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2019 TOYOTA TUNDRA

4.6L V8•4WD•AUTOMATIC•gas
5-Year Cost of Ownership
$41,933 maintenance + known platform issues
~$8,387/yr · 700¢/mile equivalent · $37,703 maintenance + $3,030 expected platform issues
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3.4L V6 Twin Turbo Hybrid
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3.4L V6 Twin Turbo
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3.5L V6 Twin Turbo
Common Problems & Known Issues

The 2019 Tundra with the 5.7L 3UR-FE is mechanically bulletproof but suffers from a few recurring issues: fuel pump failures, transmission cooler leaks, and premature driveline wear. The 4.6L is less common and generally reliable but weaker on resale.

Fuel Pump Failure (Denso Recall Units)

Common · high severity
Symptoms: No-start or hard-start conditions, especially when tank is below half, Engine stumbles or dies at highway speed, Check engine light with fuel system pressure codes P0087/P0191
Fix: Covered under NHTSA recall 20V-133 and 21V-SKI if not already done. If outside recall window or aftermarket pump already installed, expect 2.5-3.5 hours drop-tank labor plus pump module. Many owners don't know recall was performed—verify history before buying.
Estimated cost: $600-1,200

Transmission Oil Cooler Line Leak

Common · medium severity
Typical onset: 70,000-140,000 mi
Symptoms: ATF spots on driveway, usually near front of truck, Transmission running hot (230°F+) under load, Pink fluid residue around radiator side tanks or hard lines to cooler
Fix: The auxiliary cooler lines and internal-to-radiator cooler both fail. Hard lines corrode at crimps; rubber sections crack. Often find both the frame-mounted auxiliary cooler leaking AND the in-radiator unit seeping. Plan on 3-4 hours to replace both cooler circuits, flush system, refill with WS fluid. Don't skip the aux cooler—it's cheap insurance.
Estimated cost: $800-1,400

Exhaust Manifold Tick/Crack (5.7L)

Occasional · low severity
Typical onset: 60,000-120,000 mi
Symptoms: Cold-start ticking from engine bay that fades when warm, Slight exhaust smell in cab on startup, Visible soot staining around manifold-to-head junction
Fix: The cast manifolds crack at the rear-most ports (cylinders 7-8 on driver side most common). Not a safety issue but annoying and can trigger O2 sensor codes eventually. Aftermarket headers or OEM manifolds both work; OEM is 6-8 hours per side due to access. Many owners live with it.
Estimated cost: $1,200-2,200

Rear Axle Seal and Pinion Bearing Noise

Occasional · medium severity
Typical onset: 80,000-150,000 mi
Symptoms: Howling or whirring from rear end that changes with speed, not throttle, Gear oil drip at pinion seal or axle tube ends, Vibration at 65-75 mph that feels like bad U-joint but isn't
Fix: The pinion bearing preload tends to loosen over time, especially on trucks that tow or run oversized tires. Axle seals leak when hubs wear. A pinion seal is 2 hours; full pinion bearing replacement with setup is 4-6 hours and requires shims/setup tools. If noisy, don't wait—collateral damage gets expensive fast.
Estimated cost: $600-1,800

Steering Rack Leak (Hydraulic Assist)

Occasional · medium severity
Typical onset: 90,000-140,000 mi
Symptoms: Power steering fluid weeping from rack boots, Groaning or whining when turning at low speed, Steering feel becomes notchy or sticky at center
Fix: Rack seal failure, especially driver-side inner tie rod seal. Rebuilt racks are hit-or-miss; OEM Toyota rack is reliable but pricey. Budget 3.5-4.5 hours for R&R, alignment included. There was a steering assist recall (20V-SKI) for software—verify it's done, but it doesn't fix leaking seals.
Estimated cost: $1,400-2,200

Secondary Air Injection Valve Rattle (5.7L)

Rare · low severity
Typical onset: 50,000-100,000 mi
Symptoms: Rapid clicking or rattling from engine bay on cold start, lasts 30-90 seconds, Check engine light P0410 (secondary air system), No performance impact, emissions test failure in strict states
Fix: The air injection pump or one-way valves fail. Pump is 2 hours; valves another 1.5 each. California and emissions-strict states care; elsewhere many delete or ignore. Not a breakdown risk but can complicate smog cert.
Estimated cost: $600-1,100
Owner tips
  • Change ATF at 60k if you tow—the WS fluid degrades faster than Toyota admits. Drain-and-fill, not flush.
  • Verify fuel pump recall completion (VIN lookup at Toyota dealer) before purchase. Many units still out there.
  • Diff fluid every 30-40k if you run larger tires or tow. The rear end is stout but needs clean oil.
  • Rust-check frame and brake lines annually if in salt belt—2019 still has old-school coating, not as good as 2022+.
Buy it—the 5.7L is one of the last unkillable truck engines, and most issues are maintenance-adjacent or recall-covered. Just budget $2k for catch-up work on anything over 100k 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.
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