🏷️ Basic Information

Make:

Daewoo

Model:

Matiz

Year:

2003

Generation:

M100/M150

Chassis Code:

M100/M150

👋 Introduction

Market Position:

The Daewoo Matiz was positioned as an affordable, compact city car, offering good fuel economy and maneuverability. This manual targets owners and independent repair shops seeking to maintain and repair this specific model.

Competitive Analysis:

Competed with other subcompact and microcars of its era, such as the Chevrolet Spark (in some markets), Hyundai Atos, and Kia Picanto. The Matiz was known for its distinctive styling and compact dimensions.

Key Features:

This manual provides DIY enthusiasts and technicians with the necessary information to perform a wide range of repairs and maintenance tasks, saving on labor costs and ensuring quality work.

📋 Manual Details

Coverage Areas:

General Maintenance, Troubleshooting, Engine Service/Repair, Transmission Service/Repair, Brake System, Wiring Diagram, Electrical System, Suspension, Periodic Lubrication, Steering, Cooling System, Fuel Injection/Fuel System, Emission System, Engine Control System, Chassis/Body, Restraint System, Axle, and more.

Page Count:

Undisclosed (typical for PDF downloads, actual content will dictate)

Manual Type:

Service Repair Manual

Language:

English

Format:

PDF Download

Software Requirements:

Adobe PDF Reader and WinZip or equivalent archive utility.

Compatibility:

Compatible with all versions of Windows and macOS operating systems.

📖 Manual Coverage

Systems Covered:

Engine (mechanical and electronic controls), Drivetrain (transmission, axles), Chassis (suspension, steering, brakes), Electrical (wiring diagrams, components), Bodywork, HVAC, Fuel System, Emission Control System, Restraint Systems (airbags, seatbelts).

Electrical System Details:

Comprehensive wiring diagrams for all major electrical circuits, including lighting, ignition, starting, charging, instruments, power windows (if equipped), central locking (if equipped), and engine management sensors/actuators. Detailed component locations and testing procedures.

Chassis And Body Coverage:

Detailed procedures for body panel removal and installation, door mechanisms, hood and trunk operation, chassis lubrication points, rust prevention, and basic structural repairs. Includes diagrams for chassis components and body mounting points.

Fuel And Emission Systems:

Covers fuel pump testing, injector cleaning and replacement, fuel filter replacement, evaporative emission control (EVAP) system diagnosis, exhaust system components, and catalytic converter checks.

Engine Control System:

Detailed information on the Engine Control Unit (ECU) functions, sensor inputs (e.g., crankshaft position, camshaft position, throttle position, MAP/MAF, O2), actuator outputs (e.g., injectors, ignition coils), and diagnostic strategies for the powertrain management system.

Procedures Included:

Disassembly, reassembly, repair, servicing, maintenance, troubleshooting, diagnostics, component replacement, fluid changes, lubrication, electrical system testing, wiring harness repair, diagnostic trouble code (DTC) interpretation.

Engine Rebuild Procedures:

Detailed instructions for engine disassembly, inspection of internal components (pistons, rings, valves, crankshaft), cylinder head service, camshaft replacement, timing belt replacement (critical interval), and engine reassembly with torque specifications.

Transmission Overhaul:

Step-by-step procedures for removing, disassembling, inspecting, and reassembling both manual and automatic transmissions, including clutch replacement, gear inspection, seal replacement, and adjustment procedures.

Suspension And Steering Repairs:

Instructions for replacing shock absorbers, struts, control arms, ball joints, tie rod ends, steering rack, and wheel bearings. Includes alignment specifications and procedures.

Brake System Service:

Detailed guidance on brake pad and shoe replacement, rotor/drum resurfacing or replacement, brake caliper servicing, brake fluid flushing, and troubleshooting brake system performance issues.

Technical Depth:

Comprehensive: Covers routine maintenance to major component overhauls and advanced diagnostics. Includes detailed step-by-step instructions, torque specifications, diagnostic flowcharts, and component testing procedures.

Diagnostic Procedures:

Includes troubleshooting flowcharts based on symptoms, diagnostic trouble code (DTC) lists and their meanings, and specific procedures for testing sensors, actuators, and control modules using multimeters, oscilloscopes, and diagnostic scan tools.

