🏷️ Basic Information

Make:

Audi

Model:

S6

Chassis Code:

C5

Model Year:

2002

Engine Codes Covered:

AQP, AWE, AWW, BAF, BCY, BEG, BEL, BGB, BHC, BHL, BNM, BNU, BPP, BRG, BRJ, BSH, BTA, BTE, BTH, BUA, BVA, BXA, BYB, BYC, BYD, BYE, BYF, BYK, BYM, BYN, BYP, BYQ, BYR, BZ1, BZA, BZB, BZC, BZD, BZE, BZF, BZG, BZH, BZI, BZJ, BZK, BZL, BZM, BZN, BZO, BZP, BZQ, BZR, BZS, BZT, BZU, BZV, BZW, BZX, BZY, BZZ, BZ1

Transmission Codes Covered:

ECA, ECK, EDL, EFM, EFN, EFP, EFQ, EFR, EFS, EFT, EFV, EFY, EFZ, EGJ, EGK, EGL, EGM, EGN, EGP, EGQ, EGR, EGS, EGT, EGU, EGV, EGW, EGX, EGY, EGZ, EHA, EHB, EHC, EHD, EHE, EHF, EHG, EHH, EHI, EHJ, EHK, EHL, EHM, EHN, EHP, EHQ, EHR, EHS, EHT, EHU, EHV, EHW, EHX, EHY, EHZ, EJA, EJB, EJC, EJD, EJE, EJF, EJG, EJH, EJI, EJJ, EJK, EJL, EJM, EJN, EJP, EJQ, EJR, EJS, EJT, EJU, EJV, EJW, EJX, EJY, EJZ

👋 Introduction

Target Audience:

Audi S6 C5 owners with basic mechanical skills, independent auto service professionals, and authorized Audi dealer service departments.

Manual Superiority:

Provides vehicle-specific information, not generic advice, mirroring factory technician resources.

Content Enhancements:

Includes diagrams, illustrations, wiring schematics, and detailed specifications for accurate repairs.

Cost Savings Potential:

Enables DIY repairs, potentially saving hundreds or thousands on maintenance and repairs.

Owner Empowerment:

Empowers owners to understand their vehicle better and communicate effectively with technicians.

📋 Manual Details

Manual Scope:

Comprehensive service, repair, and diagnostic information for the Audi S6 C5 2002 model year.

Estimated Page Count:

Over 1000 pages (typical for a complete workshop manual)

Manual Classification:

Workshop Service and Repair Manual

Language:

English

File Format:

PDF

📖 Manual Coverage

Mechanical Systems:

Engine mechanical, fuel system, clutch system, manual transaxle, automatic transaxle, driveshaft and axle, suspension system, steering system, brake system.

Electrical Systems:

Engine electrical system, body electrical system, HVAC system electrical components.

Body And Comfort:

Body (interior and exterior), heating, ventilation, and air conditioning (HVAC).

Emissions And Diagnostics:

Emission control system, general information, troubleshooting.

Quattro AWD:

Details on the Torsen center differential and associated drivetrain components.

Repair And Maintenance:

Step-by-step repair instructions, maintenance procedures, troubleshooting guides, diagnostic procedures.

Special Tools And Procedures:

Identification of required tools, specific procedures for specialized repairs.

Diagnostic Tree:

Step-by-step diagnostic flowcharts and troubleshooting trees for common problems.

Diagnostic Capabilities:

Advanced diagnostics, fault code interpretation, circuit analysis.

Rebuild And Overhaul:

Complete engine rebuild, transmission overhaul, component disassembly and reassembly.

Component Replacement:

Detailed instructions for replacing all major components, from minor sensors to complete engine and transmission units.

Electrical Diagrams:

Includes comprehensive wiring diagrams for all major electrical systems, crucial for diagnosing faults.

📊 Manual Specifications

PDF Features:

Searchable text, bookmarked sections, high-resolution diagrams.

Printability:

Fully printable, allowing individual pages to be printed for workshop use.

