The Infiniti QX80 rivals luxury SUVs like the Lexus LX and Cadillac Escalade with its power, spacious interior, and smooth ride. To maximize its lifespan and protect your investment, proper maintenance and early problem detection are crucial.

Common Issues (2014-2020 Models):

• Timing chain failures ($4,000+ repairs)
• Fuel system leaks
• Electrical problems (battery drain, dashboard lighting)
• Automatic Emergency Braking system malfunctions
• Suspension and structural defects

Essential Maintenance Schedule:

• Oil changes: Every 7,500 miles (synthetic oil)
• Tire rotation: Every 5,000-7,500 miles
• Brake inspection: Every 15,000 miles
• Brake fluid: Replace every 30,000 miles
• Transmission fluid: Inspect every 60,000 miles
• Coolant: Replace every 30,000 miles

Warning Signs to Watch For:

Engine:

• Rough idling
• Unusual noises
• Excessive smoke
• Decreased power

Electrical:

• Dashboard warning lights
• Battery issues
• Flickering lights
• Electrical glitches

Suspension:

• Knocking sounds
• Uneven tire wear
• Excessive body roll
• Vehicle pulling to one side

Potential Repair Costs:

• Battery Cable Replacement: $1,576–$1,607
• Sunroof Motor Replacement: $1,178–$1,229
• Exhaust Manifold Replacement: $2,644–$2,813
• Backup Sensor Replacement: $1,999–$2,017

Regular maintenance and prompt attention to warning signs will help maintain performance, reduce repair costs, and preserve resale value. Consider an extended warranty for additional protection against expensive repairs.

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