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Old 10-03-2011, 13:40   #1 (permalink)
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Question Ford Taurus 1999 transmission problem

Hello @ the Forum.
Here is my "headache":

Car: Ford Taurus Station Wagon;1999;
Engine: 3L (Duratec);
Transmission replaced approx. 5-6 years ago.
Milage: 214.000 km (133.000 miles)
Maintenance: Have to admit negligence.
Oil level checked 6 mnts ago-ok;
Yesterday had to add 1L

Problem: When in D and starting to move 1st gear engages. When the 2nd gear should engage the engine revs ( 3500-4000 rev).
When I shift to 2- gears shift properly so I can use the car in the city (60 km max).

Took the car to my mechanic (not a transmission specialist). Scanner displayed:
code 1744 with comments :
"Manufacturer Controled Transmission"
"Torque Converter Clutch
Performance/Stuck "
Is a replacement of filter,oil and the TCC solenoid worth to try? I do not think
to replace/refurbish the transmission is economical (considering km/mileage)- or is it?

Thanks for Help

PS: If additional info needed I'll gladly provide it.
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Old 10-03-2011, 15:09   #2 (permalink)
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Re: Ford Taurus 1999 transmission problem

The valve bodies on those cars are specific to each other. You have to get the proper
solenoid and get the proper location. That is a generic code. That just means the converter didn't lock up the engine over revved and the computer set that code. Looks
like you may need a shift solenoid and a converter. The converters on those cars are
junk. I think from 96 and up. Bad driving habits, jack rabbit starts, and lack of
maintenance will trash those transmissions every time. I have 567,931 KM. on my original
94 Taurus transmission and they were the worse ones out there. It all depends on how you drive it. Good luck.
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Old 10-03-2011, 21:05   #3 (permalink)
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Re: Ford Taurus 1999 transmission problem

Thank You, Sir, for your response.
Regarding the Torque Converter:
The transmission seems to work properly when the shift stick is in position 2,1 and Reverse (positions P,R,D,2,1). Can't I assume that the TC is working properly?
Regarding the car's history: I bought it in 2002 (91,000 km).The transmission was refurbished in 2005 (141,000 km)- so it "lived" slightly more than 70,000 km. I have to accept that not caring for it properly contributed to the problem.

With gratitude
Nalim - Milan
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Old 10-04-2011, 08:17   #4 (permalink)
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Re: Ford Taurus 1999 transmission problem

The lock up is not used when shifted manually. The converter locks up first in 4th and then
over drive kicks in.
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Old 10-08-2011, 05:25   #5 (permalink)
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Re: Ford Taurus 1999 transmission problem

The converter will lock up in 3rd, given the right circumstances, and 4th IS overdrive.

To check lockup, travel over 40 mph on level ground, note the tachometer rpm readings. Tap on the brake pedal enough to light the brake lights, and watch the tach. If the rpms jump ~3-400 rpm for about 5 seconds, and then drop back to what they were prior, your torque converter is locking up. It releases whenever the brake switch is closed.
If the transmission will not shift properly into 2nd gear by itself, but will shift when you move the selector lever to the '2' position, you can make a good guess that the hydraulic parts of the transmission, which make 2nd work, are functional, and you have a control system problem. In other words, the transmission gizzards are ok, but the valve body and or solenoids are malfunctioning.
tom
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