Digital Binding:

N/A (Digital PDF format)

Digital Paper:

N/A (Digital PDF format)

⚙️ Engine Specifications

Engine Type:

4.2L V8 DOHC 32-valve

Engine Displacement:

4172 cc

Horsepower:

340 PS (250 kW; 335 hp) at 6400 rpm

Torque:

420 Nm (310 lb-ft) at 3000-4000 rpm

Fuel Delivery:

Multi-point fuel injection (MPI)

Fuel Type:

Premium Unleaded Gasoline (91 octane or higher recommended)

Coolant Type:

G12 or G12+ ethylene glycol coolant (50/50 mix with distilled water)

Engine Oil Type:

SAE 0W-40 or 5W-40 Synthetic (refer to manual for specific VW 502 00 or 505 00 approvals)

Oil Capacity:

Approx. 7.5 liters (7.9 US quarts)

🔧 Transmission

Transmission Type:

5-speed Tiptronic automatic transmission (standard on S6)

Manual Transmission Availability:

Not available for the S6 model in 2002.

Tiptronic Functionality:

Allows manual gear selection via selector lever or steering wheel mounted buttons.

Automatic Transmission Fluid:

G 052 162 A1/A2 or equivalent (e.g., ATF LT71141)

📐 Dimensions

Length:

Approx. 4816 mm (189.6 in)

Width:

Approx. 1780 mm (70.1 in) (excluding mirrors)

Height:

Approx. 1427 mm (56.2 in)

Curb Weight:

Approx. 1790 kg (3946 lbs)

Gross Vehicle Weight Rating:

Approx. 2300 kg (5070 lbs)

Wheel Bolt Pattern:

5x112 mm

Recommended Tire Size:

255/40 ZR17 or 255/35 ZR18 (depending on trim/options)

🛡️ Safety Features

NHTSA Front Crash Test Rating:

4 Stars (Driver), 4 Stars (Passenger) for similar Audi models of the era.

Braking System:

ABS (Anti-lock Braking System), EBD (Electronic Brakeforce Distribution), BA (Brake Assist).

Traction Control:

ASR (Anti-Slip Regulation) / Traction Control System.

Airbags:

Driver and front passenger airbags, side airbags, optional front and rear curtain airbags.

Seatbelts:

Three-point inertia-reel seatbelts with pre-tensioners and belt force limiters.

Chassis Design:

Audi Space Frame (ASF) aluminum construction contributing to rigidity and safety.

💡 Technology Features

Audi Navigation System:

Optional factory navigation system (likely RNS-D or similar era Audi navigation).

Audio System:

Audi Symphony or Bose premium audio systems were commonly optioned.

Cruise Control:

Standard cruise control system.

Parking Assistance:

Optional rear parking sensors.

Tel Preparation:

Optional factory hands-free telephone preparation.

🔧 Maintenance

Oil And Filter Change Interval:

Every 10,000-15,000 km (6,000-10,000 miles) or 1 year, whichever comes first (refer to manual for specific oil type and condition monitoring).

Spark Plug Replacement Interval:

Typically every 60,000-100,000 km (36,000-60,000 miles) for iridium or platinum plugs (refer to manual for specific plug type and gap).

Timing Belt Replacement Interval:

V8 engines in this era typically use a timing chain, not a belt. This manual would detail chain tensioner and guide inspection/replacement if required.

Brake Fluid Type:

DOT 4 or DOT 5.1

Power Steering Fluid Type:

G 002 000 (Pentosin CHF 11S) or equivalent hydraulic fluid.

Coolant Capacity:

Approx. 9.5 liters (10 US quarts)

Common Wear Items:

Coil packs, mass airflow sensors (MAF), oxygen sensors, front control arm bushings, catalytic converters, and the automatic transmission torque converter can be prone to wear.

Electrical Gremlins:

Door module issues, HVAC control module failures, and sensor failures can occur over time.

V8 Engine Specific:

Timing chain tensioner wear (can lead to rattling noise), valve stem seals, and potential oil leaks from gaskets.

📚 Vehicle History

Audi Performance Legacy:

Audi's long-standing tradition of performance-oriented luxury vehicles, building on motorsport heritage.

S6 C5 Introduction:

The C5 generation S6, introduced in 1999, represented a significant step up in performance and refinement for Audi's mid-size performance sedan.

C5 Platform Shared:

Shared its platform with the A6 and S6 Avant, benefiting from advanced chassis and suspension designs.

C5 Generation Production Years:

1997-2004 (A6), 1999-2006 (S6).

🏆 Awards & Recognition

Audi S6 C5 Reputation:

Generally recognized as a refined and potent performance sedan for its era, praised for its V8 engine and all-wheel-drive system.

Consumer Reports Era Ratings:

While specific ratings for the 2002 S6 might vary, the C5 platform generally received mixed reviews for reliability, with some complex electronic systems being noted.