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ProblemsByVinChecklist / 2006-LINCOLN-NAVIGATOR
Pre-purchase · Buyer's checklist
2006 Lincoln Navigator inspection checklist
The 2006 Lincoln Navigator has 60 owner complaints with NHTSA across 5 component categories. Use this checklist before you put money down — every item below is grounded in the actual failure pattern on this vehicle, not generic advice.
1
Inspect the engine
What to look for: Blue smoke on cold start (oil burning), white smoke at temperature (coolant), knock or tick that doesn't go away after warm-up, oil spots under the vehicle. (18 owner complaints on this vehicle
· typical repair $3,100 · failures cluster ~76,804 mi)
On the test drive: Drive until the gauge reaches operating temp, then check temp stability under load on a hill. Surging or temp climbing under load = thermostat or water pump.
What to look for: Bouncing after bumps, knocking over potholes, sagging on one corner, harsh ride with all the dampening gone. (16 owner complaints on this vehicle
· typical repair $900 · failures cluster ~92,833 mi)
On the test drive: Drive over a series of bumps or a railroad crossing — clunks point to worn end links, ball joints, or strut mounts.
What to look for: Dim or flickering dash lights at idle, slow window operation, intermittent infotainment glitches, parasitic battery drain (dead battery after a few days parked). (7 owner complaints on this vehicle
· typical repair $850 · failures cluster ~86,267 mi)
On the test drive: Cycle through every electronic accessory during the drive — heated seats, defrosters, climate fan on max, cruise control. Glitches show up under load.
What to look for: Anything that looks, sounds, or smells different from peer vehicles of the same year and trim. (3 owner complaints on this vehicle
· typical repair $1,100 · failures cluster ~152,333 mi)
What to look for: Wandering on the highway, clunks when turning, slop in the wheel before the tires respond, power steering whine. (3 owner complaints on this vehicle
· typical repair $700 · failures cluster ~53,333 mi)
On the test drive: On a smooth highway, take hands off briefly (when safe) — vehicle should track straight. Pulling left or right means alignment or worn front-end parts.
The seller's transparency on these tells you what kind of seller you're dealing with.
Inspection items derived from 60 owner complaints and 1 active recall campaigns filed
with NHTSA on the 2006 Lincoln Navigator. Category-specific guidance is written by ProblemsByVin contributors with ASE-certified mechanic
review. This checklist is meant to surface known patterns — it doesn't replace a paid pre-purchase inspection by a
qualified shop, which we recommend for any used vehicle priced over a few thousand dollars.