2003 Hyundai XG350

The 2003 Hyundai XG350 is a full-size sedan offering comfortable ride and a spacious interior, often praised for its value proposition. It comes equipped with a 3.5L V6 engine that produces 194 horsepower and 216 lb-ft of torque, paired with a 5-speed automatic transmission. Some common complaints revolve around its fuel economy and somewhat bland styling.

Engine

3.5L V6 (G6AU)

• Timing Belt Failure
  • Description/Symptoms: The timing belt is prone to failure if not replaced at the recommended interval (typically every 60,000 miles). Failure can cause catastrophic engine damage, including bent valves and damaged pistons. Symptoms include rough running, misfires, and eventually, complete engine failure.
  • Solution: Regular replacement of the timing belt, tensioner, and water pump at the manufacturer’s recommended interval.
  • Estimated Cost to Fix: $500 - $1200+ (depending on the extent of engine damage if the belt breaks)
  • Recalls: None Found
• Valve Cover Gasket Leaks
  • Description/Symptoms: Oil leaks from the valve cover gaskets are common. Symptoms include visible oil leaks around the valve covers, burning oil smell, and low oil levels.
  • Solution: Replacement of the valve cover gaskets.
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found

Transmission

5-Speed Automatic (A5GF1)

• Shift Problems
  • Description/Symptoms: Slipping between gears, harsh shifting, and failure to shift into certain gears.
  • Solution: In some cases, a fluid flush and filter change can resolve minor issues. More severe cases may require a transmission rebuild or replacement.
  • Estimated Cost to Fix: $150 (fluid flush) to $2500+ (rebuild or replacement)
  • Recalls: None Found

Suspension

• Strut Mount Failure
  • Description/Symptoms: Noises such as clunking or popping sounds coming from the front or rear suspension, especially when going over bumps. Reduced ride comfort and handling.
  • Solution: Replacement of the strut mounts.
  • Estimated Cost to Fix: $200 - $400 per strut (including labor)
  • Recalls: None Found
• Sway Bar Link Failure
  • Description/Symptoms: Rattling noises coming from the suspension, especially when driving over uneven surfaces or turning. Reduced handling stability.
  • Solution: Replacement of the sway bar links.
  • Estimated Cost to Fix: $100 - $200 per link (including labor)
  • Recalls: None Found

Electrical

• Power Window Motor Failure
  • Description/Symptoms: Power windows failing to operate, or operating slowly and intermittently.
  • Solution: Replacement of the faulty power window motor.
  • Estimated Cost to Fix: $150 - $300 per window
  • Recalls: None Found
• Blower Motor Resistor Failure
  • Description/Symptoms: Loss of one or more fan speeds for the heating and air conditioning system.
  • Solution: Replacement of the blower motor resistor.
  • Estimated Cost to Fix: $50 - $150
  • Recalls: None Found

Exterior

• Rust (Depending on Location/Climate)
  • Description/Symptoms: Rust forming on body panels, particularly around wheel wells, rocker panels, and door edges, especially in areas with road salt.
  • Solution: Rust repair, which may involve sanding, patching, and repainting. Prevention through regular washing and waxing.
  • Estimated Cost to Fix: $200+ per affected area (depending on severity)
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, getting stuck, or leaking.
  • Solution: Diagnosis of the specific issue (motor, tracks, seals). Repairs may involve cleaning, lubrication, or component replacement.
  • Estimated Cost to Fix: $100 - $500+ (depending on the issue)
  • Recalls: None Found
• Driver/Passenger door lock actuator failing
  • Description/Symptoms: Door lock button not properly locking or unlocking the door on the driver or passenger side. Possible clicking sound.
  • Solution: Replacement of the door lock actuator.
  • Estimated Cost to Fix: $150 - $300
  • Recalls: None Found

Summary

The 2003 Hyundai XG350, while generally reliable, exhibits some common issues mostly related to age and regular maintenance. The most serious concerns are timing belt failure, which can lead to major engine damage. Other issues like valve cover gasket leaks, suspension wear, and electrical problems are fairly typical for a vehicle of this age. The cost to repair these issues can vary widely, but addressing them promptly can help to maintain the vehicle’s reliability and longevity. The rust issues are heavily dependent on the climate the vehicle is in.