Primary Coverage:
All workshop procedures for Audi A4 B5 (2001 Model Year)
Specific Systems:
Body, Electrical Equipment, Engine Mechanical, Fuel Injection and Ignition, Fuel System, Heating and AC, Maintenance, Suspension, Wheel and Brakes, Transmission
Estimated Page Count:
Varies by specific Audi factory documentation; typically several thousand pages for a complete set.
Type:
Factory Service Repair Manual
Language:
English (assumed based on product description)
Engine Mechanical:
Engine assembly, disassembly, cylinder head, crankshaft, camshaft, pistons, connecting rods, lubrication, cooling system.
Fuel System:
Fuel pump, fuel lines, fuel injectors, fuel pressure regulator, fuel tank, emissions control.
Fuel Injection Ignition:
ECU diagnosis, sensors (MAF, O2, crank, cam), ignition coils, spark plugs, timing.
Transmission:
Manual and automatic transmission overhaul, clutch, differential, transmission control modules (TCM).
Suspension Wheel Brakes:
Front and rear suspension components (struts, control arms, bushings), steering system, wheel bearing replacement, brake system (discs, pads, calipers, ABS, parking brake), wheel alignment specifications.
Electrical Equipment:
Wiring diagrams, battery, starter, alternator, lighting (headlights, taillights, interior), fuses, relays, power windows, central locking, infotainment system components, diagnostic connectors.
Body:
Body panel removal and installation, doors, hood, trunk lid, bumpers, glass replacement, interior trim, sound deadening.
Heating Ac:
HVAC system components, refrigerant handling, blower motor, climate control module, cabin air filter replacement.
Maintenance:
Recommended service intervals, fluid checks and changes (oil, coolant, brake fluid, power steering fluid, transmission fluid), filter replacements (oil, air, cabin, fuel), spark plug replacement, belt replacement.
Repair Procedures:
Step-by-step instructions for all major mechanical and electrical repairs, including engine rebuilds, transmission service, brake system overhauls, suspension repairs, and electrical component replacement.
Diagnostic Procedures:
Troubleshooting guides for common and uncommon faults, symptom-based diagnosis, electrical circuit testing, use of diagnostic scan tools.
Maintenance Procedures:
Detailed instructions for routine maintenance tasks such as oil changes, filter replacements, fluid top-offs, and inspection procedures.
Technical Data Inclusion:
Torque specifications for all fasteners, fluid capacities and specifications, electrical component data, engine data, chassis data.
Depth:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including in-depth electrical diagnostics and schematics.
Engine Variants Covered:
Likely covers multiple engine options for the 2001 A4 B5, including 1.8T (4-cylinder turbo), 2.8L V6, and potentially the 2.5L TDI diesel for European markets.
Engine Code Examples:
1.8T: AEB, APU, ARK, AJL, AMB. 2.8 V6: ACK, ALG, APR, AQD, AHA.
1.8T Horsepower Range:
Approx. 150-170 hp (depending on specific tune and market).
2.8 V6 Horsepower:
Approx. 190-200 hp.
Injection Type:
Multi-point Fuel Injection (MPI) or Direct Injection (for FSI in later models, but likely MPI for 2001 B5).
Ignition System:
Distributorless Ignition System (DIS) with individual ignition coils.
Oil Change Interval:
Every 7,500 to 10,000 miles or 12 months, whichever comes first (check specific owner's manual).
Timing Belt Replacement:
For 2.8 V6: typically around 75,000 to 100,000 miles. 1.8T models use a timing chain, which is generally maintenance-free unless issues arise.
Engine Oil Spec:
SAE 5W-40 Synthetic (VW 502 00 / 505 00 approval recommended).
Coolant Spec:
G 12 Plus (pink) or G 12 Evo (red), or compatible equivalent.
Common 1.8T Issues:
PCV system failures (leading to oil consumption and vacuum leaks), coil-on-plug failures, turbocharger issues (e.g., wastegate rattle), oil sludge buildup if maintenance is neglected.
Common V6 Issues:
Timing belt tensioner failures (can cause catastrophic engine damage), coolant flange leaks, oil leaks from valve cover gaskets and oil pan.
Common Suspension Issues:
Worn control arm bushings and ball joints (leading to clunking noises and poor handling), CV joint boot tears.
Common Electrical Issues:
Window regulator failures, HVAC blower motor resistors, dashboard warning light illumination due to sensor faults.