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TSB
09-20-5
  • SHUDDER OR VIBRATION ON ACCELERATION - ESPECIALLY WHEN LOADED
Publication Date: September 29, 2009

FORD:
2008-2010 F-250, F-350

This article supersedes TSB 9-4-9 to update the vehicle model years.

ISSUE:

Some 2008-2010 F-Super Duty 250/350 vehicles with single rear wheels (SRW) and F-350 dual rear wheel (DRW) may exhibit an excessive drive-away shudder or vibration under moderate to heavy acceleration from a stop, especially when heavily loaded. This may be due to driveline angle. The shudder or vibration may be more evident while towing a trailer or if vehicle is overloaded.

  • Trailer tongue weight should be 10-20 percent of the total trailer weight, depending on the hitch.
  • If towing a 5th wheel or gooseneck trailer the centerline of the hitch should be two (2) inches in front of the rear axle centerline.
  • Refer to the Owners Guide and Certification Label on the drivers door for maximum payload and cargo capacity.

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