2019 FORD EXPEDITION

3.5L V6 EcoBoost4WDAUTOMATICgasturbo
5-Year Cost of Ownership
$47,698 maintenance + known platform issues
~$9,540/yr · 790¢/mile equivalent · $36,266 maintenance + $8,832 expected platform issues
Compare this engine
vs
5.4L V8 Triton 3V
Common Problems & Known Issues

The 2019 Expedition shares the 3.5L EcoBoost twin-turbo V6 with the F-150, and unfortunately inherits some of its catastrophic failure modes. While many run fine past 100k, a significant minority experience low-speed pre-ignition (LSPI) and cam phaser failures that can destroy engines without warning.

Low-Speed Pre-Ignition (LSPI) Engine Failure

Occasional · high severity
Typical onset: 30,000-80,000 mi
Symptoms: Sudden catastrophic knocking under light throttle acceleration, Metal debris in oil filter during changes, Complete loss of power with check engine light, Piston skirt cracking visible only after teardown
Fix: Requires full short-block replacement or engine rebuild including pistons, rings, bearings, and usually crankshaft. 18-24 labor hours for in-frame rebuild, 25-30 for full removal. Ford extended warranty to 10yr/150k on some VINs but not all 2019s are covered.
Estimated cost: $8,000-15,000

Cam Phaser Failure and Timing Chain Stretch

Common · high severity
Typical onset: 60,000-120,000 mi
Symptoms: Cold-start rattle lasting 3-10 seconds that progressively worsens, P0016/P0017/P0018 cam correlation codes, Check engine light with reduced power mode, Metallic ticking that doesn't go away when warm
Fix: Requires both cam phasers, timing chains, guides, tensioners, and often VCT solenoids. 14-18 labor hours. Must use updated Ford parts (phaser design changed mid-2019). Ignoring it leads to jumped timing and bent valves.
Estimated cost: $3,500-5,500

10R80 Transmission Oil Cooler Line Leaks

Common · medium severity
Typical onset: 40,000-90,000 mi
Symptoms: Transmission fluid puddle under front of vehicle, Burnt transmission smell after highway driving, Slipping or delayed shifts when fluid gets low, Pink fluid visible on frame rails or crossmember
Fix: Cooler lines crack at crimp points near radiator. Replace both lines and top off fluid. 2-3 labor hours. If neglected and trans runs low, internal damage requires rebuild at 20+ hours.
Estimated cost: $400-800

Transmission Harsh Shifts and Shudder (10R80)

Common · medium severity
Symptoms: Hard 2-3 or 3-4 upshifts especially when cold, Shudder during light acceleration at 20-40 mph, Clunk when shifting into Drive or Reverse, Improved slightly after fluid changes but returns
Fix: Often requires TCM reflash (TSB 21-2283), adaptive learning reset, and Mercon ULV fluid change. If that fails, torque converter replacement at 10-12 hours. Some cases need valve body replacement at 8-10 hours.
Estimated cost: $150-3,200

Rear Suspension Knuckle Bolt Loosening

Occasional · high severity
Typical onset: 20,000-60,000 mi
Symptoms: Metallic clunking over bumps from rear, Wandering rear end feel at highway speed, Visible gap at knuckle-to-lower control arm joint, Uneven rear tire wear
Fix: Recall 20S38 covers inspection and retorquing of rear knuckle bolts. If bolts loosened significantly, knuckle and control arm bushings may need replacement. 2-4 hours per side if parts are damaged.
Estimated cost: $0-1,500

Front Seat Recliner Pawl Failure

Occasional · medium severity
Symptoms: Driver or passenger seat back suddenly reclines during braking, Recliner handle feels loose or doesn't catch, Seat rocks forward and back at recline pivot, Clicking sound when adjusting seat back angle
Fix: Recall 20S47 covers replacement of seat recliner mechanism. Dealer-only repair typically, 1.5-2 hours per seat. DIY not recommended due to pretensioner risks.
Estimated cost: $0-800
Owner tips
  • Use only Motorcraft oil and change every 5,000 miles religiously—these EcoBoosts are oil-sensitive and LSPI risk increases with worn oil
  • Check oil filter media for metal flakes at every change; catching phaser or piston wear early can save the engine
  • Mercon ULV fluid changes at 40k intervals help the 10R80 live longer; dealer or quality indie only, this fluid is picky
  • Address cam phaser rattle immediately when it starts—waiting turns a $4k job into a $12k job when timing jumps
Buy only with comprehensive warranty or bulletproof service records showing recent cam phaser replacement—the EcoBoost V6 is a ticking time bomb without meticulous maintenance.
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.
595 jobs across 17 categories
Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included. Built by the same team.
Try ShopBase →