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2008 INFINITI QX56

About the 2008 INFINITI QX56

The 2008 INFINITI QX56 is a full-size luxury SUV that was first introduced in 2004. It is based on the Nissan Armada and is powered by a 5.6-liter V8 engine. The QX56 is offered in both rear-wheel-drive and four-wheel-drive configurations and comes standard with a 7-speed automatic transmission.

Engine

5.6-liter V8 (320 hp, 398 lb-ft)

  • Timing Chain Guide Failure: The timing chain guide can prematurely wear out, leading to a rattling noise from the engine. The solution is to replace the timing chain guide and tensioner, which costs approximately $1,000 - $2,000+.
  • Intake Manifold Gasket Leak: The intake manifold gasket can fail, causing a vacuum leak. This can lead to a decrease in engine power and fuel economy. The solution is to replace the intake manifold gasket, which costs approximately $500 - $1,000+.
  • Valve Body Failure: The valve body in the transmission can fail, causing shifting problems. The solution is to replace the valve body, which costs approximately $1,500 - $2,500+.

Recalls:

  • NHTSA Campaign Number: 10V262000: Fuel Tank Deformation
  • NHTSA Campaign Number: 10V567000: Squib Assembly Concerns

Transmission

7-Speed Automatic

  • Torque Converter Shudder: The torque converter can shudder during acceleration. The solution is to replace the torque converter, which costs approximately $2,000 - $3,000+.
  • Transmission Fluid Leak: The transmission fluid pan gasket can fail, causing a fluid leak. The solution is to replace the transmission fluid pan gasket, which costs approximately $100 - $200+.

Suspension

  • Front Lower Control Arm Bushing Wear: The front lower control arm bushings can prematurely wear out, causing a clunking noise from the front end. The solution is to replace the lower control arms, which costs approximately $300 - $500+ per side.

Electrical

  • Alternator Failure: The alternator can fail, causing electrical problems. The solution is to replace the alternator, which costs approximately $500 - $1,000+.
  • Battery Drain: The battery can drain prematurely due to a faulty electrical component. The solution is to track down and repair or replace the faulty component, which can vary in cost depending on the component.
  • Dashboard Warning Light Issues: The dashboard warning lights can malfunction, causing them to illuminate even when there is no actual problem. The solution is to replace the faulty warning light, which costs approximately $100 - $200+ per light.

Exterior

  • Chrome Trim Peeling: The chrome trim on the exterior of the vehicle can peel or become discolored. The solution is to replace the trim, which costs approximately $200 - $400+ per piece.

Interior

  • Navigation System Failure: The navigation system can experience software glitches or hardware problems. The solution is to update the software or replace the navigation system, which costs approximately $500 - $1,500+.
  • Heater Core Failure: The heater core can fail, causing a lack of heat in the cabin. The solution is to replace the heater core, which costs approximately $500 - $1,000+.
  • Sunroof Malfunction: The sunroof can malfunction, causing it to open or close improperly. The solution is to repair or replace the sunroof mechanism, which costs approximately $500 - $1,500+.

Summary

The 2008 INFINITI QX56 is a reliable SUV overall, but it does have some potential issues. The most severe and expensive issue is the timing chain guide failure, which can lead to engine damage if not repaired quickly. Other issues, such as the transmission fluid leak and chrome trim peeling, are less severe and less expensive to fix. Overall, the severity of the issues is moderate, and the cost of repairs is relatively low.

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