Engine Mechanical:
Engine disassembly, assembly, diagnostics, timing, seals, gaskets, pistons, rings, valves, camshafts, crankshaft.
Engine Performance:
Turbocharger system, intercooler, fuel injection, ignition system, engine control unit (ECU) diagnostics.
Transmission Manual:
5-speed manual transmission (016) disassembly, assembly, clutch replacement, gear shifter linkage.
Transmission Automatic:
N/A (1992 S4 exclusively manual transmission)
Drivetrain Quattro:
Front and rear differential service, center differential, driveshafts, CV joints, wheel bearings.
Suspension Front:
MacPherson struts, control arms, ball joints, sway bar, bushings, alignment specifications.
Suspension Rear:
Multi-link independent suspension, trailing arms, shock absorbers, springs, bushings, alignment specifications.
Steering:
Power steering system, steering rack, tie rods, power steering pump, fluid specifications.
Brakes Front:
Ventilated disc brakes, caliper replacement, pad replacement, rotor specifications, brake fluid type.
Brakes Rear:
Solid disc brakes, caliper replacement, pad replacement, rotor specifications, parking brake system.
Electrical Charging:
Alternator, battery, starter motor, charging system diagnostics.
Electrical Lighting:
Headlights, taillights, interior lighting, bulb types, wiring.
Electrical Ignition:
Distributor, ignition coils, spark plugs, ignition timing.
Electrical Sensors:
Oxygen sensors, throttle position sensor (TPS), knock sensors, ABS sensors, engine coolant temperature (ECT) sensor.
Bodywork Exterior:
Door panel removal, bumper replacement, fender alignment, hood and trunk adjustments.
Bodywork Interior:
Dashboard removal, seat removal, carpet replacement, headliner repair.
Maintenance Scheduled:
Oil change, filter replacement, spark plug replacement, air filter replacement, fuel filter replacement, coolant flush.
Troubleshooting Engine:
Diagnostic trouble codes (DTCs) interpretation, no-start conditions, rough idle, misfires, overheating.
Troubleshooting Electrical:
Battery drain issues, lighting faults, starter problems, warning light diagnostics.
Repair Engine:
Head gasket replacement, piston and ring replacement, valve job, timing belt (chain) replacement (note: this era may use a belt or chain, manual will clarify).
Repair Transmission:
Transmission fluid change, clutch replacement, seal replacement.
Repair Brakes:
Brake pad and rotor replacement, caliper overhaul, brake line replacement, bleeding procedures.
Repair Suspension:
Strut and shock absorber replacement, control arm and bushing replacement, wheel bearing replacement.
Installation Accessories:
Likely covers factory or common aftermarket accessory installations (e.g., stereo upgrades, alarm systems).
Diagnostic Capability:
Advanced diagnostics, including component testing, circuit analysis, and interpretation of sensor data.
Rebuild Procedures:
Comprehensive rebuild procedures for major components like the engine and transmission.
Wiring Diagrams:
Detailed, color-coded wiring diagrams for all vehicle systems.
Torque Specifications:
Precise torque specifications for all critical fasteners.
Schematics:
Hydraulic, pneumatic, and electrical schematics.
Oil Change:
Every 5,000-7,500 miles or 6-12 months, depending on driving conditions.
Timing Belt:
Crucial: The 2.2L 5-cylinder engine in this era typically uses a timing belt. Check manual for exact interval, generally around 60,000-90,000 miles or 5-7 years. Failure can cause catastrophic engine damage.
Spark Plugs:
Every 30,000-60,000 miles (depending on plug type).
Engine Oil:
Refer to manual for specific viscosity (e.g., 5W-40 or 10W-40 synthetic recommended). Capacity: approx. 4.5 liters (4.8 quarts) with filter.
Coolant:
Audi/VW G11 (Blue) or equivalent G12 (Pink) antifreeze concentrate mixed with distilled water (50/50 ratio). Capacity: approx. 7.5 liters (7.9 quarts).
Brake Fluid:
DOT 4 Brake Fluid.
Power Steering Fluid:
Pentosin CHF 11 S or equivalent hydraulic fluid.
Transmission Fluid Manual:
GL-4 Gear Oil (e.g., SAE 75W-90). Capacity: approx. 2.1 liters (2.2 quarts).
Ignition System:
Coil pack failures, distributor issues (if applicable to specific build), spark plug wire degradation.
Turbocharger:
Oil leaks, wastegate issues, intercooler hose failures.
Suspension:
Worn control arm bushings, sagging springs, worn strut mounts, premature ball joint wear.
Electrical Gremlins:
Common in older Audis; intermittent power issues, sensor failures, dashboard warning lights.
Cooling System:
Plastic coolant flanges and pipes prone to cracking, water pump leaks, thermostat issues.