Engine Mechanical:
Engine disassembly, assembly, overhaul, cylinder head, block, pistons, crankshaft, camshafts, timing belt/chain, valve train
Engine Management:
Fuel injection systems (e.g., CIS-E, KE-Jetronic), ignition systems, engine control units (ECUs), sensors, actuators, emissions control systems (catalytic converter, EGR, O2 sensors)
Transmission Manual:
Clutch operation, removal, installation, manual gearbox disassembly, assembly, component replacement, shift linkage
Transmission Automatic:
Automatic transmission operation, removal, installation, internal components, hydraulic control, fluid service
Driveline:
Front-wheel drive system, differential, driveshafts, CV joints, wheel bearings
Suspension:
Front and rear suspension design, shock absorbers, springs, control arms, bushings, wheel alignment specifications
Brakes:
Disc brakes, drum brakes (rear), hydraulic system, brake lines, master cylinder, calipers, wheel cylinders, ABS system (if equipped), bleeding procedures
Steering:
Power steering system, steering rack, steering column, steering wheel, tie rods, steering knuckle
Electrical System:
Battery, charging system (alternator, regulator), starting system (starter motor), wiring diagrams, fuses, relays, lighting systems (headlights, taillights, interior), instrument panel, warning lights
Body And Interior:
Body panel removal and installation, door mechanisms, windows, mirrors, seats, dashboard, trim panels, bumpers, glass replacement, body repair techniques
Climate Control:
HVAC system, air conditioning (A/C) system operation, refrigerant, blower motor, evaporator, condenser, heater core, air distribution
Wheels And Tires:
Wheel and tire specifications, lug nut torque, tire pressure monitoring (if applicable), wheel balancing
Wipers And Washers:
Wiper motor, linkage, blades, washer fluid reservoir, pump
Safety Systems:
Seat belt mechanisms, airbag systems (if equipped), safety belt pretensioners
Routine Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, air filter replacement
Troubleshooting:
Diagnostic charts, symptom-based problem solving, common fault identification
Repair And Rebuild:
Component removal, installation, overhaul, and adjustment for all covered systems
Diagnostics:
Diagnostic procedures for electronic systems, engine performance analysis, scan tool usage (for relevant systems of the era)
Wiring Diagrams:
Detailed electrical schematics for all vehicle systems
Specification Data:
Torque specifications, fluid capacities, clearances, tolerances, alignment angles
Fuel System Repair:
Fuel pump testing, fuel filter replacement, injector servicing, fuel pressure regulator adjustment for CIS-E systems.
Ignition System Diagnosis:
Spark plug and coil testing, distributor cap and rotor inspection, ignition timing adjustment.
Cooling System Service:
Radiator removal and testing, coolant hose replacement, thermostat replacement, water pump service.
Exhaust System Repair:
Muffler and pipe replacement, catalytic converter inspection, exhaust manifold gasket replacement.
Body Repair Methods:
Techniques for dent removal, panel replacement, rust repair, and structural integrity assessment.
Electrical Component Testing:
Testing of alternators, starters, relays, switches, and lighting circuits.
Depth:
Dealer-level factory manual content, suitable for professional technicians and advanced DIY enthusiasts
Detail Level:
Step-by-step instructions with accompanying diagrams and illustrations for complex procedures
Oil Change Interval:
Typically every 10,000 - 15,000 km or 12 months, depending on oil type and driving conditions. Manual will specify exact intervals.
Timing Belt Replacement:
Crucial for interference engines (e.g., 1.8, 2.0, 2.3); interval typically 60,000 - 90,000 km or 4-5 years. Manual will detail specific engine requirements.
Engine Oil Specification:
API SG/SH, ACEA A2/A3; viscosity grades like 5W-40, 10W-40, 15W-40 depending on climate. Manual will list specific VW/Audi approved oils.
Coolant Specification:
G11 (VAG Group standard blue/green coolant) or equivalent ethylene glycol based antifreeze with corrosion inhibitors.
Brake Fluid Specification:
DOT 3 or DOT 4 hydraulic brake fluid.
Transmission Fluid Manual:
GL-4 Gear Oil (e.g., SAE 75W-90 or 80W-90)
Transmission Fluid Automatic:
Dexron II or equivalent ATF (Automatic Transmission Fluid). Manual will confirm specific ZF or VW type.
Common Problems:
Timing belt failure on interference engines, fuel distributor issues (CIS-E), HVAC blower motor failures, window regulator mechanisms, suspension bushing wear, coolant leaks from expansion tank or hoses, ABS sensor issues.