The 2019 E-350 with the 6.8L V10 Triton is Ford's workhorse cutaway/van chassis, but this generation V10 has serious bottom-end durability issues that can grenade engines surprisingly early. Transmission cooling system failures are also common and can take out the 6R140 if ignored.
Symptoms: Sudden metallic knocking or rattling from bottom end, Loss of oil pressure at idle or under load, Metal shavings in oil on routine changes, Check engine light with low oil pressure codes
Fix: The 6.8L V10 in this era has documented issues with rod and main bearing wear leading to spun bearings and catastrophic failure. Fix requires complete short block replacement or engine rebuild with upgraded bearings. Expect 18-24 labor hours for short block swap, 25-35 hours for full teardown rebuild.
Estimated cost: $8,000-14,000
Transmission Oil Cooler Line Failure
Common · high severity
Typical onset: 50,000-90,000 mi
Symptoms: Transmission fluid leaking from radiator area or cooler lines, Pink or red fluid pooling under vehicle, Transmission overheating warnings, Burnt transmission fluid smell
Fix: The steel cooler lines running to the radiator corrode and develop pinhole leaks or crack at crimp points. If leak allows fluid loss during operation, the 6R140 trans will overheat and fail internally. Replacement involves new OEM lines and often full cooler flush. 3-5 labor hours depending on access and if radiator removal needed.
Estimated cost: $600-1,200
Transmission Mount Failure
Common · medium severity
Typical onset: 70,000-110,000 mi
Symptoms: Clunking when shifting into drive or reverse, Excessive drivetrain movement during acceleration, Vibration at idle in gear, Visible sagging or cracking of rubber mount
Fix: The rear transmission mount deteriorates from the V10's torque and weight of upfit bodies. Rubber separates from metal brackets. Replacement requires lifting transmission slightly with jack. 2-3 labor hours.
Estimated cost: $350-650
Head Gasket Failure (Both Banks)
Occasional · high severity
Typical onset: 80,000-150,000 mi
Symptoms: White smoke from exhaust on cold start, Coolant loss with no visible external leaks, Overheating under load or towing, Milky oil or oil in coolant reservoir, Misfires on multiple cylinders
Fix: The 6.8L V10 develops head gasket leaks between cylinders or into coolant passages. Often both banks need replacement at once. Requires heads pulled, machined flat, new gaskets and studs. If heads are warped beyond spec, add $800-1,200 per head for replacement. 16-22 labor hours for both banks.
Estimated cost: $3,500-6,000
Spark Plug Ejection / Stripped Threads
Occasional · medium severity
Symptoms: Sudden loud popping noise from engine bay, Immediate misfire on one cylinder, Hissing sound from cylinder head, Loss of power
Fix: The two-piece spark plug design and aluminum head threads can strip or allow plug to blow out under combustion pressure, especially if over-torqued during service or if plug hasn't been changed on schedule. Requires HeliCoil or TimeSert thread repair kit. 2-4 hours per cylinder depending on access.
Estimated cost: $400-800
Fuel System Contamination from In-Tank Pump Failure
Occasional · medium severity
Typical onset: 90,000-140,000 mi
Symptoms: Hard starting or extended crank time, Loss of power under acceleration, Rough idle or stumbling, Fuel pump whining noise from tank area
Fix: The in-tank fuel pump can fail and send debris through fuel system. Requires pump replacement plus fuel filter change and often fuel rail/injector cleaning or replacement if contaminated. Tank drop required. 4-6 labor hours.
Estimated cost: $800-1,500
Owner tips
Change oil every 5,000 miles maximum with quality 5W-20 synthetic — bearing wear is accelerated by extended intervals on this V10
Inspect transmission cooler lines every oil change for rust, weeping, or corrosion — replace proactively if surface rust present
Replace spark plugs at 60,000 miles with OEM Motorcraft — never exceed factory torque spec (27-33 lb-ft)
Service transmission fluid at 50,000 mile intervals even though Ford says lifetime — heat kills the 6R140
Budget for engine replacement by 100k miles if buying used — this V10 generation has widespread bottom-end failures
Buy only if you need the payload capacity and can afford a spare $10k for inevitable engine work — this V10 has serious longevity problems that make it a risky used purchase above 60k miles.
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.
Fitment notes: Heavy duty battery for commercial van; 6.8L V10 requires high CCA
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Every control module on the 2018-2026 Ford E-350 — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
⚠️ Key programming and immobilizer relearn required; function integrated into BCM on this generation
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2019 Ford E-350 6.8L V10 Triton and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.