2017 INFINITI QX70

Vehicle Overview

The 2017 INFINITI QX70 is a mid-size luxury crossover SUV. It’s offered with two engine options: a 3.7-liter V6 engine with 325 horsepower and 267 lb-ft of torque, and a 5.0-liter V8 engine with 390 horsepower and 376 lb-ft of torque. Both engines are paired with a 7-speed automatic transmission. The QX70 is known for its stylish design, comfortable interior, and powerful engines. However, it has also been plagued by several issues.

Engine

3.7L V6

• Intake Valve Carbon Buildup
  • Description/Symptoms: Carbon deposits build up on the intake valves, reducing airflow and engine performance. Symptoms include loss of power, hesitation during acceleration, and rough idle.
  • Solution: Remove the intake manifold and clean the intake valves.
  • Estimated Cost to Fix: $300 - $500
  • Recalls: None Found
• Timing Chain Noise
  • Description/Symptoms: The timing chain can stretch or break, causing a rattling or whining noise. This can lead to engine damage if not repaired.
  • Solution: Replace the timing chain and tensioners.
  • Estimated Cost to Fix: $1,000 - $2,000
  • Recalls: None Found

5.0L V8

• No Significant Issues Found

Transmission

7-Speed Automatic

• Shifting Problems
  • Description/Symptoms: The transmission may shift erratically, hesitate to shift, or slip out of gear.
  • Solution: Replace the transmission fluid, filter, and solenoids. In severe cases, the transmission may need to be rebuilt or replaced.
  • Estimated Cost to Fix: $500 - $3,000+
  • Recalls: None Found

Suspension

• Front Strut Mount Failure
  • Description/Symptoms: The front strut mounts can fail, causing a clunking noise and reduced handling.
  • Solution: Replace the strut mounts.
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found

Electrical

• Battery Drain
  • Description/Symptoms: The battery drains quickly, even when the vehicle is not in use. This can be caused by a faulty electrical component or a parasitic draw.
  • Solution: Diagnose and repair the underlying electrical issue.
  • Estimated Cost to Fix: Varies depending on the cause of the battery drain
  • Recalls: None Found
• Infotainment System Issues
  • Description/Symptoms: The infotainment system may freeze, reboot, or lose functionality.
  • Solution: Update the software or replace the infotainment module.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Exterior

• Door Lock Actuator Failure
  • Description/Symptoms: The door lock actuators may fail, preventing the doors from locking or unlocking.
  • Solution: Replace the door lock actuators.
  • Estimated Cost to Fix: $200 - $400 per door
  • Recalls: None Found
• Rear Hatch Strut Failure
  • Description/Symptoms: The rear hatch struts may fail, causing the hatch to drop or close unexpectedly.
  • Solution: Replace the rear hatch struts.
  • Estimated Cost to Fix: $100 - $200
  • Recalls: None Found

Interior

• Sunroof Rattle
  • Description/Symptoms: The sunroof may rattle or creak when open or closed.
  • Solution: Lubricate the sunroof channel and tracks. In severe cases, the sunroof may need to be replaced.
  • Estimated Cost to Fix: $100 - $500
  • Recalls: None Found
• Climate Control Issues
  • Description/Symptoms: The climate control system may blow cold air, not adjust the temperature properly, or fail to turn on.
  • Solution: Repair or replace the climate control module or actuators.
  • Estimated Cost to Fix: $500 - $1,000
  • Recalls: None Found

Summary

The 2017 INFINITI QX70 is a stylish and powerful SUV, but it has been plagued by several issues. The most common problems are related to the engine, transmission, and electrical system. The severity and cost of these issues vary, but some can be quite expensive to repair. It’s important to consider these potential issues before purchasing a used QX70.