There is a vibration when driving thirty two to thirty seven mph in "drive" gear

1998 FORD EXPEDITION
230,000 MILES • 5.4L • V8 • 4WD • AUTOMATIC
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BUTCH JOHNSON
  • MEMBER
  • 2 POSTS
There is a vibration when driving thirty two to thirty seven mph in "drive" gear, but not in second gear.
Jan 7, 2017 at 2:14 AM
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JOHNNY G.JR
  • ✓Experienced Mechanic
  • 320 POSTS
Front, rear, in the steering? More information needed.
Jan 7, 2017 at 3:30 AM
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BUTCH JOHNSON
  • MEMBER
  • 2 POSTS
The whole car.
Jan 7, 2017 at 5:32 AM
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CARADIODOC
  • ✓Experienced Mechanic
  • 34,330 POSTS
Hi guys. Next time this occurs, hold the accelerator pedal perfectly steady, then see if it stops when you lightly tap the brake pedal. If the vibration stops for two or three seconds, it is likely being caused by the lock-up torque converter. The best suspect is the wrong transmission fluid is being used.
Jan 8, 2017 at 7:06 AM
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