2000 Audi A4
The 2000 Audi A4 (B5.5 generation) is a compact executive car known for its refined driving experience, well-appointed interior (for its time), and available Quattro all-wheel drive. It’s a popular choice for those seeking a sporty and luxurious feel in a smaller package. However, as with any older vehicle, certain issues are more common than others. Owners often praise the A4’s handling and the quality of its interior materials, but common complaints include the cost of repairs and the potential for various mechanical problems. The 2000 A4 was offered with a 1.8L turbocharged inline-4 engine producing 150 horsepower and 155 lb-ft of torque, or a 2.8L V6 engine producing 190 horsepower and 207 lb-ft of torque. Transmission options included a 5-speed manual and a 5-speed automatic.
Engine
1.8L Turbocharged Inline-4 (AWM Engine Code)
- Timing Belt Failure
- Description/Symptoms: The timing belt is a crucial component that synchronizes the crankshaft and camshaft. Failure can lead to catastrophic engine damage if the belt snaps. Symptoms include ticking noises, difficulty starting, or complete engine failure.
- Solution: Replace the timing belt, water pump, tensioner, and any other associated components as a preventative measure. It’s recommended to adhere to the manufacturer’s service interval.
- Estimated Cost to Fix: $500 - $1000+
- Recalls: None Found
- Ignition Coil Failure
- Description/Symptoms: Misfires, rough idling, loss of power, and the check engine light illuminating are common symptoms of a failing ignition coil.
- Solution: Replace the faulty ignition coil. It’s often recommended to replace all ignition coils at the same time for preventative maintenance.
- Estimated Cost to Fix: $100 - $300+ (per coil, including labor)
- Recalls: None Found
- Vacuum Leaks
- Description/Symptoms: Rough idle, poor fuel economy, and the check engine light illuminating can be caused by vacuum leaks. Common areas include vacuum hoses, the intake manifold gasket, and the diverter valve.
- Solution: Locate and repair the vacuum leak by replacing damaged hoses or gaskets.
- Estimated Cost to Fix: $100 - $400+ depending on the location and severity of the leak.
- Recalls: None Found
2.8L V6 (AFC Engine Code)
- Oil Leaks
- Description/Symptoms: Oil leaks are common from the valve cover gaskets and the rear main seal. Visible oil leaks and low oil levels are typical symptoms.
- Solution: Replace the valve cover gaskets and/or rear main seal.
- Estimated Cost to Fix: Valve cover gaskets: $200 - $500. Rear main seal: $500 - $1000+
- Recalls: None Found
- Coolant Leaks
- Description/Symptoms: Coolant leaks can occur from various locations, including the water pump, thermostat housing, and coolant hoses. Overheating is a common symptom.
- Solution: Locate and repair the leak by replacing the faulty component.
- Estimated Cost to Fix: $200 - $800+ depending on the location and component.
- Recalls: None Found
Transmission
5-Speed Automatic
- Valve Body Issues
- Description/Symptoms: Harsh shifting, slipping between gears, and delayed engagement are common symptoms of a failing valve body.
- Solution: Replacing or rebuilding the valve body.
- Estimated Cost to Fix: $800 - $2000+
- Recalls: None Found
Suspension
- Control Arm Bushing Failure
- Description/Symptoms: Clunking noises from the front suspension, uneven tire wear, and vague steering are typical symptoms of worn control arm bushings.
- Solution: Replace the control arm bushings or the entire control arm assembly.
- Estimated Cost to Fix: $200 - $600+ per side (including labor).
- Recalls: None Found
- Strut Mount Failure
- Description/Symptoms: Clunking or rattling noises from the front suspension, especially when going over bumps, can indicate worn strut mounts.
- Solution: Replace the strut mounts.
- Estimated Cost to Fix: $200 - $500 per side (including labor).
- Recalls: None Found
Electrical
- Instrument Cluster Issues
- Description/Symptoms: Pixels failing on the display screen, erratic gauge readings, and complete failure of the instrument cluster are common problems.
- Solution: Repair or replace the instrument cluster.
- Estimated Cost to Fix: $300 - $800+
- Recalls: None Found
- Window Regulator Failure
- Description/Symptoms: The power windows may stop working, make grinding noises, or become slow to operate due to a failing window regulator.
- Solution: Replace the faulty window regulator.
- Estimated Cost to Fix: $200 - $500+ per window.
- Recalls: None Found
Exterior
- Door Lock Actuator Failure
- Description/Symptoms: Doors may not lock or unlock properly using the remote or the interior switch.
- Solution: Replace the faulty door lock actuator.
- Estimated Cost to Fix: $150 - $400+ per door.
- Recalls: None Found
Interior
- Climate Control Issues
- Description/Symptoms: The climate control system may not blow cold air, hot air, or may not function at all due to a faulty compressor, blower motor, or control module.
- Solution: Diagnose the specific issue and replace the faulty component.
- Estimated Cost to Fix: $200 - $1000+ depending on the component.
- Recalls: None Found
Summary
The 2000 Audi A4, while a desirable car for its driving dynamics and interior, is prone to a variety of issues typical of a vehicle of its age. The engine and transmission can be particularly problematic, especially regarding timing belt failures and automatic transmission issues. Suspension components, such as control arm bushings, are also known to wear out. Electrical problems, especially those affecting the instrument cluster and window regulators, are also common. Repair costs can range from relatively inexpensive to quite significant, depending on the specific issue. Prospective buyers should be aware of these potential problems and factor them into their purchasing decision, potentially seeking a pre-purchase inspection by a qualified mechanic.