2008-2013 model years · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2008-2013 Infiniti G37 has 23 documented known issues, with 8 rated critical. The most serious are OCS Varistor Defect Suppresses Passenger Airbag (Recall 08V521000) ($0-$0 repair), VVEL Actuator and Control Module Failure Causing Limp Mode ($600-$3,000 repair), Timing Chain Stretch and Guide Wear on VQ37VHR ($1,800-$4,000 repair), Oil Gallery Gasket Leak ($400-$1,200 repair), Electronic Steering Lock Failure ($300-$1,000 repair), Concentric Slave Cylinder Failure (Manual) ($800-$2,000 repair), Crankshaft Position Sensor Failure Causing Hot Stall and No-Start (P0335) ($80-$350 repair) and Cam Cover Gasket Leak Causing Low Oil Pressure ($400-$1,400 repair). Across all issues with published estimates, repair costs range from $60 to $7,000. DIY maintenance guides at au7o.io.
VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
NISSAN IS RECALLING CERTAIN MODEL YEAR 2011 AND 2012 INFINITI G37 COUPE VEHICLES AND CERTAIN MODEL YEAR 2011 NISSAN 370Z VEHICLES MANUFACTURED FROM JULY 2, 2011, THROUGH AUGUST 29, 2011. DUE TO A PROGRAMMING ERROR, THE POWER WINDOW SWITCH CONTROLLER IN THE SUBJECT VEHICLES WAS MANUFACTURED OUT OF SPECIFICATION.
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2008-2013 Infiniti G37 has 23 documented issues. The most frequently reported are: OCS Varistor Defect Suppresses Passenger Airbag (Recall 08V521000), VVEL Actuator and Control Module Failure Causing Limp Mode, Timing Chain Stretch and Guide Wear on VQ37VHR. Of these, 8 are rated critical and should be addressed promptly.
The 2008-2013 Infiniti G37 has 23 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 8 issues are rated critical: OCS Varistor Defect Suppresses Passenger Airbag (Recall 08V521000) and VVEL Actuator and Control Module Failure Causing Limp Mode and Timing Chain Stretch and Guide Wear on VQ37VHR and Oil Gallery Gasket Leak and Electronic Steering Lock Failure and Concentric Slave Cylinder Failure (Manual) and Crankshaft Position Sensor Failure Causing Hot Stall and No-Start (P0335) and Cam Cover Gasket Leak Causing Low Oil Pressure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Repair costs for known Infiniti G37 issues range from $0 to $7,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, OCS Varistor Defect Suppresses Passenger Airbag (Recall 08V521000), typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
Reliability varies across model years of the Infiniti G37. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2008-2013 Infiniti G37 with 23 documented issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports.
A varistor inside the Occupant Classification System control unit in the front passenger seat cushion was manufactured out of specification and can interrupt the signal between the OCS and the airbag control unit. When that signal is lost the airbag control unit suppresses the pa… Repairs typically run $0-$0. Severity: high.
The VQ37VHR uses Variable Valve Event and Lift, a mechanical system on the intake side that varies lift continuously through an actuator motor driving a control shaft, managed by its own control module. When the actuator motor, the control shaft position sensor, or the VVEL modul… Repairs typically run $600-$3,000. Severity: high.
The VQ37VHR runs three timing chains — a primary and two secondaries — with plastic guides and hydraulic tensioners. The chains stretch and the guides wear, and because the tensioners rely on oil pressure to take up slack, any oil pressure loss or extended change interval acceler… Repairs typically run $1,800-$4,000. Severity: high.
The VQ37VHR engine develops oil leaks from the oil gallery gaskets located between the upper and lower oil pans. Oil seeps onto the exhaust, creating a burning smell and potential fire hazard if left unaddressed. Repairs typically run $400-$1,200. Severity: high.
Like the G35, the G37 suffers from electronic steering wheel lock actuator failures that prevent the vehicle from starting. The internal motor in the lock mechanism burns out or the control module loses communication with the BCM. Repairs typically run $300-$1,000. Severity: high.
Manual transmission G37s suffer from premature concentric slave cylinder (CSC) failure. The internal seal degrades, causing clutch fluid to leak into the bell housing and resulting in a soft or sinking clutch pedal. Repairs typically run $800-$2,000. Severity: high.
