2002 NISSAN MAXIMA

3.0L V6 VQ30DEFWDCVTgas
5-Year Cost of Ownership
$26,641 maintenance + known platform issues
~$5,328/yr · 440¢/mile equivalent · $5,159 maintenance + $5,647 expected platform issues
Compare this engine
vs
3.5L V6 VQ35DE
Common Problems & Known Issues

The 2002 Maxima with VQ35DE is a solid performer undermined by catastrophic transmission failure and pre-cat disintegration issues that can grenade the engine. When they survive these two killers, they're dependable daily drivers.

Automatic Transmission Failure (RE5F22A)

Common · high severity
Typical onset: 80,000-130,000 mi
Symptoms: Grinding or shuddering between 2nd-3rd gear shifts, Slipping under acceleration, especially when warm, Delayed engagement into Drive or Reverse, Burnt transmission fluid smell, dark fluid with metallic particles
Fix: The Jatco RE5F22A 5-speed auto is notoriously weak behind the VQ35DE. Clutch pack material sheds, clogs valve body and oil cooler. Rebuild requires 8-12 hours labor, but most shops recommend replacement with remanufactured unit due to high re-failure rate. External cooler addition is mandatory during repair. Used units fail quickly.
Estimated cost: $2,800-4,500

Pre-Catalytic Converter Disintegration and Engine Destruction

Occasional · high severity
Typical onset: 90,000-150,000 mi
Symptoms: Rattling from exhaust manifold area on cold start, Sudden loss of power and Check Engine Light, Metallic grinding noise from engine bay, Catastrophic engine failure: scored cylinder walls, damaged pistons, spun bearings
Fix: Pre-cats integrated into exhaust manifolds break apart; ceramic substrate gets sucked into cylinders. Once ingested, requires complete engine rebuild or replacement: all pistons, rings, honing/boring cylinders, crank polishing, bearings. 25-35 hours labor for proper rebuild. Short block replacement is 18-22 hours. This explains the frequent engine rebuild jobs in the data.
Estimated cost: $4,500-7,500

Lower Control Arm Ball Joint Failure

Common · medium severity
Typical onset: 70,000-110,000 mi
Symptoms: Clunking from front suspension over bumps, Wandering or loose steering feel, Uneven tire wear on inside edges, Excessive play detectable during tire shake test
Fix: Ball joints are pressed into control arms and fail from wear. Nissan sells only complete control arm assemblies (non-serviceable design). Replace both sides simultaneously. 2.5-3.5 hours labor for both sides, includes alignment. This matches the NHTSA recall component for lower control arms.
Estimated cost: $600-950

Transmission and Engine Mounts Collapse

Common · low severity
Typical onset: 60,000-100,000 mi
Symptoms: Excessive vibration at idle, especially in Drive with brake applied, Clunk when shifting from Park to Drive/Reverse, Engine rocks noticeably during acceleration or deceleration, Visible sagging of engine/transmission when inspected
Fix: Hydraulic mounts deteriorate, leak fluid, and collapse. Transmission mount (rear) fails most frequently. Replace all three mounts (front, rear trans mount, torque strut) together. 3-4 hours labor total. Matches frequently-documented transmission mount repairs in data.
Estimated cost: $450-750

Mass Airflow Sensor Contamination

Occasional · low severity
Typical onset: 80,000-140,000 mi
Symptoms: Rough idle and hesitation during acceleration, Check Engine Light with P0171/P0174 lean codes, Poor fuel economy, 3-5 mpg drop, Stalling at stops after highway driving
Fix: Hot-wire MAF sensor gets contaminated from oil residue (often from over-oiled aftermarket air filters). Clean with MAF-specific cleaner first (0.3 hours). If cleaning fails, replacement needed (0.8 hours). Use OEM sensor only; aftermarket units cause recurring issues.
Estimated cost: $150-400

Fuel Sending Unit Failure

Occasional · low severity
Typical onset: 100,000-160,000 mi
Symptoms: Fuel gauge reads empty when tank is full, or bounces erratically, Gauge sticks at one position regardless of fuel level, Inaccurate range-to-empty calculations
Fix: Resistor strip in fuel tank sending unit wears out. Requires fuel tank drop and pump/sender module replacement. 2.5-3 hours labor. Matches fuel filter documentation (accessed during tank drop). Dealer-only part in many cases.
Estimated cost: $400-650
Owner tips
  • Change transmission fluid every 30k miles with Nissan Matic-J fluid only—can delay but not prevent failure
  • Inspect pre-cats for rattle at every oil change after 80k miles; replace manifolds proactively if rattling detected
  • Add external transmission cooler if towing or in hot climates—$200 investment vs $4k transmission
  • Check engine mounts annually after 60k—they're wear items on this platform
  • Avoid aftermarket intake systems and oiled air filters—they contaminate the MAF sensor
Buy only with documented transmission replacement or if under 80k miles with flawless maintenance records—budget $3-5k for eventual trans failure and hope the pre-cats don't take out the engine first.
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.
472 jobs across 15 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 →