The 2014 Fairlady Z (370Z) with the VQ37VHR is a solid sports car platform, but it has notorious timing chain and transmission mount issues that tend to surface in the 60,000-100,000 mile range. Address these proactively and you'll have a reliable driver; ignore them and you risk catastrophic engine damage.
Timing Chain/Guide/Tensioner Failure (VQ37VHR)
Common · high severityTypical onset: 60,000-100,000 mi
Symptoms: Cold-start rattle lasting 3-5 seconds (classic early warning), Check engine light with timing correlation codes (P0011, P0021), Metal shavings in oil, reduced oil pressure, Catastrophic failure: bent valves, destroyed pistons if chain jumps
Fix: Replace timing chains (primary and secondary), guides, tensioners, and oil gallery gaskets. Engine-out or front subframe drop for proper access. 18-24 labor hours. This is the platform's Achilles heel—do NOT defer this repair once rattle starts.
Estimated cost: $3,500-5,500
Transmission Mount Failure
Common · medium severityTypical onset: 50,000-80,000 mi
Symptoms: Clunking on hard shifts or throttle lift, Excessive drivetrain movement felt through cabin, Vibration at idle in gear, Shifter slop or vague engagement (manual trans)
Fix: Replace transmission mount. Requires dropping exhaust and supporting trans on jack. 2-3 labor hours. OEM rubber mounts fail early; consider polyurethane upgrade for longevity.
Estimated cost: $400-700
Transmission Oil Cooler Line Leaks (7AT)
Occasional · medium severityTypical onset: 70,000-120,000 mi
Symptoms: Red ATF pooling under front of car, Transmission running hot (260°F+ on gauge), Slipping or delayed shifts when hot, Burnt ATF smell
Fix: Replace cooler lines and fittings, often at radiator connection points. Sometimes requires radiator removal for access. 3-5 labor hours. Flush and refill with Matic-S fluid.
Estimated cost: $600-1,200
Valve Cover and Gallery Gasket Leaks
Common · low severityTypical onset: 80,000-120,000 mi
Symptoms: Oil seepage at back of valve covers (driver side worse), Burning oil smell from exhaust manifold heat, Oil consumption between changes (0.5-1 qt per 3,000 mi), Visible oil residue on bellhousing
Fix: Replace valve cover gaskets and oil gallery gaskets. Upper plenum removal required for access. 6-8 labor hours. Often done during timing chain job to save redundant labor.
Estimated cost: $800-1,400
Fuel Damper/Fuel System Issues
Occasional · medium severityTypical onset: 90,000-140,000 mi
Symptoms: Fuel smell in cabin or near engine bay, Hard start when hot, Fuel pressure drop on scanner (below 50 psi at idle), Rough idle, hesitation under load
Fix: Replace fuel damper (common leak point on VQ engines) and inspect all rubber fuel lines. Sometimes requires fuel rail removal. 2-4 labor hours. Cheap part, but labor-intensive due to tight engine bay.
Estimated cost: $400-800
Clutch Slave Cylinder Failure (Manual Trans)
Occasional · medium severityTypical onset: 40,000-80,000 mi
Symptoms: Clutch pedal stays on floor or feels spongy, Difficulty getting into gear, Fluid leak at bellhousing (visible from underneath), Grinding on engagement
Fix: Replace concentric slave cylinder (CSC). Requires transmission removal. 8-10 labor hours. OEM part fails repeatedly—aftermarket HD units recommended. Do clutch at same time if over 60k miles.
Estimated cost: $1,200-2,000 (CSC only), $2,500-3,500 (with clutch)
Buy it if timing chains have been done or budget for them immediately—otherwise you're gambling with a grenade. Manual trans models are more reliable than 7AT long-term.
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.