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Lincoln LS Transmission Problems

179 messages,  Last post on Nov 25, 2009 at 11:46 AM

You are in the Lincoln LS Forum. Your Hosts are pat & karens

What is this discussion about? Lincoln LS, Transmission, Sedan


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#109 of 179
Tranny Problem? by koehn
Apr 20, 2009 (8:53 am)
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HI I was wondering if anyone could tell me if a fluid flush would help me! I have an 04 V6 with over 84,000 miles. It is shifting very hard into the second and third gears and when I stop and the shops all tell me that it is gonna be a $2,000-$2,400 repair but they are all calling my problem slippage but it is not slipping it is just shifting hard! So would a flush or a fluid change help me at all or would it just be a waste of $$$?
#110 of 179
Re: Tranny Problem? [koehn] by Mr_Shiftright HOST
Apr 20, 2009 (9:11 am)
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Replying to: koehn (Apr 20, 2009 8:53 am)

I think a flush would be a waste but a fluid change +filter or screen clean, and a conditioner additive might help---certainly worth a try. Were any codes read for the TCM to give an indication of trouble areas? Do you have the #s of these codes. If no codes were read, which crystal ball are they using?
#111 of 179
Re: Tranny Problem? [Mr_Shiftright] by akirby
Apr 20, 2009 (9:36 am)
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Replying to: Mr_Shiftright (Apr 20, 2009 9:11 am)

Ford uses a machine to change the fluid now - it uses the transmission cooler lines to pull out old fluid and insert new fluid - changes almost 100% of the fluid. Dropping the pan doesn't get anywhere near that much old fluid out, even if you drain the torque converter. And according to an old transmission engineer buddy, if you have enough crap in there to clog up the filter it's already Tango Uniform, so don't worry about it.
#112 of 179
Re: Tranny Problem? [koehn] by leadfoot4
Apr 20, 2009 (2:24 pm)
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Replying to: koehn (Apr 20, 2009 8:53 am)

"koehn", there were issues with some of the earlier years' transmissions having issues with the solenoids in the valve body. My wife's 2000 LS had these issues about 3-4 years ago, however the car was still under the extended warranty I purchased through the dealer, so it was a covered repair.
 
I'm not positive if this issue was adressed in later model LSes. However, I'm not sure if I'd want just any shop rummaging around my transmission, given the complexity of the 55RN transmission. This might be one instance where I would lean toward having the dealer look at it....
#113 of 179
Re: Tranny Problem? [akirby] by Mr_Shiftright HOST
Apr 20, 2009 (2:41 pm)
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Replying to: akirby (Apr 20, 2009 9:36 am)

Thanks for that update. I was still wondering how they came to the "slip" diagnosis.
#114 of 179
Re: Tranny Problem? [Mr_Shiftright] by akirby
Apr 20, 2009 (8:22 pm)
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Replying to: Mr_Shiftright (Apr 20, 2009 2:41 pm)

Let's just say it was probably still steaming when it came out.....
#115 of 179
Re: Tranny Problem? [koehn] by rhtrans
Apr 21, 2009 (6:45 pm)
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Replying to: koehn (Apr 20, 2009 8:53 am)

Fluid change will certainly not help a harsh shift & you are right its not a slip. It's obvious the computer is having problems controlling line pressure...it can have harsh shifts with no codes present but certainly need 2 know if there are any present. I've seen a few times a simple plastic checkball in the valvebody beat itself to almost nothin and can't seat properly causing erratic line pressure in a 5R55N.To properly diagnose the problem a gauge and scanner would be needed. Then again they are also very bad about tearing up the O/D section dispersing metal thru thu unit and causing the same problem..just hasn't gotten bad enough to cause heavier symptoms...get a few more opinions from other shops.
#116 of 179
2001 v8 by ls01_333
May 03, 2009 (5:25 pm)
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my 2001 lincoln ls has a mystery problem. i have read a few similar stories on here but havent seen an actual solution to the problem. engine light came on, and sometimes it will heat up a little bit more than it should. i had a mechanic friend with diagnostic computer look at it, came up with a bad solenoid pack. he switched it out with a new one, which came up bad when he tested itout. put in another solenoid pack and i got my car back. the engine light soon came back on and the overheating issue went on. he was nice enough to take the car back and look into why the solenoid packs kept failing. he eventually found out that there was a broken cable in the transmission and rewired it. i got my car back, and a few days later the engine light came back on and it will still run a lil on the warm side. The car runs perfectly fine, if not for the engine light i would think it was in perfect condition. anyone that has had the same problem, please let me know what action you took and what did or did not help. very much appreciated
#117 of 179
Re: 2001 v8 [ls01_333] by akirby
May 04, 2009 (5:36 am)
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Replying to: ls01_333 (May 03, 2009 5:25 pm)

You need a new mechanic.
#118 of 179
Re: 2001 v8 [akirby] by ls01_333
May 04, 2009 (8:20 am)
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Replying to: akirby (May 04, 2009 5:36 am)

Thank you for your input, it is not exactly what i am looking for. The mechanic is not the problem- he is a very clever and honest guy (friend of the fam) and he has top of the line diagnostic equipment. yes- this issue has him stumped..it also has stumped other mechanics and even dealers according to some stories ive read online.
The problem is that my car is telling his computer that it has a bad solenoid pack. the code points to that. I am looking to see if any other lincoln owners have had similar problems with solenoid pack codes coming up, even after being switched out with a new one. I would like to hear their stories, and if im lucky, a solution.
Thank you.

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