There are 3 owner-reported powertrain & transmission complaints for the 2004 Lincoln Navigatorin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
THE CONSUMER NOTICED A WHINING NOISE COMING FROM THE DRIVELINE OF THE VEHICLE WHICH PROGRESSIVELY WORSENED. IT SEEMED TO BE MOST PRONOUNCED AT 60 MPH. THE CONSUMER THOUGHT IT MAY HAVE BEEN THE UNIVERSAL JOINT AND HAD TAKEN THE VEHICLE TO TASCA LINCOLN DEALERSHIP. THE DEALERSHIP KEPT THE VEHICLE FOR A WEEK, BUT THEY DID NOT REPAIR THE VEHICLE. THE PART WAS DEFECTIVE AND HAD TO BE REPLACED. WHEN THE REPLACEMENT PART HAD COME IN, IT WAS ALSO DEFECTIVE. *AK *SC *JB
WHILE DRIVING 35 MPH VEHICLE VIBRATED UNCONTROLLABLY. CONSUMER WAS ABLE TO MAINTAIN CONTROL OF THE VEHICLE, AND PULLED OVER. CONSUMER NOTICED THAT FLUID WAS LEAKING FROM UNDERNEATH THE VEHICLE WHICH WAS WAS TAKEN TO THE DEALER FOR INSPECTION, AND MECHANIC DETERMINED THAT THE COMPRESSOR NEEDED TO BE REPLACED. *AK
SHIFTER ASSEMBLY BREAKS AND MAKES IT IMPOSSIBLE TO REMOVE THE KEY FROM THE VEHICLE WHICH COULD RESULT IN THEFT. POWER LIFTGATE WILL NOT WORK CORRECTLY WHICH COULD CAUSE IT TO CLOSE ON TOP IF YOU. DRIVERS SIDE POWER RUNNING BOARDS ARE FAULTY AND BECOME A TRIP HAZARD. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026