The 2018 Fairlady Z (370Z) with the VQ37VHR is a solid sports car platform, but the 7-speed automatic transmission is problematic and the VQ37 timing chain system has known weak points that emerge in the 80k-120k mile range. Manual transmission cars are far more durable.
7-Speed Automatic Transmission Failure (RE7R01A)
Common · high severity
Typical onset: 60,000-100,000 mi
Symptoms: Harsh shifting or flaring between gears, especially 2-3 and 5-6, Transmission slipping under load or refusing to shift, Metal debris in fluid during service, Valve body fault codes (P17F0, P17F5)
Fix: Valve body replacement is a band-aid; most need full rebuild or reman unit. Transmission removal is 8-12 hours labor. Nissan revised valve bodies twice but core design remains fragile under spirited driving.
Estimated cost: $4,500-7,500
Timing Chain Guide and Tensioner Wear (VQ37VHR)
Occasional · high severity
Typical onset: 80,000-130,000 mi
Symptoms: Cold-start rattle for 2-5 seconds that worsens over time, Metallic grinding noise from front of engine, Check engine light with cam/crank correlation codes, Plastic debris in oil during changes
Fix: Upper and lower chain guides crack, tensioners lose pressure. Full timing chain job requires engine out or front subframe drop—book time is 18-24 hours. Must replace all guides, tensioners, and chains as a kit. Neglect leads to jumped timing and valve contact.
Estimated cost: $3,500-5,500
CSC (Concentric Slave Cylinder) Failure - Manual Only
Common · medium severity
Typical onset: 40,000-80,000 mi
Symptoms: Clutch pedal stays on floor or feels spongy, Difficulty shifting into gear with engine running, Fluid leak visible at bell housing, Grinding when engaging gears
Fix: Internal slave cylinder fails, requires transmission removal. 6-8 hours labor. Upgrade to HD aftermarket unit (Z Speed, ZFG) strongly recommended over OEM replacement—OEM will fail again. Many owners do clutch while trans is out.
Estimated cost: $1,200-2,000
Transmission and Differential Mounts Deteriorate
Common · low severity
Typical onset: 50,000-90,000 mi
Symptoms: Clunking on launch or deceleration, Excessive driveline vibration at idle in gear, Shifter buzz or rattling through center console, Visible cracking or tearing of rubber isolators
Fix: Factory mounts are soft and tear under spirited use. Transmission mount is 2 hours, diff mount is 1.5 hours. Polyurethane upgrades available but increase NVH. Alignment check needed after diff mount replacement.
Estimated cost: $400-800
Fuel System Varnish and Pump Wear
Occasional · medium severity
Typical onset: 70,000-110,000 mi
Symptoms: Extended cranking before start, especially when hot, Hesitation or stumble under hard acceleration, Low fuel pressure codes (P0087), Whining noise from tank area
Fix: Direct injection system accumulates varnish, fuel pumps fail earlier with ethanol fuel. Pump replacement is 3-4 hours (tank drop), injector cleaning or replacement adds significant cost. Fuel filter is integrated into pump assembly, not serviceable separately on most model years.
Estimated cost: $800-2,200
Gallery Gasket Oil Leaks
Occasional · medium severity
Typical onset: 90,000-140,000 mi
Symptoms: Oil drips from rear of engine near bell housing, Low oil level between changes despite no external leaks, Oil seepage visible at engine/transmission junction, Burning oil smell after hard driving
Fix: VQ37 has internal oil gallery gaskets that seep with age. Requires engine out for proper access—16-20 hours labor. Often combined with rear main seal and other gaskets while apart. Not an immediate failure but progressively worsens.
Estimated cost: $2,800-4,200
Owner tips
Change transmission fluid every 30k miles regardless of what manual says—especially critical for 7-speed auto
Use quality synthetic oil (0W-40 or 5W-30) and change every 5k miles to slow timing chain wear
If buying used manual, budget for CSC replacement immediately or upgrade preventively
Avoid extended idling and short trips—VQ37 needs heat cycles to prevent carbon and varnish buildup
Inspect timing chain at 80k miles with borescope or listen carefully for cold-start rattle
Buy a manual transmission example under 70k miles with service records—avoid the 7-speed auto unless you budget for transmission replacement.
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: Battery located in trunk; specific venting required
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Every control module on the 2009-2020 Nissan Fairlady Z — 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.
Electric Power Steering Control Unit (EPS)1.5 hr R&Rdealer / factory tool +0.5 hr▸ programming details
⚠️ Mileage and VIN programming required. Digital display. Cannot transfer mileage without dealer tool.
Intelligent Power Distribution Module (IPDM-E/R)0.8 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Engine bay, passenger side near battery
🔧 Nissan CONSULT-III Plus or Autel/Launch
⚠️ Controls fuel pump, cooling fans, and other high-current loads. Configuration may be needed.
Sonar Control Unit (SONAR)0.6 hr R&Raftermarket tool +0.2 hr▸ programming details
📍 Rear cargo area, driver side trim panel
🔧 Nissan CONSULT-III Plus or aftermarket
⚠️ Optional equipment. Rear parking sensors on Sport/Touring models.
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 2018 Nissan Fairlady Z 3.7L V6 VQ37VHR and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years.