🏷️ Basic Information

Make:

Daewoo

Model:

Leganza

Year:

1999

👋 Introduction

Segment:

Mid-size sedan, competing in a segment with established Japanese and American manufacturers.

Target Audience:

Budget-conscious consumers seeking a comfortable and spacious sedan with modern styling for its era.

Key Competitors:

Toyota Camry, Honda Accord, Ford Taurus, Chevrolet Malibu, Nissan Altima.

Unique Selling Points:

Often offered competitive pricing, distinctive styling (particularly the rear end), and a focus on interior space and comfort.

Styling:

Sleek, European-influenced design with flowing lines and a distinctive fastback-like rear profile.

Interior:

Spacious cabin offering good passenger comfort, often featuring a well-appointed dashboard and user-friendly controls.

Powertrain:

Reliable GM-sourced inline-four and V6 engines providing adequate performance for daily driving.

Value Proposition:

Positioned as a strong value alternative in its class, offering a good balance of features, comfort, and price.

📋 Manual Details

Engine:

Yes

Transmission:

Yes

Brakes:

Yes

Suspension:

Yes

Electrical System:

Yes

Bodywork:

Yes

HVAC:

Yes

Diagnostics:

Yes

Estimated Pages:

1500+

Type:

Service and Repair Manual

Language:

English

Format:

PDF Download

📖 Manual Coverage

Engine Mechanical:

Detailed disassembly, inspection, assembly, and torque specifications for engine components (cylinder head, block, pistons, crankshaft, camshafts, valvetrain).

Engine Management:

Fuel injection system, ignition system, emissions control systems (catalytic converter, EVAP), sensor functions, ECU diagnostic trouble codes (DTCs) and troubleshooting procedures.

Transmission Manual:

Clutch system, gearshift mechanism, internal transmission components, lubrication, and troubleshooting.

Transmission Automatic:

Hydraulic control system, torque converter, valve body, gearsets, planetary gears, seals, fluid specifications, and diagnostic procedures.

Braking System:

Front and rear brake assembly (calipers, rotors, pads), brake lines, master cylinder, ABS system components, hydraulic troubleshooting, and bleeding procedures.

Suspension Steering:

Front and rear suspension components (struts, shocks, control arms, ball joints, bushings), steering rack, power steering system, wheel alignment specifications.

Electrical System Charging:

Alternator, battery, voltage regulator, wiring diagrams for charging circuit.

Electrical System Starting:

Starter motor, starter solenoid, ignition switch, wiring diagrams for starting circuit.

Lighting Systems:

Headlights, taillights, interior lighting, bulb types, wiring diagrams, fuse locations.

Comfort Systems:

HVAC system (compressor, evaporator, heater core, blower motor, controls), climate control operation, refrigerant handling, troubleshooting.

Body And Chassis:

Body panel removal and installation, interior trim, glass replacement, chassis components, corrosion prevention.

Fuel System:

Fuel tank, fuel pump, fuel filter, fuel lines, fuel injectors, pressure regulator, diagnostic procedures.

Cooling System:

Radiator, coolant hoses, thermostat, water pump, cooling fan, coolant specifications, flush and fill procedures.

Exhaust System:

Exhaust manifold, catalytic converter, muffler, exhaust pipes, gaskets, mounting hardware.

Safety Systems:

Airbag system (SRS), seatbelt operation and inspection, diagnostic procedures for safety systems.

Preventative Maintenance:

Detailed schedules and procedures for oil changes, filter replacements, fluid checks and changes, belt inspections and replacement, spark plug replacement, brake fluid replacement.

Troubleshooting:

Systematic diagnostic charts, symptom-based troubleshooting guides, identification of common problems and their solutions.

Repair Procedures:

Step-by-step instructions for component removal, installation, adjustment, and calibration for all major vehicle systems.

Diagnostic Codes:

Listing and explanation of Diagnostic Trouble Codes (DTCs) for engine management and other systems, with recommended diagnostic paths.

Component Testing:

Procedures for testing electrical components (sensors, actuators, solenoids) using multimeters, oscilloscopes, and specialized diagnostic tools.

Rebuild Procedures:

Comprehensive instructions for the overhaul and rebuilding of engines, transmissions, and other major mechanical assemblies.

Depth:

Covers everything from basic scheduled maintenance and fluid changes to complete engine and transmission overhauls, advanced electrical diagnostics, and body panel repair.

Detail Level:

Includes detailed diagrams, exploded views, torque specifications, wiring schematics, diagnostic flowcharts, and specific tool requirements.

📊 Manual Specifications

File Format:

PDF

Resolution:

High-resolution, ensuring clear text and legible diagrams for printing.

Searchability:

Text-searchable PDF for quick access to specific topics and information.

