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Old 05-13-2013, 10:21 PM   #1
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Join Date: Oct 2011
Fan#: 90992
Location: Salem, OR
What I Drive: 2004 Ford Focus

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2004 Focus SVT shudders 40+

Hey guys,

I've got an odd issue I'd like to get some opinions on. I have a 2004 Ford Focus SVT with 248k miles.

While accelerating from 40mph to freeway speed the car shudders as if a wheel is out of balance. Soon as I letup on the accelerator the shudder stops and I have a perfectly smooth ride. Power feels great so I don't think its an engine misfire.

While stopped I can rev the engine or put it under load but I'm not able to replicate the issue. I have to be over 40 mph and under moderate engine load as if some part of the moving mass is out of balance.

So far I have replaced or checked the following parts trying to get this issue resolved.
  • All three engine/trans mounts
  • All 4 tires are new
  • Drivers side axle is new
  • Drivers side ball joints are new
  • Both sway bar end links are new
  • Checked both tie rod ends they appear tight
  • Checked the drivers side axle for split boots but they look ok and when I turn tight parking lot corners I don't hear any clicking

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