2000 Audi A4 Quattro

Posted Feb 27, 2026

By Research the Car 3 min read

2000 Audi A4 Quattro

Overview

The 2000 Audi A4 Quattro, particularly in its B5 generation, is known for its robust Quattro all-wheel-drive system and a generally solid build. However, like many vehicles of its era, it is not without its potential issues. Owners often report on specific engine and electrical components that can require attention over time. The suspension, while capable, can also be a source of repair needs. This analysis focuses on common, documented technical reliability concerns beyond routine maintenance, providing insights into potential problem areas and their associated costs for owners.

Engine

1.8L Turbocharged I4 (AEB, ATW, AWM)

PCV System Failure

Symptoms: Rough idle, oil leaks, increased oil consumption, whistling noises.
Solution: Replacement of the Positive Crankcase Ventilation (PCV) valve and associated hoses.
Cost: $150 - $350

Ignition Coil Failure

Symptoms: Misfires, rough running, check engine light, poor acceleration.
Solution: Replacement of faulty ignition coils.
Cost: $100 - $300 per coil

Timing Belt Failure (if not replaced on schedule)

Symptoms: Sudden engine stoppage, catastrophic engine damage if belt breaks.
Solution: Replacement of timing belt, tensioners, and water pump.
Cost: $600 - $1200

2.8L V6 (AFC, AHA, ATQ)

Intake Manifold Runner Flap Failure

Symptoms: Check engine light, poor engine performance, rough idle.
Solution: Replacement of the intake manifold or repair of the runner flap mechanism.
Cost: $400 - $900

Camshaft Seal Leaks

Symptoms: Oil leaks around the camshaft area, potential for oil to get onto timing belt.
Solution: Replacement of camshaft seals.
Cost: $300 - $700

Transmission

5-Speed Manual (01A)

Clutch Wear

Symptoms: Slipping clutch, difficulty shifting gears, burning smell.
Solution: Replacement of clutch kit (clutch disc, pressure plate, release bearing).
Cost: $700 - $1500

5-Speed Automatic (01V)

Torque Converter Issues

Symptoms: Shuddering, slipping, delayed engagement, transmission fluid leaks.
Solution: Rebuild or replacement of the torque converter.
Cost: $800 - $1800

Transmission Control Module (TCM) Failure

Symptoms: Erratic shifting, ‘limp mode’, check engine light with transmission codes.
Solution: Replacement of the TCM.
Cost: $500 - $1000

Suspension

Standard Chassis

Control Arm Bushing Wear

Symptoms: Clunking noises over bumps, vague steering, uneven tire wear.
Solution: Replacement of worn control arm bushings or entire control arms.
Cost: $300 - $700

Strut Mount Failure

Symptoms: Popping or creaking noises when turning, rough ride.
Solution: Replacement of front strut mounts.
Cost: $200 - $500