Huge win for car owners! All TSBs to be made public. The Center for Auto Safety just made the NHTSA (US Government) make public the full text of all TSBs from now on. They are the same organization that has petitioned the NHTSA & filed lawsuits to protect car owners over exploding gas tanks & other major safety issues. Whenever you drive in your car, you are safer thanks in part to a lot of work over the years by this small but very effective consumer advocacy group.

Please take a moment & say thank you by donating $5 or whatever you can to the Center for Auto Safety.


really awful
Crashes / Fires:
1 / 1
Injuries / Deaths:
0 / 0
Average Mileage:
105,075 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2003 Lincoln Navigator engine problems

engine problem

Find something helpful? Spread the word.
Get notified about new defects, investigations, recalls & lawsuits for the 2003 Lincoln Navigator:

Unsubscribe any time. We don't sell/share your email.

2003 Lincoln Navigator Owner Comments

problem #4

Aug 252011

Navigator 8-cyl

  • 199,000 miles


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 control deactivation switch fire. The fire originated in the area where the speed control deactivation switch is located (left rear corner of the engine compartment at the master cylinder. There was evidence of speed control deactivation switch failure prior to the fire including inoperable speed control, repeated difficulty shifting out of park.

- Whittier, CA, USA

problem #3

Dec 032011


  • 90,300 miles
The contact owns a 2003 Lincoln aviator. While driving 20 mph, the accelerator pedal remained stuck to the floor. The dealer inspected the vehicle and informed the contact that the accelerator cable was fractured. The contact was awaiting repairs to the vehicle. The contact was also awaiting a response from the manufacturer. The approximate failure mileage was 90,300. The VIN was unavailable.

- Houston, TX, USA

problem #2

Feb 032008

Navigator 8-cyl

  • 76,000 miles
While driving in a parking lot a car pulled out in front of my 2003 Navigator as I hit the brakes I felt my SUV drop from the front. The tire skidded and I hit the car that was pulling out. After the accident my truck was never the was taken to the dealership but they said the warranty would not cover it.I have a 40000 dollar truck just parked in the driveway for the past 6 months I know mechanics that can convert it to to springs suspension for about 400 dollars but that's not the point I paid top dollar for a piece of you know what.I drive a 2000 Nissan with 170000 miles on it and haven't spend a dime on it besides tires

- Mission, TX, USA

problem #1

Sep 102006


  • 55,000 miles
Vehicle was purchased at marshall bros in new orleans, vehicle was sold as a certified vehicle. Vehicle had to have a new transmission installed 2 months after vehicle purchased. Vehicle was sold with the problem known to dealership. Worker at location stated they knew it and when we purchased vehicle, they insisted on us buying an extended warranty since it was used. Insisted to the point of giving policy at cost, this was due to known problem, transmission case and unit was so badly damaged that it could not have been missed. Previous owner contacted and stated they told dealership of problem. Also since vehicle was owned electrical system has gone haywire, battery not charging periodically, alarm and lights operating on their own, lights staying on, coming on at night, radio staying on dealership stated they could not find anything wrong when brought in for issues, they kept vehicle for three days. Happened several more times, same statement by dealer. I researched problem on internet and discovered tsb's on same problems, but no recall. But tsbs have existed since 2004, dealer knew windshield leaks into computer and moonroof can leak causing same problem, dealership didn't fix anything, then when out of warranty dealership states known issue and fuse panel needs replacing at cost of $4,000. This should be a recall after my research and since the dealerships are doing everything they can including lying and selling vehicles with known problems. BBB was contacted and in process of having press involved. Please look at all complaints on issue and make a recall necessary. This is a dangerous problem, vehicles wrecking, putting drivers in dangerous situations.

- New Orleans, LA, USA

Not what you are looking for?