lights up for 4 or 5 seconds, then you will see:
Display shows "ALL?"
Answering YES will display "ALL CODES?"
Answering YES will run automatic test sequence and display codes, if any. Systems and codes will scroll faster than I am able to read them and write them; not to worry.
"ALL CLEAR CODES?" will display at the end of the automatic test. If you are satisfied you have the information you need, answer YES to clear/erase all error codes.
Answering "ALL?" with INFO DOWN will toggle systems test manually in order.
Answering "ALL?" with INFO UP will toggle system test manually in reverse order.
Press INFO RESET to reset DIC to "ALL?" to start again.
Ignition OFF to exit.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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Tridox76
User
Jul 27, 2016, 5:41 PM
Post #11 of 14
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Re: Torque converter is leaking? Big deal?
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Finally! Sorry it took so long, but I was able to pull the code and it is in fact P0741. So is it something that will kill the tranny within a month or will it be ok for awhile?
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gsferraro
Veteran
Jul 28, 2016, 2:31 AM
Post #12 of 14
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Re: Torque converter is leaking? Big deal?
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Hello,
The P0741 code is very common on this trans, what happens is a seal tears inside the transmission causing this code. If you drive local, you may be ok for awhile, this function called Lock-up occurs at highway speeds 40mph and up, to cut down on heat(2 worst things for a transmission are heat and water) The torque converter locks to engine rotation and there is no slip(no slip no extra heat)when it cant lock-up and the converter keeps slipping or the PCM inhibits lock up because of too much slip, it will generate alot of heat which can cause damage to your trans. Do you do highway drivng with this car? Gary
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Tridox76
User
Jul 28, 2016, 8:17 PM
Post #13 of 14
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Re: Torque converter is leaking? Big deal?
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My commute every day is 30 minutes one way of 65 mph speeds. Looking at other people it seems it will be relatively ok. I hope so anyway. The cost to repair the problem is around $300 more than the car is worth.
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gsferraro
Veteran
Jul 29, 2016, 5:34 PM
Post #14 of 14
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Re: Torque converter is leaking? Big deal?
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Hello,
These transmissions are costly to fix. you also may see a decrease in your gas mileage. Gary
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