2004 Hyundai Sonata

2004 Hyundai Sonata

The 2004 Hyundai Sonata is a midsize sedan that comes with a variety of engine and transmission options. The base engine is a 2.4-liter four-cylinder that produces 138 horsepower and 165 lb-ft of torque. For those looking for more power, Hyundai also offers a 2.7-liter V6 that produces 173 horsepower and 184 lb-ft of torque. Both engines are available with either a five-speed manual or four-speed automatic transmission.

Overall, the Hyundai Sonata is a well-received vehicle. Owners appreciate its spacious interior, comfortable ride, and affordable price. However, there are some common issues that have been reported with the 2004 Sonata.

Engine

• 2.4L Engine
  • Timing belt failure: The timing belt is a critical component that if it fails, could cause significant engine damage. Symptoms include a loss of power, a rattling noise from the engine, and a check engine light. The solution is to replace the timing belt and its components, including the tensioner and water pump. Estimated cost to fix: $500 - $1,000
  • Intake manifold gasket failure: This can cause coolant leaks, engine overheating, and poor performance. The solution is to replace the intake manifold gasket. Estimated cost to fix: $200 - $400
• 2.7L Engine
  • Oil consumption: Some owners have reported excessive oil consumption, especially when the engine is driven hard. To fix this issue, the engine may need to be rebuilt or replaced. Estimated cost to fix: $2,000 - $5,000+
  • Engine misfire: This could be caused by faulty spark plugs, ignition coils, or fuel injectors. Symptoms include a rough idle, loss of power, and a check engine light. The solution is to replace the faulty components. Estimated cost to fix: $100 - $500

Transmission

• 5-Speed Manual Transmission
  • Clutch problems: Some owners have reported premature clutch failure. Symptoms include difficulty shifting gears, a grinding noise when shifting, and a check engine light. The solution is to replace the clutch disc, pressure plate, and release bearing. Estimated cost to fix: $500 - $1,000
• 4-Speed Automatic Transmission
  • Transmission slipping: This can be caused by worn clutches or a faulty torque converter. Symptoms include a delay when shifting gears and a loss of power when accelerating. The solution is to rebuild or replace the transmission. Estimated cost to fix: $1,500 - $3,000
  • Shift solenoid failure: This can cause the transmission to shift erratically or not shift at all. Symptoms include difficulty shifting gears, a check engine light, and a transmission warning light. The solution is to replace the shift solenoid. Estimated cost to fix: $200 - $400

Suspension

• Front struts: Some owners have reported premature front strut failure. Symptoms include a rough ride, excessive bouncing, and uneven tire wear. The solution is to replace the front struts and strut mounts. Estimated cost to fix: $300 - $600
• Rear shocks: Premature rear shock failure can cause the rear of the vehicle to bounce excessively and cause a rough ride. The solution is to replace the rear shocks. Estimated cost to fix: $200 - $400

Electrical

• Alternator failure: This can cause the battery to not charge properly, which can lead to a dead battery and a loss of power. Symptoms include dim headlights, a flickering dashboard, and a check engine light. The solution is to replace the alternator. Estimated cost to fix: $300 - $500
• Battery failure: Premature battery failure can leave you stranded. Symptoms include difficulty starting the vehicle, dim headlights, and a check engine light. The solution is to replace the battery. Estimated cost to fix: $100 - $200

Exterior

• Door lock actuator failure: This can cause the door locks to not work properly, which could lead to security concerns. Symptoms include difficulty locking or unlocking the doors, and a check engine light. The solution is to replace the door lock actuator. Estimated cost to fix: $100 - $300

Interior

• Climate control issues: Some owners have reported issues with the climate control system, such as the air conditioner not blowing cold air or the heater not working properly. The solution may require repairing or replacing components of the climate control system, such as the compressor, condenser, or heater core. Estimated cost to fix: $200 - $800
• Cruise control issues: Some owners have reported issues with the cruise control system, such as the cruise control not engaging or disengaging properly. The solution may require repairing or replacing components of the cruise control system, such as the cruise control switch or servo motor. Estimated cost to fix: $100 - $400

Other

• Fuel pump failure: This can cause the engine to stall or hesitate when accelerating. Symptoms include difficulty starting the vehicle, a loss of power, and a check engine light. The solution is to replace the fuel pump. Estimated cost to fix: $300 - $500
• Brake rotor warping: This can cause the brakes to pulsate or vibrate when braking. Symptoms include a pulsation or vibration in the brake pedal, and uneven brake pad wear. The solution is to replace the brake rotors and pads. Estimated cost to fix: $200 - $400

Summary

Overall, the 2004 Hyundai Sonata is a reliable vehicle, but it is not immune to issues. Some of the more common issues are related to the engine, transmission, and suspension. However, the cost of these repairs is generally not excessive.