2015 INFINITI QX70

Introduction:

The 2015 INFINITI QX70 is a mid-size luxury crossover SUV. It was 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 369 lb-ft of torque. Transmission options included a 7-speed automatic transmission for both the V6 and V8 engines.

Owners generally appreciate the QX70’s stylish exterior, comfortable interior, and responsive handling. However, some have reported issues with the vehicle’s reliability.

Engine

3.7-liter V6 Engine

• Intake Valve Carbon Buildup:
  • Description/Symptoms: Excessive carbon buildup on the intake valves can lead to reduced engine performance, rough idling, and increased fuel consumption.
  • Solution: Intake valve cleaning is required.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found
• Timing Chain Tensioner Failure:
  • Description/Symptoms: A faulty timing chain tensioner can cause the timing chain to slip, leading to engine damage. Symptoms include a rattling noise from the engine, poor engine performance, and a check engine light.
  • Solution: Replacement of the timing chain tensioner and timing chain.
  • Estimated Cost to Fix: $2,000 - $3,000+
  • Recalls: None Found

5.0-liter V8 Engine

• No Issues Found

Transmission

7-Speed Automatic Transmission

• Torque Converter Shudder:
  • Description/Symptoms: A shuddering or vibration felt during acceleration or gear changes can indicate a problem with the torque converter.
  • Solution: Replacement of the torque converter assembly.
  • Estimated Cost to Fix: $2,000 - $3,000+
  • Recalls: None Found

Suspension

• Air Suspension Compressor Failure:
  • Description/Symptoms: The air suspension compressor may fail, causing the vehicle to sag on one or more corners.
  • Solution: Replacement of the air suspension compressor.
  • Estimated Cost to Fix: $1,500 - $2,000+
  • Recalls: None Found

Electrical

• Battery Drain:
  • Description/Symptoms: A parasitic battery drain can lead to a dead battery.
  • Solution: Tracing and isolating the source of the drain. Repairs may involve replacing faulty components or electrical wiring.
  • Estimated Cost to Fix: $200 - $500+
  • Recalls: None Found
• Headlight Failure:
  • Description/Symptoms: One or both headlights may fail to operate properly.
  • Solution: Replacement of the headlight assembly or electrical components.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Exterior

• Tailgate Latch Failure:
  • Description/Symptoms: The tailgate latch may fail, preventing the tailgate from closing securely.
  • Solution: Replacement of the tailgate latch assembly.
  • Estimated Cost to Fix: $300 - $500+
  • Recalls: None Found

Interior

No non-leather interior issues found.

Summary:

The 2015 INFINITI QX70 has several reported issues, including engine intake valve carbon buildup, timing chain tensioner failure, suspension air compressor failure, and electrical problems. The severity of these issues can vary, and the cost to repair them can be significant. It’s important to consider these potential issues when choosing a used QX70.