📊 Manual Specifications

File Format:

PDF (Portable Document Format)

Print Quality:

Digital (printable, quality dependent on user's printer and settings)

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download)

⚙️ Engine Specifications

Primary Engine:

0.8L (796cc) F8CV 3-cylinder SOHC, 12-valve petrol engine

Engine Horsepower:

Approx. 50-52 PS (37-38 kW) at 6000 rpm

Engine Torque:

Approx. 71 Nm (52 lb-ft) at 4000 rpm

Fuel System:

Multi-point Fuel Injection (MPI)

Ignition System:

Electronic Ignition (Distributorless or Distributor-based depending on market variant)

Emission Control:

Catalytic Converter, Oxygen Sensors, EGR (where applicable)

Engine Block Material:

Cast Iron

Cylinder Head Material:

Aluminum Alloy

Bore X Stroke:

Approx. 68.5 mm x 72.0 mm

Compression Ratio:

Approx. 8.8:1

🔧 Transmission

Transmission Standard:

5-speed Manual Transmission

Transmission Optional:

3-speed Automatic Transmission (less common)

Transmission Fluid Type:

Manual: Manual Transmission Fluid (e.g., SAE 75W-90, API GL-4). Automatic: Dexron III or equivalent.

📐 Dimensions

Length:

Approx. 3,495 mm (137.6 in)

Width:

Approx. 1,595 mm (62.8 in)

Height:

Approx. 1,485 mm (58.5 in)

Wheelbase:

Approx. 2,360 mm (92.9 in)

Curb Weight:

Approx. 700-750 kg (1,543-1,653 lbs)

🛡️ Safety Features

Euroncap Rating:

Generally low ratings for early models (e.g., 1-2 stars for frontal impact) due to its size and market segment focus. Later models may have seen minor improvements.

Active Features:

Optional ABS (Anti-lock Braking System), Front Disc Brakes, Rear Drum Brakes.

Passive Features:

Driver Airbag, Passenger Airbag (optional on some trims), Seatbelt Pretensioners, Crumple Zones (limited).

💡 Technology Features

Infotainment Features:

Basic AM/FM Radio with CD or Cassette Player (market dependent). Simple HVAC controls.

Driver Assistance Features:

Limited to optional ABS. No advanced driver-assistance systems (ADAS) typical of modern vehicles.

Connectivity Features:

Typically no Bluetooth or USB connectivity in base models. May have basic power outlets for accessories.

🔧 Maintenance

Oil Change Interval:

Typically every 5,000-7,500 miles (8,000-12,000 km) or 6-12 months, whichever comes first, depending on driving conditions.

Air Filter Replacement:

Every 15,000-30,000 miles (24,000-48,000 km) or annually.

Spark Plug Replacement:

Every 30,000-50,000 miles (48,000-80,000 km) for standard plugs, longer for iridium/platinum.

Coolant Flush Interval:

Every 30,000-50,000 miles (48,000-80,000 km) or 2-3 years.

Engine Oil Type:

API SG or SH, SAE 10W-30 or 5W-30 (check owner's manual for specific viscosity based on climate).

Engine Oil Capacity:

Approx. 3.5 Liters (3.7 US Quarts) with filter.

Coolant Type:

Ethylene Glycol based coolant, typically a 50/50 mix with distilled water. Use Asian-specific or long-life coolant if specified.

Brake Fluid Type:

DOT 3 or DOT 4

Power Steering Fluid Type:

N/A (Manual steering typically)

Transmission Fluid Capacity Manual:

Approx. 1.9 Liters (2.0 US Quarts)

Transmission Fluid Capacity Automatic:

Approx. 4.7 Liters (5.0 US Quarts) for overhaul

Known Issues:

Corrosion on body panels, potential for electrical gremlins (especially after age), minor engine oil leaks from gaskets, clutch wear (manual transmission), suspension component wear (bushings, ball joints) due to city driving.

Cooling System Issues:

Thermostat failure, radiator leaks, hose degradation leading to overheating.

Ignition System Issues:

Spark plug fouling, distributor cap/rotor wear (if applicable), ignition coil failure.

📚 Vehicle History

Brand Heritage:

Daewoo Motors was a South Korean automobile manufacturer, part of the Daewoo Group. Known for producing affordable vehicles.

Model Evolution:

The Matiz was originally designed by Italdesign Giugiaro and introduced in 1998. The 2003 model falls within the first generation (M100/M150), which received minor updates and facelifts during its production run.

Internal Code Evolution:

M100 series saw initial introduction, followed by M150 which incorporated minor cosmetic and mechanical revisions, including potential updates to the engine and safety features.

Production Years:

1998-2005 (First Generation, M100/M150)

Manufacturing Locations:

South Korea (primarily), with assembly plants in other countries through various partnerships and acquisitions.

🏆 Awards & Recognition

Recognitions:

The Daewoo Matiz was often cited for its value for money and distinctive styling in its class. It achieved significant sales volumes in many European and Asian markets.