Engine Mechanical:
Engine assembly, cylinder head, valve train, crankshaft, pistons, connecting rods, timing system (belts/chains), lubrication system, cooling system, fuel injection system, emission control systems.
Engine Electrical:
Engine control module (ECM) diagnosis, ignition system, starting and charging systems, sensors (MAF, O2, knock, etc.), actuators, wiring diagrams.
Transmission Manual:
Manual gearbox assembly, clutch system, shift mechanism, gear ratios, repair procedures, fluid specifications.
Transmission Automatic:
Automatic transmission assembly (e.g., Tiptronic), torque converter, valve body, transmission control module (TCM), hydraulic system, repair procedures, fluid specifications, adaptation procedures.
Drivetrain:
Front-wheel drive (FWD) and quattro all-wheel drive (AWD) systems, front and rear differentials, driveshafts, CV joints, wheel hubs, bearing specifications.
Suspension:
Front suspension (e.g., MacPherson strut, multi-link), rear suspension (e.g., multi-link), shock absorbers, springs, control arms, bushings, anti-roll bars, alignment specifications.
Brakes:
Front and rear brake systems (disc brakes), calipers, pads, rotors, brake lines, ABS (Anti-lock Braking System), ESP (Electronic Stability Program), hydraulic system, bleeding procedures, specifications.
Steering:
Power steering system, steering rack, tie rods, steering column, alignment specifications, power steering fluid.
Body And Chassis:
Body shell construction, door mechanisms, hood, trunk, bumpers, exterior trim, interior trim, sound deadening, chassis components.
Electrical System:
Battery, alternator, starter motor, fuses, relays, lighting systems (headlights, taillights, interior), horn, wipers, power windows, power locks, central locking, mirrors.
Climate Control:
HVAC (Heating, Ventilation, Air Conditioning) system, A/C compressor, condenser, evaporator, blower motor, climate control module, refrigerant types and capacities, diagnostic procedures.
Safety Systems:
Airbag system (SRS), seat belts, pre-tensioners, crash sensors, occupant detection systems, diagnosis and repair of SRS components.
Infotainment And Electronics:
Radio, navigation system, MMI (Multi Media Interface) system (if equipped), speakers, antenna, instrument cluster, driver information system, cruise control.
Maintenance:
Oil changes, filter replacements (oil, air, cabin, fuel), spark plug replacement, coolant flushes, brake fluid changes, transmission fluid changes, belt inspections/replacements, tire rotation and balancing.
Troubleshooting:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting guides, component testing procedures, electrical system diagnosis, engine performance issues, transmission shifting problems.
Repair:
Complete engine overhaul, transmission repair/rebuild, suspension component replacement, brake system repair, electrical component replacement, body panel repair and replacement, interior component repair.
Diagnostics:
Use of diagnostic scan tools, reading and interpreting live data, performing actuator tests, component-specific diagnostic routines, electrical schematic interpretation.
Depth:
Comprehensive - Covers routine maintenance, advanced diagnostics, component-level repair, and complete rebuild procedures.
Oil Change Interval:
Typically every 5,000-10,000 miles (8,000-16,000 km) or 12 months, depending on driving conditions and oil used (refer to manual for specific model/engine).
Timing Belt Replacement:
For 2.0L ALT engine: Every 70,000-105,000 miles (112,000-168,000 km) or 5-7 years. For 1.8T and 3.0 V6: They utilize a timing chain system, requiring inspection rather than replacement unless issues arise.
Engine Oil Type:
Refer to manual: Typically SAE 5W-40 or 5W-30 synthetic oil meeting VW 502.00 or VW 504.00 specifications.
Coolant Type:
G12 or G12+ (Purple) antifreeze coolant.
Transmission Fluid Manual:
GL-4 or GL-4/GL-5 synthetic gear oil (specific viscosity depends on gearbox).
Transmission Fluid Automatic:
ATF (Automatic Transmission Fluid) meeting G 052 162 A1 or similar approved specifications. Always use correct fluid for Tiptronic transmissions.
Brake Fluid Type:
DOT 4 brake fluid.
Engine 1.8T:
Oil sludge buildup (requires regular maintenance), PCV system failures, coil pack failures, coolant flange leaks, turbocharger issues.
Engine 2.0L Alt:
Oil consumption issues, timing chain tensioner problems, intake manifold flap issues.
Engine 3.0 V6:
Timing chain guides and tensioners can wear, leading to noise and potential damage; coolant leaks, particularly from the water pump and thermostat housing.
Suspension:
Worn control arm bushings and ball joints can lead to steering looseness and premature tire wear. Knocking noises from the front suspension are common indicators.
Electrical:
Window regulator failures, door lock module issues, HVAC blower motor resistor failures, instrument cluster pixel degradation.
