Engine Mechanical:
Engine assembly, cylinder head, pistons, crankshaft, camshafts, timing, lubrication system, cooling system, exhaust system
Engine Management:
Fuel injection system (EFI), ignition system, emissions control, diagnostics (OBD-I/II depending on year)
Transmission Manual:
Clutch, gearbox assembly, gears, shafts, synchronizers, shift linkages
Transmission Automatic:
Automatic transmission assembly, hydraulic control, torque converter, valve body, electronic controls
Suspension Front:
MacPherson struts, control arms, ball joints, bushings, anti-roll bar
Suspension Rear:
Multi-link independent suspension (typical for Leganza), trailing arms, coil springs, shock absorbers
Brakes Front:
Disc brakes, calipers, pads, rotors, brake lines, ABS components
Brakes Rear:
Disc brakes or drum brakes (depending on spec), calipers/drums, pads/shoes, rotors/drums, parking brake system
Steering:
Rack and pinion steering, power steering pump, steering column, tie rods, power steering system hydraulics
Driveline Axle:
Front-wheel drive, CV joints, drive shafts, differential
HVAC:
Air conditioning system, heater core, blower motor, climate controls, refrigerant service
Restraints:
Airbag system (SRS), seat belts, pre-tensioners
Body Exterior:
Body panels, doors, hood, trunk, bumpers, glass, seals, trim
Body Interior:
Interior trim panels, seats, dashboard, center console, headliner
Electrical Lighting:
Headlights, taillights, interior lighting, fog lights, bulb specifications
Electrical Body Wiring:
Wiring diagrams for all vehicle systems, fuse box locations, relay functions, connector pinouts
Electrical Accessories:
Power windows, power locks, mirrors, wipers, horn, audio system wiring
Maintenance Tasks:
Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement
Diagnostic Procedures:
Troubleshooting guides for common issues, fault code interpretation, circuit testing
Repair Procedures:
Step-by-step instructions for component removal, installation, and repair
Overhaul Procedures:
Complete engine and transmission rebuild procedures (may be detailed depending on the specific manual)
Electrical Repair:
Wiring harness repair, component replacement, diagnostic testing of electrical circuits
Bodywork Repair:
Panel alignment, dent repair, replacement of trim and seals
Depth:
Comprehensive: Covers basic maintenance to major component overhauls and diagnostics
Oil Change:
Every 7,500 - 10,000 miles (12,000 - 16,000 km) or 6-12 months, whichever comes first.
Air Filter:
Inspect every 15,000 miles (24,000 km), replace as needed or at 30,000 miles (48,000 km).
Spark Plugs:
Replace every 30,000 - 60,000 miles (48,000 - 96,000 km) depending on plug type (standard vs. platinum/iridium).
Timing Belt:
Crucial component: Replace every 60,000 - 90,000 miles (96,000 - 144,000 km) or 5-7 years. Failure can cause severe engine damage.
Engine Oil:
API SG/SH or higher. Viscosity: 5W-30 or 10W-40 depending on climate (refer to manual for specifics).
Coolant:
Ethylene Glycol based, typically a 50/50 mix with distilled water. Use a long-life coolant (e.g., Dex-Cool compatible, or specified Daewoo coolant).
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Transmission Fluid Auto:
Dexron-III or equivalent Automatic Transmission Fluid (ATF).
Common Failures:
Timing belt tensioner failure, radiator leaks, power window regulators, minor electrical gremlins, suspension component wear (bushings, ball joints).
Engine Performance:
Occasional issues with EGR valve, ignition coil packs, and fuel injectors can affect smooth running.