1994 Audi S4

Introduction:

The 1994 Audi S4 is a high-performance sedan powered by a 2.2-liter turbocharged inline-5 engine producing 230 horsepower and 258 lb-ft of torque. It is available with a 5-speed manual or 4-speed automatic transmission. The S4 is known for its sporty handling, comfortable interior, and strong engine, but it also has some common issues that owners should be aware of.

Engine:

• 2.2-Liter Turbocharged Inline-5 Engine:
  • Intake Manifold Gasket Failure:
    • Description/Symptoms: Leaks coolant, causing overheating and reduced engine performance.
    • Solution: Replace the intake manifold gasket.
    • Estimated Cost to Fix: $500 - $800+
    • Recalls: None Found
  • Vacuum Hoses Cracking:
    • Description/Symptoms: Causes rough idle, decreased engine power, and increased emissions.
    • Solution: Replace the cracked vacuum hoses.
    • Estimated Cost to Fix: $100 - $250+
    • Recalls: None Found
  • Turbocharger Failure:
    • Description/Symptoms: Loss of boost pressure, reduced engine power, and increased oil consumption.
    • Solution: Replace the turbocharger.
    • Estimated Cost to Fix: $2,000 - $3,000+
    • Recalls: None Found

Transmission:

• 5-Speed Manual Transmission:
  • Shifter Linkage Wear:
    • Description/Symptoms: Difficulty shifting gears, especially into reverse.
    • Solution: Replace the shifter linkage.
    • Estimated Cost to Fix: $250 - $500+
    • Recalls: None Found
• 4-Speed Automatic Transmission:
  • Torque Converter Lockup Failure:
    • Description/Symptoms: Transmission slipping or shuddering, especially under load.
    • Solution: Replace the torque converter.
    • Estimated Cost to Fix: $1,200 - $1,800+
    • Recalls: None Found
  • Transmission Fluid Leak:
    • Description/Symptoms: Leaking transmission fluid, causing low fluid levels and potential transmission damage.
    • Solution: Repair the transmission fluid leak (e.g., replace seals, gaskets).
    • Estimated Cost to Fix: $300 - $700+
    • Recalls: None Found

Suspension:

• Front Control Arm Bushings Wear:
  • Description/Symptoms: Clunking or rattling noises from the front suspension, especially over bumps.
  • Solution: Replace the front control arm bushings.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

Electrical:

• Battery Drain:
  • Description/Symptoms: Battery drains overnight or after extended periods of inactivity.
  • Solution: Test for parasitic drain and replace any malfunctioning components (e.g., alternator, battery).
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found
• Ignition Coil Failure:
  • Description/Symptoms: Engine misfires, poor idling, and reduced engine power.
  • Solution: Replace the faulty ignition coils.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

Exterior:

• Sunroof Leaks:
  • Description/Symptoms: Water leaking into the cabin through the sunroof.
  • Solution: Replace or reseal the sunroof weatherstripping.
  • Estimated Cost to Fix: $150 - $300+
  • Recalls: None Found

Interior:

• HVAC Blower Motor Failure:
  • Description/Symptoms: No or weak airflow from the air conditioning or heating system.
  • Solution: Replace the blower motor.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

Summary:

The 1994 Audi S4 is a well-regarded performance sedan, but it is not without its issues. The most common problems reported by owners involve the intake manifold gasket, vacuum hoses, ignition coils, and battery drain. The cost to repair these issues can vary, but they are generally moderate to expensive.