The crankshaft position sensor mounted on the transmission bell housing of the VQ37VHR is a documented failure point on G37s past about 80k miles. It typically fails when hot: the engine stalls after warm-up or extended driving, cranks without starting until it cools, then restar… Repairs typically run $80-$350. Severity: high.
On pre-2012 VQ37VHR engines the cam cover gaskets fail and leak, and unlike an ordinary valve cover weep this one matters mechanically: the leak path bleeds down oil pressure feeding the top end. Low oil pressure on this engine starves the VVEL assembly and the cam and rod bearin… Repairs typically run $400-$1,400. Severity: high.
The Hitachi coil-on-plug units on the VQ37VHR are a recurring failure item on higher-mileage G37s. Heat and electrical stress cause the coil body to blister or bulge, producing a random or single-cylinder misfire, rough idle and flashing check-engine light. Infiniti's bulletin IT… Repairs typically run $150-$900. Severity: medium.
The dashboard topper material degrades under sustained sun and heat, first going soft and tacky, then developing shiny patches, cracks, and chipping — usually starting at the defroster vents and the instrument binnacle. The degraded surface turns reflective and throws glare onto… Repairs typically run $60-$2,500. Severity: medium.
Early-production VQ37VHR engines consume noticeably more oil than owners expect, and the 2008-2010 build years are the most affected. The consumption is real rather than imagined leakage, driven by ring and cylinder wear characteristics on early blocks, and it is aggravated by ha… Repairs typically run $100-$3,500. Severity: medium.
Water entering the sunroof tray is meant to drain through four tubes routed down the A- and C-pillars. Debris blocks the drain nipples at the tray corners, the tray overflows, and water runs into the headliner and down the pillars into the cabin. Owners report soaked footwell car… Repairs typically run $0-$900. Severity: medium.
A programming error left the power window switch controller with an auto-reverse activation threshold higher than Nissan's specification. The window must encounter more resistance than intended before it reverses, so a hand, arm, or a child's neck caught in a closing window is su… Repairs typically run $0-$0. Severity: medium.
The 7-speed automatic introduced for the 2009 G37 developed a widely reported drivability complaint: a hard clunk on the 2nd-to-1st downshift when coasting to a stop, gear hunting/searching under light throttle, delayed or harsh upshifts when cold, and in some cases stored incorr… Repairs typically run $0-$250. Severity: medium.
The 2009-2013 G37 Convertible's retractable hardtop depends on a trunk-mounted hydraulic pump, multiple cylinders, and a trunk 'separator' (tonneau divider) that must be latched before the top will cycle. Common failures reported across the multi-part 'Convertible Top Issues' thr… Repairs typically run $350-$7,000. Severity: medium.
The FS6R31A 6-speed manual fitted to G37 Sport/6MT cars develops synchro grind, most often on 2nd, 5th and 6th (some report 3rd) during quick upshifts or when skipping gears. It is usually masked when shifting gently and shows up under spirited driving. Early in the car's life In… Repairs typically run $150-$4,500. Severity: medium.
Front hub bearings on the G37 (sedan, coupe and especially the heavier AWD G37x) fail well before most owners expect, typically between 50k and 90k miles. The symptom is a hum or drone above roughly 45-50 mph that changes pitch when the car is loaded in one direction (louder turn… Repairs typically run $200-$700. Severity: medium.
Early G37s develop coolant leaks from the upper radiator hose assembly and its plastic bleeder/connector fittings, which embrittle with age and heat and can split suddenly. Owners report sudden coolant loss and overheating warnings, dried coolant residue around the thermostat hou… Repairs typically run $100-$500. Severity: medium.
The hydraulic power steering circuit on the G37 develops leaks at the high-pressure hose, its crimped hard-line sections and the reservoir-side return hose as the rubber ages. Owners describe fluid coating the underside of the car, a whine from the pump when low, and difficulty p… Repairs typically run $150-$700. Severity: medium.
Separate from the melting dashboard, the painted/soft-touch coating on the steering wheel spokes and rim of 2008-2009 G37s (and 2007-2008 G35 sedans sharing the wheel) peels and chips, often before 50k miles. A 25-plus-page G35Driver thread and multiple MyG37 threads document own… Repairs typically run $150-$900. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
