1999 Lincoln Navigator defect investigations

Investigations by NHTSA’s Office of Defects Investigation that name the 1999 Lincoln Navigator. An investigation is how complaints can become a recall: complaints → investigation → (sometimes) TSB → recall.

• SPARK PLUG EJECTION FROM CYLINDER HEAD
  Defect Petition DP05005 · opened Sep 22, 2005 · closed Jan 4, 2006

  On september 6, 2005, odi received a petition requesting that the agency investigate allegations of engine spark plug ejection in certain model year 1997 through 2004 ford vehicles with triton v-8 and v-10 engines.odi received a total of 474 non-duplicative complaints on the subject vehicles where the complainant, or t…

• ENGINE COMPARTMENT FIRES
  Engineering Analysis EA05005 · opened Mar 22, 2005 · closed Aug 2, 2006 · led to recall 08V025000

  Ea05-005 is closed with ford?s actions in recalls 05v-017, 05v-388, and 06v-286, recalling approximately 6.7 million vehicles equipped with texas instruments speed control deactivation switches (scds).the brake systems in these recalled vehicles generate a vacuum that can potentially cause the scds to fail and, in cert…

• FACTORY INSTALLED TOWING HITCH SEPARATIO
  Preliminary Evaluation PE99060 · opened Sep 27, 1999 · closed Mar 8, 2000 · led to recall 00V073000

  This investigation was opened on september 27, 1999 based on five consumer reports alleging that some of the eight hitch mounting bolts either became loose or came completely out of its retaining plate.one of the complaints indicated that while towig a trailer the hitch actually separated from the frame on the passenge…