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2020 NISSAN MAXIMA

3.5L V6 VQ35DE•FWD•CVT•gas
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5-Year Cost of Ownership
$25,127 maintenance + known platform issues
~$5,025/yr · 420¢/mile equivalent · $6,069 maintenance + $3,723 expected platform issues
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3.5L V6 VQ35DE
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3.5L V6 VQ35DE
Common Problems & Known Issues

The 2020 Maxima uses Nissan's long-running VQ35DE V6 paired with a Jatco CVT. While the engine itself is proven reliable, this generation suffers from CVT-related issues and some concerning oil consumption problems that can lead to catastrophic internal engine damage if ignored.

CVT Transmission Overheating & Premature Failure

Common · high severity
Typical onset: 60,000-100,000 mi
Symptoms: shuddering or hesitation during acceleration, whining or grinding noise from transmission, limp mode activation, burnt transmission fluid smell, transmission overheating warning light
Fix: CVT oil cooler failure is the early warning sign, but many units develop internal bearing/belt wear leading to full replacement. Oil cooler replacement is 3-4 hours labor. Complete CVT replacement runs 12-16 hours due to tight engine bay access and fluid flush procedures.
Estimated cost: $800-1,200 for oil cooler; $4,500-7,000 for full CVT replacement

Excessive Oil Consumption Leading to Engine Damage

Occasional · high severity
Typical onset: 40,000-80,000 mi
Symptoms: low oil warning light between changes, burning oil smell from exhaust, blue smoke on startup or acceleration, rough idle, engine knock or rattle if oil level gets critically low
Fix: VQ35DE engines in some 2020s consume 1+ quart per 1,000 miles due to piston ring design and cylinder wall glazing. Nissan issued a service bulletin but no recall. Requires complete engine disassembly to replace piston rings or full short block. Expect 20-28 hours labor for ring replacement, 18-24 for short block swap.
Estimated cost: $4,000-6,500 for piston rings/honing; $6,000-9,000 for short block replacement

Transmission Mount Failure

Common · medium severity
Typical onset: 50,000-90,000 mi
Symptoms: excessive vibration at idle, clunking when shifting into drive or reverse, engine movement visible under hood during acceleration, harsh engagement when stopping
Fix: The front and rear transmission mounts wear prematurely on CVT models due to vibration harmonics. Front mount is accessible and takes 1.5-2 hours; rear mount requires subframe partial drop, adding another 2-3 hours. Replace both simultaneously to avoid comeback.
Estimated cost: $350-600 for front mount; $800-1,200 for both mounts

Fuel System Contamination from Tank Corrosion

Occasional · medium severity
Symptoms: rough idle and misfires, fuel system warning codes, hard starting when tank below half, fuel pump noise or whine, metal particles in fuel filter
Fix: Some 2020 tanks developed internal rust/corrosion that sends debris through the fuel system. Requires tank drop and cleaning, fuel pump replacement, all injectors cleaned or replaced, and new fuel filter. Labor runs 8-12 hours depending on contamination severity.
Estimated cost: $1,800-3,500 depending on injector damage

Rear Window Delamination

Occasional · low severity
Symptoms: cloudy or hazy appearance in rear glass, bubbling or separation of layers visible in sunlight, purple/rainbow tint developing in glass, reduced rear visibility
Fix: Factory rear glass on some 2020s has adhesive layer that separates under UV exposure. Covered under NHTSA recall but owners report delays in parts availability. Replacement is 2-3 hours labor for complete glass removal and installation.
Estimated cost: $0 if recall work; $600-900 out of pocket
Owner tips
  • Check oil level every 500 miles religiously—set a phone reminder. VQ35DE oil consumption can escalate quickly from 'noticeable' to 'catastrophic.'
  • Service CVT fluid every 30,000 miles with genuine Nissan NS-3 fluid regardless of 'lifetime fill' claims. Use external transmission cooler if you drive aggressively or tow.
  • Inspect transmission mounts at every oil change after 40k miles—catching them early prevents $800+ CVT damage from excessive movement.
  • Keep fuel tank above 1/4 full to minimize water condensation that accelerates tank corrosion, especially in humid climates.
Pass unless you find one with documented frequent oil level checks and 30k CVT services—the engine consumption and CVT issues are expensive ticking time bombs.
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.
524 jobs across 17 categories
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.
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