2004 INFINITI G35
The 2004 INFINITI G35 is a sporty and stylish entry-level luxury car that came in both coupe and sedan forms. It’s praised for its performance, handling, and attractive design. It was powered by a 3.5-liter V6 engine, designated as the VQ35DE, producing approximately 260 horsepower and 260 lb-ft of torque in the sedan, and 280 horsepower and 270 lb-ft of torque in the coupe. The sedan was available with either a 5-speed automatic or a 6-speed manual transmission, while the coupe offered either a 5-speed automatic or a 6-speed manual. Some common complaints include issues with oil consumption, suspension components wearing out, and certain electrical problems. Many owners appreciate the G35 for its engaging driving experience and relatively affordable price point on the used market. Some dislikes include the sometimes harsh ride and the cost of maintaining a luxury vehicle.
Engine
VQ35DE 3.5L V6
- Excessive Oil Consumption
- Description/Symptoms: Many owners report higher than expected oil consumption, sometimes requiring a quart of oil to be added every 1,000 miles or less. Blue smoke from the exhaust can be a symptom.
- Solution: In some cases, replacing the valve stem seals can help. In more severe cases, the piston rings may need replacement or an engine rebuild.
- Estimated Cost to Fix: $500 - $2000+
- Recalls: None Found
- Camshaft Position Sensor Failure
- Description/Symptoms: Engine stalling, rough idling, and a check engine light. Diagnostic codes P0340 and P0345 are often associated with this issue.
- Solution: Replacing the faulty camshaft position sensor(s).
- Estimated Cost to Fix: $100 - $300
- Recalls: None Found
- Crankshaft Position Sensor Failure
- Description/Symptoms: Engine stalling, difficulty starting, and a check engine light. Diagnostic code P0335 is often associated with this issue.
- Solution: Replacing the faulty crankshaft position sensor.
- Estimated Cost to Fix: $100 - $300
- Recalls: None Found
Transmission
5-Speed Automatic
- Torque Converter Issues
- Description/Symptoms: Shuddering during acceleration, especially at lower speeds. Can also manifest as slipping between gears.
- Solution: Replacing the torque converter. Flushing the transmission fluid might provide temporary relief, but it’s often a sign of impending failure.
- Estimated Cost to Fix: $800 - $2000+
- Recalls: None Found
- Valve Body Issues
- Description/Symptoms: Harsh or erratic shifting, delayed engagement, and difficulty shifting into certain gears.
- Solution: Replacing or rebuilding the valve body.
- Estimated Cost to Fix: $500 - $1500+
- Recalls: None Found
6-Speed Manual
- Clutch Failure
- Description/Symptoms: Slipping clutch, difficulty shifting, and unusual noises during clutch engagement/disengagement.
- Solution: Replacing the clutch disc, pressure plate, and throwout bearing. Resurfacing the flywheel is also recommended.
- Estimated Cost to Fix: $800 - $1800+
- Recalls: None Found
Suspension
- Worn Bushings
- Description/Symptoms: Clunking noises from the suspension, particularly when going over bumps. Reduced handling precision and increased tire wear. The front lower control arm bushings are a common point of failure.
- Solution: Replacing the worn bushings. In some cases, it may be more cost-effective to replace the entire control arm assembly.
- Estimated Cost to Fix: $200 - $800+ per corner
- Recalls: None Found
- Strut/Shock Absorber Failure
- Description/Symptoms: Bouncy ride, excessive body roll, and reduced handling performance. Leaking fluid from the strut/shock is a visual indicator of failure.
- Solution: Replacing the worn struts/shocks. Replacing them in pairs (front or rear) is recommended.
- Estimated Cost to Fix: $300 - $1000+ per pair
- Recalls: None Found
Electrical
- Window Motor Failure
- Description/Symptoms: Window not moving up or down, or moving very slowly.
- Solution: Replacing the window motor.
- Estimated Cost to Fix: $150 - $400
- Recalls: None Found
- Door Lock Actuator Failure
- Description/Symptoms: Door not locking or unlocking with the key fob or interior switch.
- Solution: Replacing the door lock actuator.
- Estimated Cost to Fix: $150 - $400
- Recalls: None Found
- Sunroof Motor Failure
- Description/Symptoms: Sunroof not opening or closing, or only operating intermittently.
- Solution: Replacing the sunroof motor.
- Estimated Cost to Fix: $200 - $500
- Recalls: None Found
Exterior
- Headlight Condensation
- Description/Symptoms: Moisture buildup inside the headlight housing.
- Solution: Removing the headlight assembly and drying it out, resealing the seams, or replacing the entire headlight assembly.
- Estimated Cost to Fix: $50 - $500+
- Recalls: None Found
Interior
- Center Console Lid Latch Failure
- Description/Symptoms: The center console lid latch breaks, preventing the lid from staying closed.
- Solution: Replacing the latch or the entire center console lid.
- Estimated Cost to Fix: $20 - $200+
- Recalls: None Found
- Navigation Screen Failure (If Equipped)
- Description/Symptoms: The navigation screen failing to power on, displaying distorted images, or becoming unresponsive.
- Solution: Replacing the navigation unit or having it repaired by a specialist.
- Estimated Cost to Fix: $300 - $1000+
- Recalls: None Found
Summary
The 2004 INFINITI G35, while a fun and sporty vehicle, has its share of common issues. The most concerning issues are the potential for excessive oil consumption and transmission problems in the automatic versions, which can be expensive to repair. Suspension component wear is also common, leading to increased maintenance costs. While the electrical and interior issues are generally less severe, they can still be frustrating. Potential buyers should be aware of these potential problems and budget accordingly for repairs and maintenance. A thorough pre-purchase inspection is highly recommended.