Binding:

N/A (Digital PDF)

Paper:

N/A (Digital PDF)

⚙️ Engine Specifications

Engine Code:

T20SED (Ecotec)

Configuration:

Inline 4-cylinder

Displacement:

2.0 Liters (1998 cc)

Bore X Stroke:

86.0 mm x 86.0 mm

Compression Ratio:

9.5:1

Valvetrain:

DOHC, 16 Valves

Horsepower:

130 hp @ 5400 rpm

Torque:

185 Nm (137 lb-ft) @ 4000 rpm

Induction:

Multi-point Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline (91 RON recommended)

Optional Engine Code:

X25SED

Optional Configuration:

V6

Optional Displacement:

2.5 Liters (2498 cc)

Optional Horsepower:

170 hp @ 5800 rpm

Optional Torque:

230 Nm (170 lb-ft) @ 4400 rpm

🔧 Transmission

Type:

5-speed Manual Transmission

Type:

4-speed Automatic Transmission (GM 4T60-E derivative)

Automatic Features:

Electronic control, overdrive, torque converter lock-up.

Automatic Fluid Type:

Dexron III (or equivalent)

Manual Fluid Type:

API GL-4, SAE 75W-90

📐 Dimensions

Length:

4845 mm (190.7 in)

Width:

1785 mm (70.3 in)

Height:

1435 mm (56.5 in)

Wheelbase:

2730 mm (107.5 in)

Front Track:

1510 mm (59.4 in)

Rear Track:

1510 mm (59.4 in)

Curb Weight:

1450 - 1550 kg (approx.)

Gross Weight Rating:

1950 kg (approx.)

Trunk Volume:

430 Liters (approx.)

Standard Tire Size:

205/60 R15

Optional Tire Size:

205/55 R16

Wheel Bolt Pattern:

5x110 mm

Wheel Offset:

ET42 (approx.)

🛡️ Safety Features

NHTSA Front Crash:

Not extensively documented for this model year in all markets, generally rated as adequate for its time.

ABS:

Standard on most trims, optional on base models.

Traction Control:

Optional on higher trims.

Brake Assist:

Not commonly featured for this model year.

Airbags:

Driver and front passenger airbags standard.

Seatbelts:

3-point front and rear seatbelts, pretensioners for front seats.

Child Anchors:

LATCH/ISOFIX anchor points for rear seats (market dependent).

💡 Technology Features

Audio System:

Factory installed AM/FM stereo with cassette player and optional CD player. Standard 4-speaker system, optional 6-speaker system.

Display:

Basic LCD display for radio and clock functions.

Cruise Control:

Standard on most trims, electronic cruise control.

Parking Sensors:

Not typically available for this model year.

Aux Input:

Not standard; aftermarket solutions may be available.

Bluetooth:

Not available; requires aftermarket installation.

🔧 Maintenance

Engine Oil Change:

Every 7,500 miles (12,000 km) or 6 months, whichever comes first.

Oil Filter Replacement:

With every oil change.

Air Filter Replacement:

Every 15,000 miles (24,000 km) or 12 months.

Spark Plug Replacement:

Every 30,000 miles (48,000 km).

Coolant Flush And Replace:

Every 30,000 miles (48,000 km) or 24 months.

Brake Fluid Flush:

Every 24,000 miles (38,000 km) or 24 months.

Timing Belt Replacement:

Critical: Every 60,000 miles (96,000 km) or 4 years (interference engine).

Engine Oil Type:

API SJ, SAE 10W-30 (or 5W-30 for colder climates)

Engine Oil Capacity:

4.0 Liters (4.2 US Quarts) with filter change.

Coolant Type:

Dex-Cool (GM P/N 12346290 or equivalent) or equivalent silicate-free ethylene glycol based coolant.

Coolant Capacity:

7.5 Liters (7.9 US Quarts)

Power Steering Fluid:

GM P/N 1050002 or equivalent Dexron III compatible fluid.

Engine Mounts:

Premature wear and failure of engine mounts leading to vibration and noise.

Suspension Bushings:

Wear in control arm bushings and other suspension components causing clunking noises and poor handling.

Ignition Coils:

Failure of ignition coils, leading to misfires and rough running.

Heater Core:

Leaking heater cores, causing interior fogging and coolant smell.

Automatic Transmission Harsh Shifts:

Transmission control module or solenoid issues can lead to harsh shifts or slipping.

Oxygen Sensors:

Premature failure of oxygen sensors affecting fuel economy and emissions.

📚 Vehicle History

Brand Origin:

Daewoo Motor Company, South Korea.

Brand Evolution:

Founded in 1982, Daewoo aimed to become a global automotive player, often utilizing technology and platforms from GM and other manufacturers.

Introduction Year:

1997

Development Basis:

Developed in collaboration with Italdesign Giugiaro, based on the Daewoo Arcadia concept car.

Facelifts:

Minor styling updates and feature revisions throughout its production run.

Production Years:

1997-2002

Manufacturing Location:

South Korea (and potentially some CKD assembly in other markets).

Market Discontinuation:

Daewoo brand phased out globally by General Motors, with models often rebranded or replaced by GM offerings.

🏆 Awards & Recognition

Specific Awards:

While the Leganza was a competitive car for its price point, it did not garner significant widely recognized industry awards in major automotive publications compared to its Japanese and American counterparts. Its strengths were generally in value and comfort.

Consumer Reports Rating:

Consumer Reports ratings for Daewoo vehicles of this era were generally mixed, often citing reliability concerns relative to established competitors.

Emission Standards:

Designed to meet prevailing emission standards for the North American market in 1999 (e.g., EPA, CARB where applicable).