2003-2007 model years · 0+ owner reports · Updated April 2026
According to Au7o's analysis of 0+ owner reports, the 2003-2007 Infiniti G35 has 3 documented known issues, with 1 rated critical. The most serious is Steering Wheel Lock Malfunction ($300-$900 repair). Across all issues, repair costs range from $150 to $3,000. DIY maintenance guides at au7o.io.
On the 2003-2007 Infiniti G35, the electronic steering wheel lock mechanism can malfunction, preventing the car from starting or causing intermittent no-start conditions. The steering lock actuator motor fails internally, triggering a security fault.
Replace the steering lock actuator or have the dealer reprogram the BCM. Some owners bypass the lock mechanism entirely, though this may affect resale value. A TSB was issued for certain model years.
On the 2003-2007 Infiniti G35, the VQ35DE engine in the G35 is known to consume excessive oil, sometimes burning 1 quart every 1,000-2,000 miles. This is typically caused by worn valve stem seals and piston rings that allow oil to enter the combustion chamber.
Replace valve stem seals and inspect piston rings. In severe cases, a short block replacement may be necessary. Use manufacturer-recommended 5W-30 oil and monitor consumption between changes.
On the 2003-2007 Infiniti G35, the power window regulators in the G35 are prone to failure, causing windows to fall into the door or operate slowly. The plastic guide clips and cable mechanism wear out, especially in hot climates.
Replace the window regulator assembly. Aftermarket regulators are available at lower cost than OEM. The repair involves removing the door panel and disconnecting the window motor.
AIR BAGS
NISSAN IS RECALLING 204,361 MY 2007-2008 ALTIMA, ALTIMA HYBRID, 350Z, 350Z ROADSTER, MY 2008 ALTIMA COUPE, ROGUE, MY 2009 MURANO, AND INFINITI MY 2007-2008 G35 SEDAN, MY 2008 G37 COUPE AND EX35 PASSENGER VEHICLES EQUIPPED WITH CONTINENTAL AUTOMOTIVE SYSTEMS' OCCUPANT CLASSIFICATION SYSTEM (OCS) CONTROL UNITS. A VARISTOR IN THE OCS CONTROL UNIT LOCATED IN THE PASSENGER SEAT CUSHION MAY HAVE BEEN MANUFACTURED OUT OF SPECIFICATION. UNDER CERTAIN CONDITIONS, THIS COULD CAUSE AN INTERRUPTION OF SIGNAL BETWEEN THE OCS AND THE AIR BAG CONTROL UNIT (ACU).
AIR BAGS
NISSAN IS RECALLING CERTAIN MODEL YEAR 2005 THROUGH 2007 INFINITI G35 SEDANS MANUFACTURED FROM MARCH 29, 2004 THROUGH AUGUST 25, 2006 AND INFINITI G35 COUPES MANUFACTURED FROM APRIL 1, 2004 THROUGH MAY 30, 2007. THE WIRE HARNESS CONNECTING THE BELT TENSION SENSOR (BTS) AND THE OCCUPANT DETECTION SENSOR (ODS) CONTROL UNIT UNDER THE FRONT PASSENGER SEAT CAN EXPERIENCE RELATIVE MOVEMENT WHICH CAN CAUSE WEAR AND OXIDIZATION OF THE TERMINALS AND MAY CAUSE INTERRUPTION OF THE SIGNAL.
EXTERIOR LIGHTING:HEADLIGHTS
CERTAIN VEHICLES FAIL TO COMPLY WITH THE "VERTICAL GRADIENT" AND "HEADLAMP PHOTOMETRIC VALUES" REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, 'LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT.'
POWER TRAIN:CLUTCH ASSEMBLY
ZF SERVICE IS RECALL CERTAIN CLUTCH KIT ASSEMBLIES, PART NUMBER SX: K70358-01, SHIPPED TO WHOLESALERS AS SERVICE PARTS BETWEEN SEPTEMBER 1, 2010, AND MARCH 8, 2011. THESE SERVICE PARTS ARE INTENDED FOR USE ON MODEL YEAR 2003-2006 NISSAN 350Z AND INFINITI G35 VEHICLES. THE SX: K70358-01 CLUTCH KIT CONTAINS AN OVERSIZED CLUTCH DISC.
EXTERIOR LIGHTING
CERTAIN AAI MOTORSPORTS COMBINATION LAMPS SOLD AS REPLACEMENT LAMPS FOR USE ON THE ABOVE LIST PASSENGER VEHICLES. COMBINATION LAMPS NOT EQUIPPED WITH AMBER SIDE REFLECTORS FAIL TO CONFORM WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 108, "LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT."
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According to Au7o's analysis of 0+ owner reports, the 2003-2007 Infiniti G35 has 3 documented issues. The most frequently reported are: Steering Wheel Lock Malfunction, VQ35DE Oil Consumption, Power Window Regulator Failure. Of these, 1 is rated critical and should be addressed promptly.
The 2003-2007 Infiniti G35 has 3 known issues documented across 0+ owner reports. 1 issue is rated critical: Steering Wheel Lock Malfunction. 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 G35 issues range from $150 to $3,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Steering Wheel Lock Malfunction, typically costs $300-$900 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
Reliability varies across model years of the Infiniti G35. Based on owner reports, issues 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 2003-2007 Infiniti G35 with 3 documented issues from 0+ owner reports.
The electronic steering wheel lock mechanism can malfunction, preventing the car from starting or causing intermittent no-start conditions. The steering lock actuator motor fails internally, triggering a security fault. Repairs typically run $300-$900. Severity: high.
The VQ35DE engine in the G35 is known to consume excessive oil, sometimes burning 1 quart every 1,000-2,000 miles. This is typically caused by worn valve stem seals and piston rings that allow oil to enter the combustion chamber. Repairs typically run $800-$3,000. Severity: medium.
The power window regulators in the G35 are prone to failure, causing windows to fall into the door or operate slowly. The plastic guide clips and cable mechanism wear out, especially in hot climates. Repairs typically run $150-$400. 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.
