Vibration

2010 FORD F-150
125,000 MILES • 5.4L • V8 • 4WD • AUTOMATIC
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NATHEN REMPFHER
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I get a vibration around twenty mph. It will vibrate from twenty to about twenty three mph. Also, once the truck is warm, it will vibrate while coasting anywhere from fifty to forty mph either in drive or in neutral. Once you give it fuel, it goes away.
Jul 8, 2018 at 6:09 AM
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ASEMASTER6371
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Good morning.

Does it feel like the engine is misfiring?

Is the check engine light on?

Have you had the universal joints checked for any rusted or failing cups?

Roy
Jul 9, 2018 at 1:09 AM
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NATHEN REMPFHER
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No check engine light or misfire. It feels like it could be drive line related. I recently replaced my drive line with an Evan Fischer drive line. (Cheap drive line) but it was balanced.
Jul 9, 2018 at 2:18 AM
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ASEMASTER6371
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I would still check the u joints to be sure they are not damaged.

Does this have a lift kit?

Roy
Jul 9, 2018 at 2:24 AM
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NATHEN REMPFHER
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Yes. It has a two and half inch level on the front and a three inch on the back. When I bought the cheap drive line I was told the u joints may go out faster than normal as well.
Jul 9, 2018 at 4:35 AM
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ASEMASTER6371
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Yep, do you have a one piece or two piece driveshaft?

Roy
Jul 9, 2018 at 4:42 AM
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NATHEN REMPFHER
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I have a two piece driveshaft. With the three inch level in the rear, would it be a good idea to install pinion angle shims?
Jul 9, 2018 at 10:01 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
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Yes, you need to set the angle. In your kit, it should have told you the spec you needed to change the pinion angle.

That may be he whole issue.

Roy
Jul 9, 2018 at 10:37 AM
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