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2022 LINCOLN NAVIGATOR

3.5L EcoBoost V6•4WD•AUTOMATIC•gas•turbo
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5-Year Cost of Ownership
$13,764 maintenance + known platform issues
~$2,753/yr · 230¢/mile equivalent · $6,814 maintenance + $4,350 expected platform issues
Compare this engine
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5.4L V8 Triton 3V
Common Problems & Known Issues

The 2022 Navigator shares the 3.5L EcoBoost twin-turbo V6 and 10-speed automatic with the Expedition, inheriting both its strong towing capability and its carbon buildup tendencies. Being so new, catastrophic failures are rare but early-production electrical gremlins and transmission cooler issues appear disproportionately.

Transmission Oil Cooler Line Leaks and Contamination

Occasional · high severity
Typical onset: 20,000-60,000 mi
Symptoms: Transmission fluid leaking near radiator or underneath vehicle, Harsh shifting or delayed engagement after starting, Pink or milky fluid in coolant overflow tank indicating cross-contamination
Fix: Replace transmission oil cooler and lines, flush both transmission and cooling system if contamination occurred. 4-6 hours labor if caught early; if coolant mixed into transmission, add another 8-10 hours for full trans flush/rebuild
Estimated cost: $1,200-$3,500

Direct-Injection Carbon Buildup on Intake Valves

Common · medium severity
Typical onset: 50,000-80,000 mi
Symptoms: Rough idle or misfires at cold start, Loss of power under acceleration, especially when towing, Check engine light with multiple misfire codes (P0300-P0306)
Fix: Walnut-blasting or manual cleaning of intake valves. Remove intake manifold, 6-8 hours labor for thorough job on both banks
Estimated cost: $800-$1,400

Integrated Trailer Brake Controller Faults (NHTSA Recalls)

Occasional · high severity
Symptoms: Trailer brake controller error messages on dash, Trailer brakes not activating or locking up unexpectedly, Complete loss of trailer brake function while towing
Fix: Software reflash at dealer or module replacement if hardware failure. Covered under recall 22V-805, 23V-284, and 23V-612. 1-2 hours if just software, 3-4 hours if module replacement needed
Estimated cost: $0-$1,200

10-Speed Transmission Adaptive Learning Issues and Harsh Shifts

Common · medium severity
Typical onset: 10,000-50,000 mi
Symptoms: Hard downshifts from 3rd to 2nd or 2nd to 1st when slowing, Hunting between gears on highway (9th-10th), Occasional clunk when shifting into drive from park
Fix: Start with TSB updates and adaptive learning reset (1 hour). If mechanical, solenoid pack replacement or valve body work required, 8-12 hours with trans still in vehicle
Estimated cost: $200-$2,800

Turbocharger Wastegate Rattle and Actuator Failure

Occasional · medium severity
Typical onset: 60,000-100,000 mi
Symptoms: Rattling sound from engine bay at idle or light throttle, Reduced boost pressure and sluggish acceleration, Check engine light with underboost codes (P0299, P0234)
Fix: Replace wastegate actuator or entire turbocharger if wastegate is seized. 6-8 hours per side, both turbos often need attention within 10k miles of each other
Estimated cost: $1,800-$3,500

Phaser and Timing Chain Stretch (Early Wear)

Rare · high severity
Typical onset: 80,000-120,000 mi
Symptoms: Cold-start rattle lasting 3-5 seconds from front of engine, Check engine light with cam/crank correlation codes (P0016, P0017, P0018), Rough running or no-start if chain skips teeth
Fix: Replace cam phasers, timing chains, guides, and tensioners on both banks. Engine-out recommended for thorough job: 20-30 hours labor
Estimated cost: $5,500-$8,500
Owner tips
  • Use quality synthetic oil and change every 5,000 miles to minimize carbon buildup and phaser wear — 10k factory interval is too long for this engine under towing loads
  • If towing regularly, add an auxiliary transmission cooler and consider catch-can installation to reduce intake valve carbon
  • Check transmission fluid color at every oil change; pink or brown means cooler has failed and immediate service is required
Too new to call reliability proven — wait another 2-3 years for high-mileage data, or buy CPO with extended warranty to cover the EcoBoost's known weak points.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
505 jobs across 17 categories

body (30)

brakes (41)

cooling (21)

drivetrain (33)

electrical (77)

engine (71)

exhaust (22)

hvac (23)

interior (24)

maintenance (32)

steering (23)

suspension (47)

transmission (30)

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years.
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