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Guest Message by DevFuse

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2008 AWD Lincoln MKX transmission problem

transmission awd

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2 replies to this topic

#1 OFFLINE   beemboss


    New Edge Member

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  • Location:Long Island
  • Edge's Year:2008

Posted 07 June 2018 - 11:02 AM



I have 2008 Lincoln MKX with 136k miles. There is a slipping and jerking in transmission when it changes from 1,2,3 and 4. When I stay at constant speed 30M/h it can be clear and it lets the car to shake a little bit and that always happens. After reaching 60M/h the slipping stopped.


In parallel there is a whining or whooshing sound increasing with acceleration over 30M/h and increased with speed (It sounds like airplane engine)


I have recently changed the PTU at Ford dealer because of leak issue which costs $1800 but that did not solve the problem.

I asked them to check  maybe there is a misfire but they did a computer test and no misfire problem appears.


The only thing I am thinking about now is to change the TSS and OSS sensors. It will cost me $600 but there is no guarantee that this will fix the problem. Other option is to change the whole transmission unit which will cost $2500 and  I do not have budget for that.


Please tell me what it could be the problem?



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    Ford Edge Legal Resident

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  • Region:U.S. Northeast
  • Location:Maryland
  • Edge's Year:Decline

Posted 07 June 2018 - 11:34 AM

Trans fluid level and condition should be the first things to check when suspecting transmission issues:  is the fluid pinkish red, is it clear of debris, and is it between the hashmarks on the dipstick when trans is warmed up etc.


Second, check the condition of the dogbone/torque mount visible from under the vehicle.  The bushing is likely torn at this mileage, and it will not buffer the trans movement properly.  macbwt has videos on howto check MACTFORDEDGE on YouTube.


Thirdly, when did you service the plugs/pcv valve/air filter/throttle body/MAF sensor last?

  • enigma-2 likes this

#3 OFFLINE   enigma-2


    Ford Edge Fanatic

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  • Region:U.S. Great Lakes
  • Location:Indiana
  • Edge's Year:2009

Posted 07 June 2018 - 11:57 AM

I remember reading in a different forum that there was a TSB for the 07-08 F150's for this problem. Same conditions. Fix was to reprogram the transmission. Don't remember if it affected the Edge's transmission or not.

Follow up: looked it up, it's TSB 8-14-3. They reflashed the Power Control Module.

Don't think theyre the same transmission though, but wouldn't hurt to talk directly to you dealers transmission specialist about doing this. A lot of problems develop because some damn computer needs a fresh reboot (relearn).

Edited by enigma-2, 07 June 2018 - 12:01 PM.

  • WWWPerfA_ZN0W likes this

Also tagged with one or more of these keywords: transmission, awd

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