2011 INFINITI M37
Introduction:
The 2011 INFINITI M37 is a luxury sedan that offers a refined interior, a powerful V6 engine, and a smooth ride. It comes with a standard 3.7-liter V6 engine that produces 330 horsepower and 270 lb-ft of torque. The M37 is paired with a 7-speed automatic transmission and is available in both rear-wheel and all-wheel drive. While it is praised for its comfortable ride and spacious interior, some owners have experienced certain issues with the vehicle.
Engine
3.7-liter V6
- Intake manifold plenum cracking
- Description/Symptoms: The plastic intake manifold plenum can crack, causing a vacuum leak and leading to reduced engine power, rough idling, and illuminated check engine light.
- Solution: Replacing the intake manifold plenum.
- Estimated Cost to Fix: $500 - $1,000+
- Recalls: None Found
- Timing chain noise
- Description/Symptoms: Excessive noise from the timing chain, especially upon startup.
- Solution: Replacing the timing chain and tensioners.
- Estimated Cost to Fix: $1,500 - $2,500+
- Recalls: None Found
- Oil cooler failure
- Description/Symptoms: The oil cooler can fail, leading to engine overheating and loss of oil pressure.
- Solution: Replacing the oil cooler.
- Estimated Cost to Fix: $1,000 - $1,500+
- Recalls: None Found
- Intake manifold plenum cracking
Transmission
7-speed Automatic
- Harsh shifting
- Description/Symptoms: The transmission may exhibit harsh shifts, especially when upshifting or downshifting.
- Solution: Updating the transmission software or replacing the transmission fluid and filter.
- Estimated Cost to Fix: $100 - $500
- Recalls: None Found
- Slipping gears
- Description/Symptoms: The transmission may slip gears, resulting in loss of power and difficulty accelerating.
- Solution: Replacing the transmission.
- Estimated Cost to Fix: $4,000 - $6,000+
- Recalls: None Found
- Harsh shifting
Suspension
- Front lower control arm bushings failing
- Description/Symptoms: The front lower control arm bushings can fail prematurely, causing clunking noises, poor handling, and excessive tire wear.
- Solution: Replacing the front lower control arms and bushings.
- Estimated Cost to Fix: $500 - $1,000+
- Recalls: None Found
Electrical
- Battery drain
- Description/Symptoms: The battery may drain prematurely, leading to difficulty starting the vehicle.
- Solution: Replacing the battery or diagnosing and fixing underlying electrical issues.
- Estimated Cost to Fix: $100 - $500+
- Recalls: None Found
- HID headlight failure
- Description/Symptoms: The HID headlights may fail, resulting in reduced visibility while driving at night.
- Solution: Replacing the HID bulbs or ballast.
- Estimated Cost to Fix: $500 - $1,000+
- Recalls: None Found
Exterior
- No Issues Found
Interior
- Instrument cluster flickering
- Description/Symptoms: The instrument cluster may flicker or become inoperable.
- Solution: Replacing the instrument cluster.
- Estimated Cost to Fix: $500 - $1,000+
- Recalls: None Found
Summary:
Overall, while the 2011 INFINITI M37 is a comfortable and powerful luxury sedan, it has been reported to have some issues that can vary in severity and cost. Engine issues, such as intake manifold plenum cracking and timing chain noise, are among the more serious and expensive ones. Transmission problems, such as harsh shifting and slipping gears, can also be costly. Additionally, electrical issues such as battery drain and HID headlight failure can be inconvenient and require professional diagnosis and repair. Owners should be aware of these potential issues and factor them into their vehicle ownership experience and maintenance costs.