2003 Lincoln Navigator engine and engine cooling problems
10 owner complaints filed with NHTSA name the engine and engine cooling on the 2003 Lincoln Navigator — 8% of all complaints for this model year.
What owners report
“Loss of brake fluid, leaked through to cruise deactivation switch into cruise systems and electrical components causing corrosion which caused a short. Had trouble with cruise control working over time lead to higher flow of current that overheated and caused fire at switch under hood. Ford speed…”
filed Mar 13, 2012
“I own a 2003 lincoln navigator with the 5.4 liter engine and I have an oil leak coming from both back corners on each of the cylinder head gaskets. My mechanic shop did research and found that during this year of 2003 the gaskets could of been damaged during installation at the manufacturing plant…”
filed Dec 29, 2010
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine and Engine Cooling problems in other Navigator years
| Year | Reports | Share |
|---|---|---|
| 2022 Navigator | 1 | 5% |
| 2019 Navigator | 1 | 1% |
| 2007 Navigator | 1 | 2% |
| 2006 Navigator | 13 | 22% |
| 2005 Navigator | 5 | 10% |
| 2004 Navigator | 8 | 9% |
| 2002 Navigator | 7 | 22% |
| 2001 Navigator | 4 | 5% |
| 2000 Navigator | 7 | 6% |
| 1999 Navigator | 22 | 17% |
| 1998 Navigator | 16 | 8% |
Other reported problem areas on the 2003 Lincoln Navigator
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.