Engine Mechanical:
Complete overhaul, timing belt/chain, pistons, crankshaft, cylinder heads, valvetrain.
Engine Management:
ECU, sensors, fuel injection, ignition system, emissions control.
Transmission Manual:
Clutch, gearbox, internal components, shifting mechanism.
Transmission Automatic:
Torque converter, valve body, planetary gears, electronic controls.
Drivetrain:
Front-wheel drive, all-wheel drive (Quattro) systems, drive shafts, CV joints, differentials.
Suspension:
Front McPherson struts, rear torsion beam or multi-link (depending on specific model/drivetrain), shock absorbers, springs, control arms, bushings.
Steering:
Power steering system, steering rack, column, tie rod ends.
Brakes:
Hydraulic system, ABS, EBD, brake pads, rotors, calipers, master cylinder, brake lines.
Electrical System:
Battery, alternator, starter, wiring diagrams, fuses, relays, lighting, body control module (BCM).
HVAC:
Air conditioning, heating, climate control, blower motor, evaporator, condenser, refrigerant.
Body And Chassis:
Frame, body panels, doors, windows, interior trim, bumpers.
Safety Systems:
Airbags, seatbelt pre-tensioners, ABS module.
Scheduled Maintenance:
Oil changes, filter replacements, fluid checks and flushes, spark plugs, belts.
Component Disassembly Assembly:
Detailed instructions for removing and reinstalling all major and minor components.
Troubleshooting Diagnostics:
Fault code interpretation, symptom-based diagnostics.
Electrical Troubleshooting:
Using wiring diagrams, testing circuits, component testing.
Engine Rebuilding:
Complete engine overhauls, piston ring replacement, bearing replacement.
Brake Service:
Pad and rotor replacement, caliper service, brake fluid bleeding.
Suspension And Steering Repair:
Component replacement, alignment specifications.
Bodywork And Collision Repair:
Panel replacement, dent repair guidance.
HVAC System Service:
Refrigerant charging, component replacement.
Depth:
Comprehensive, suitable for professional technicians and advanced DIY enthusiasts. Includes detailed specifications, torque values, diagnostic procedures, and repair strategies.
Engine 1 Displacement:
1.6L (AWH, ALZ)
Engine 2 Displacement:
1.8L Turbocharged (AEB, APU, ARK, AUM, AUQ)
Engine 3 Displacement:
1.9L TDI Diesel (AGR, ALH, AHF, ASV)
Engine 4 Displacement:
2.0L (AZJ, AZM)
Engine 5 Displacement:
2.3L VR5 (AGZ, AQN)
Horsepower Range:
Approximately 100 hp (1.6L) to 170 hp (2.3L VR5).
Torque Range:
Varies significantly by engine. Turbocharged engines offer higher torque figures.
Fuel Delivery:
Multi-point Fuel Injection (MPI) or Electronic Fuel Injection (EFI), common rail direct injection for TDI.
ECU Type:
Bosch Motronic or Simos, depending on engine variant.
Type:
5-speed Manual (e.g., DUH, DPA, ERT, ERF)
Type:
4-speed Automatic (e.g., AG4, AG7) or 5-speed Tiptronic Automatic.
Drivetrain:
Front-Wheel Drive (FWD) standard, optional quattro All-Wheel Drive (AWD).
Manual Spec:
GL-4 or GL-5 Gear Oil (specific viscosity varies, e.g., 75W-90)
Automatic Spec:
G 052 162 A2 or equivalent ATF (e.g., Dexron III)
Oil Change Interval:
Typically 15,000 km (9,300 miles) or 12 months, often utilizing flexible 'LongLife' servicing.
Timing Belt:
Recommended replacement every 90,000 - 120,000 km (56,000 - 75,000 miles) or 5-7 years for relevant engines (e.g., 1.8T, 2.0).
Engine Oil:
Typically VW 502 00 or 503 00/503 01 specification synthetic oil, viscosity 0W-30, 5W-30, or 5W-40 depending on climate and engine.
Coolant:
G 12 Plus (pink) or G 12 (red) coolant concentrate mixed with distilled water (50/50 ratio).
Ignition Coils:
Coil-on-plug ignition coils can be a common failure point on the 1.8T engine, leading to misfires.
Turbocharger Issues:
Oil leaks, wastegate issues, and intercooler pipe cracks can affect the 1.8T.
Suspension Components:
Worn control arm bushings and front strut mounts are common due to mileage.
Window Regulators:
Plastic components in the window regulator mechanisms can become brittle and fail.
Eletric Window Switches:
Driver's side door module and window switches can fail.
Climate Control Actuators:
Blend door actuators for HVAC system can fail, leading to incorrect temperature or air direction.
