2002 Audi S3

The 2002 Audi S3 (8L Chassis) is a sporty, turbocharged hot hatch known for its quattro all-wheel-drive system and nimble handling. In 2002, the S3 was primarily equipped with a 1.8-liter turbocharged inline-4 engine (different variations, mostly the BAM engine code) producing around 225 horsepower and 207 lb-ft of torque. A 6-speed manual transmission was the only transmission option. Owners generally appreciate the S3’s performance, compact size, and distinctive styling. Common complaints often revolve around maintenance costs, the age of the vehicle leading to increased component failures, and the complexity of the turbocharged engine.

Engine

1.8T (BAM)

• Coil Pack Failure
  • Description/Symptoms: Misfires, rough running engine, check engine light.
  • Solution: Replace faulty coil pack(s). Consider replacing all coil packs simultaneously as a preventative measure.
  • Estimated Cost to Fix: $50 - $150 per coil pack.
  • Recalls: None Found
• Diverter Valve Failure
  • Description/Symptoms: Loss of boost, reduced power, whistling sound from the turbocharger.
  • Solution: Replace the diverter valve. Upgraded aftermarket diverter valves are a common choice for improved reliability.
  • Estimated Cost to Fix: $50 - $200
  • Recalls: None Found
• Vacuum Leaks
  • Description/Symptoms: Poor idle, hesitation during acceleration, boost leaks, check engine light (often with lean codes).
  • Solution: Inspect all vacuum lines and hoses for cracks or leaks. Replace any damaged hoses. Common culprits include the PCV system hoses and the boost hoses.
  • Estimated Cost to Fix: $20 - $100+ depending on the specific hose and labor.
  • Recalls: None Found
• Turbocharger Failure
  • Description/Symptoms: Whining or screeching noise from the turbocharger, loss of power, excessive oil consumption, blue smoke from the exhaust.
  • Solution: Replace the turbocharger. Consider upgrading to a performance turbocharger for increased power and reliability.
  • Estimated Cost to Fix: $800 - $2500+ depending on turbocharger type and labor.
  • Recalls: None Found
• Coolant Temperature Sensor Failure
  • Description/Symptoms: Erratic temperature gauge readings, poor fuel economy, difficulty starting, check engine light.
  • Solution: Replace the coolant temperature sensor.
  • Estimated Cost to Fix: $20 - $100
  • Recalls: None Found
• Timing Belt Tensioner Failure
  • Description/Symptoms: Noise from engine, potential for catastrophic engine damage if the timing belt slips or breaks.
  • Solution: Replace the timing belt, tensioner, and water pump as a preventative measure, typically every 60,000-80,000 miles.
  • Estimated Cost to Fix: $400 - $800
  • Recalls: None Found

Transmission

6-Speed Manual

• Synchro Wear (Specifically 2nd Gear)
  • Description/Symptoms: Grinding or difficulty shifting into 2nd gear, especially when cold.
  • Solution: Transmission rebuild or replacement. Replacing the synchros during a rebuild is the preferred method.
  • Estimated Cost to Fix: $1500 - $3000+
  • Recalls: None Found
• Clutch Failure
  • Description/Symptoms: Slipping clutch, difficulty shifting, high clutch pedal engagement point.
  • Solution: Replace the clutch disc, pressure plate, and throwout bearing. Consider replacing the flywheel at the same time.
  • Estimated Cost to Fix: $600 - $1500+
  • Recalls: None Found

Suspension

• Control Arm Bushing Failure
  • Description/Symptoms: Clunking noises from the suspension, vague steering, uneven tire wear.
  • Solution: Replace worn control arm bushings. Replacing the entire control arm is often easier than pressing in new bushings.
  • Estimated Cost to Fix: $100 - $400 per control arm (parts and labor)
  • Recalls: None Found
• Strut Mount Failure
  • Description/Symptoms: Creaking or groaning noises from the suspension, especially when turning the steering wheel, excessive suspension movement.
  • Solution: Replace the strut mounts.
  • Estimated Cost to Fix: $100 - $300 per strut (parts and labor)
  • Recalls: None Found

Electrical

• Instrument Cluster Pixel Failure
  • Description/Symptoms: Pixels missing or faded on the instrument cluster display, making it difficult to read information.
  • Solution: Repair or replace the instrument cluster. Repair involves replacing the LCD screen.
  • Estimated Cost to Fix: $100 - $500+ depending on repair vs. replacement.
  • Recalls: None Found
• Window Regulator Failure
  • Description/Symptoms: Window not going up or down, unusual noises when operating the window.
  • Solution: Replace the window regulator.
  • Estimated Cost to Fix: $150 - $400
  • Recalls: None Found
• Door Lock Actuator Failure
  • Description/Symptoms: Door not locking or unlocking properly, remote not working for the door.
  • Solution: Replace the door lock actuator.
  • Estimated Cost to Fix: $100 - $300
  • Recalls: None Found

Exterior

• Rust (Wheel Arches and Lower Body Panels)
  • Description/Symptoms: Visible rust on the wheel arches, rocker panels, or other lower body panels.
  • Solution: Rust repair, which may involve cutting out and welding in new metal. Followed by body filler, sanding, and paint.
  • Estimated Cost to Fix: $300 - $1000+ per area depending on the severity of the rust.
  • Recalls: None Found

Interior

• Headliner Sagging
  • Description/Symptoms: The headliner fabric detaching from the backing and sagging down.
  • Solution: Replace the headliner fabric or the entire headliner assembly.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found
• Sunroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, making unusual noises, or leaking.
  • Solution: Repair or replace the sunroof mechanism. Cleaning and lubricating the tracks can sometimes resolve minor issues.
  • Estimated Cost to Fix: $100 - $800+ depending on the severity of the issue.
  • Recalls: None Found

Summary

The 2002 Audi S3, while a desirable performance vehicle, is prone to a number of issues related to its age and the complexity of its turbocharged engine and all-wheel-drive system. Engine issues such as coil pack failures, vacuum leaks, and turbocharger problems are common, as are transmission issues related to synchro wear and clutch failure. Suspension components like control arm bushings also tend to wear out over time. Electrical issues, particularly with the instrument cluster and window regulators, are also frequently reported. Rust can be a concern, especially in areas with harsh winters. Overall, prospective buyers should be aware that owning a 2002 Audi S3 may involve significant maintenance costs and the potential for unexpected repairs. The severity and cost of repairs can vary widely depending on the condition of the vehicle and the specific issue.