Vibration in excelleration

1992 FORD F-150
170,000 MILES • V8 • 2WD • AUTOMATIC
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NATHANIEL JEFFERSON
  • MEMBER
  • 2 POSTS
I have a 1992 ford f150 that vibrates at 30-40mph. Sometimes it's smooth, sometimes it causes me to let off the excellerator. Do you know what the cause can be?
Dec 14, 2010 at 12:53 AM
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FIXITMR
  • ✓Experienced Mechanic
  • 9,989 POSTS
bad motor mount or drive shaft issue? is the vehicle in overdrive when this happens?
Dec 15, 2010 at 11:00 AM
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NATHANIEL JEFFERSON
  • MEMBER
  • 2 POSTS
no, it isn't in overdrive. do you think that this could be caused by a bad transmition. Though it isn't slipping. I do know that it needs rebuilt.
Dec 16, 2010 at 5:37 AM
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FIXITMR
  • ✓Experienced Mechanic
  • 9,989 POSTS
i guess the way to find out is to have it rebuilt? then post again if the same problem is happening.
Dec 16, 2010 at 12:09 PM
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