Question about 2000 Lincoln Continental

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Transmission Problem I have a 2000 Town Car (Signature Series) and when I reach between approximately 68-75 mph (in overdrive) their is a noticable roughness that can be felt in the ride. This does not happen in any other speed reanges. I had to replace the tires and even with the new tires exactly the same thing is happening. Car only has about 62K miles on it and runs very well otherwise. It appears to me that it might be a transmission problem? If so, any guess what it is and how much it might cost to repair? Thank you, David L

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Your particular vehicle has the 4R70W trans,and i have rebuilt a ton of them over the years.It could very well be a TCC shudder.Let me explain.Between the rear of the engine,and the front of the trans is a Torque Convertor.Inside the convertor is a clutch that only applies after 4th gear is achieved.This is to reduce slippage and gain better fuel economy.Sometimes,the fluid will deteriorate,or the clutch will become weak and won't hold totally,and will give a chattering or running over a washboard sensation.Sometimes the engagement and disengagement is simply harsh.This can usually be remedied with a fluid replacement of both the pan and the fluid in the torque convertor,along with some shudder fix fluid that you add in to the fluid.Total cost should be $100-$150-$200.If the fluid change and shudder fix doesn't correct the problem,then the torque convertor itself would need to be replaced with a remanufactured unit.Ford has more info on this shudder fix as there was a recall campaign i believe for the convertor shudder problem.Good luck.

Posted on Jul 25, 2008

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My 2003 Cartier L Town Car developed the shuddering issue about 40,000 miles ago. The solution is Ford's "friction modifier for limited-slip differentials" (a tiny bottle of liquid), added to the fluid in the transmission.

Price is way less than $20 (maybe less than $10); I think I gave $8.67 for mine, after 7-percent sales tax.

The person at the Ford parts counter will know which bottle to get; there is an official Ford/Lincoln TSB that advises this method. A fluid exchange is just throwing away your cash.

BEWARE: The fluid stinks more than you can possibly imagine! Use a cheap funnel (plastic, under $5) that you don't mind throwing away (in a dumpster far from your residence), and add the fluid in a well-ventilated area.

I think the funnel I used was on sale for $1.99 (before tax). Make sure you don't get ANY of the fluid on the car or on your hands, clothes, etc.: the stink lasts between 10 days and 2 weeks.

Park the car where the funnel will be downwind from you, and add when the wind is blowing 5 to 15 mph.

RESULTS SO FAR: over 40,000 miles with no more shudders, and my overall fuel economy has improved by 2.3 mpg. That's a HUGE increase!

Posted on May 16, 2016

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