🏷️ Basic Information

Make:

Daewoo

Model:

Matiz

Year:

2003

Platform Code:

M100 (Original), M150 (Facelifted)

👋 Introduction

Market Segment:

Subcompact city car.

Target Audience:

First-time car buyers, urban commuters, small families, budget-conscious individuals.

Competitors:

Chevrolet Spark (developed from Matiz), Hyundai Atos, Kia Picanto, Toyota Aygo, Peugeot 107, Citroën C1, Fiat Seicento.

Key Selling Points:

Compact size, fuel efficiency, affordability, maneuverability in urban environments.

Design Philosophy:

Designed as a cost-effective and practical solution for urban mobility, emphasizing small dimensions and efficient packaging.

📋 Manual Details

Coverage:

Comprehensive service, repair, maintenance, and diagnostics for the 2003 Daewoo Matiz.

Estimated Page Count:

500+

Type:

Factory Service Manual / Repair Manual

Language:

English

Format:

PDF

📖 Manual Coverage

Systems:

General Information, Engine Mechanical, Lubrication System, Cooling System, Engine Control System (ECU), Fuel System, Exhaust System, Accelerator Control, Clutch, Manual Transmission, Automatic Transmission, Propeller Shaft, Rear Final Drive, Front Axle, Rear Axle, Front Suspension, Rear Suspension, Brake System, Parking Brake, Brake Control System, Steering Control System, Seat Belts, Supplemental Restraint System (SRS), Body, Locks & Security, Glasses, Windows & Mirrors, Exterior & Interior Trim, Instrument Panel, Seats, Automatic Air Conditioning, Starting & Charging System, Lighting System, Driver Information System, Wiper & Washer System, Horn, Body Control System, LAN System, Audio Visual, Navigation & Telephone, Auto Cruise Control, Power Supply, Ground & Circuit Elements, Maintenance.

Engine Control System:

Detailed coverage of the engine control unit (ECU), sensors (e.g., crankshaft position, camshaft position, oxygen, throttle position, coolant temperature), actuators (e.g., fuel injectors, idle air control valve), and diagnostic procedures.

Brake Control System:

Includes information on ABS (if equipped), brake fluid pressure, master cylinder, brake booster, and related circuits.

Body Control System:

Covers central locking, power windows, interior/exterior lighting control modules, and other body-related electronic functions.

Starting Charging System:

Details on the starter motor, alternator, battery, charging circuits, and troubleshooting voltage issues.

Suspension Steering:

Detailed procedures for servicing front MacPherson struts, rear torsion beam suspension, steering rack, power steering pump (if equipped), and alignment specifications.

Air Conditioning:

Covers operation, diagnosis, refrigerant handling, component testing, and repair of the automatic air conditioning system.

Procedures:

Maintenance, inspection, diagnosis, repair, overhaul, adjustment, component replacement, wiring diagrams, technical specifications, troubleshooting guides, and diagnostic trouble codes (DTCs).

Troubleshooting:

Comprehensive diagnostic flowcharts, symptom-based troubleshooting, and common fault finding for all major systems.

Component Replacement:

Step-by-step instructions for removing, inspecting, repairing, and installing major and minor components, including engine rebuild procedures, transmission overhaul, and suspension work.

Diagnosis:

Methods for diagnosing engine performance issues, transmission slipping, brake system faults, electrical problems, and body system malfunctions using diagnostic tools and manual inspection techniques.

Depth:

Expert-level; equivalent to dealership technician manual. Covers from basic maintenance to in-depth engine and transmission overhauls, electrical system diagnostics, and body repairs.

Wiring Diagrams:

Detailed electrical schematics for all vehicle systems, including power distribution, grounding points, and connector pinouts.

Torque Specifications:

Specific torque values for all fasteners, critical for proper assembly and component longevity.

Diagnostic Trouble Codes:

Lists and explains Diagnostic Trouble Codes (DTCs) relevant to the Matiz engine control and other electronic modules.

📊 Manual Specifications

File Format Details:

PDF, delivered in a compressed .rar or .zip archive. Requires unzipping software (e.g., WinZip, WinRAR, 7-Zip) and Adobe Acrobat Reader or compatible PDF viewer.

Searchability:

PDF format typically allows for text searching, significantly aiding in finding specific information quickly.

Printability:

Yes, printable pages for convenient workshop use.

Image Resolution:

High resolution images and diagrams suitable for printing and clear visual reference.

Binding Type:

Digital (N/A for digital file delivery)

Paper Type:

Digital (N/A for digital file delivery)

⚙️ Engine Specifications

Engine Type:

Inline 3-cylinder, SOHC

Displacement:

796 cc (F8CV engine)

Horsepower:

Approx. 52 PS (38 kW) at 6000 rpm

Torque:

Approx. 72 Nm (53 lb-ft) at 4600 rpm

Fuel Delivery:

Multi-point Fuel Injection (MPI)

Fuel Type:

Unleaded Gasoline

Bore X Stroke:

68.5 mm x 72.0 mm (approx.)

Compression Ratio:

9.1:1 (approx.)

🔧 Transmission

Transmission Type:

5-speed Manual Transmission

Transmission Type:

3-speed Automatic Transmission

Clutch Type:

Dry, single plate, diaphragm spring

Gear Ratios Example:

1st: 3.545, 2nd: 1.947, 3rd: 1.379, 4th: 1.065, 5th: 0.854, Reverse: 3.333, Final Drive: 4.176 (Example ratios for M100/M150, may vary slightly).

📐 Dimensions

Length:

Approx. 3495 mm (137.6 in)

Width:

Approx. 1595 mm (62.8 in)

Height:

Approx. 1500 mm (59.1 in)

Curb Weight:

Approx. 765 kg (1687 lbs)

Gross Vehicle Weight Rating:

Approx. 1180 kg (2601 lbs)

Towing Capacity:

Not designed or rated for towing.

Seating Capacity:

4 passengers.

🛡️ Safety Features

Airbags:

Driver and front passenger airbags (often optional or standard depending on market).

Seatbelts:

Front pretensioner seatbelts, rear 3-point seatbelts.

Chassis Construction:

Monocoque construction with crumple zones.

Child Seat Anchors:

ISOFIX child seat anchors may be present depending on market and trim.

ABS:

Anti-lock Braking System (ABS) - often optional.

💡 Technology Features

Audio System:

Basic AM/FM radio with CD player or cassette player. May have optional premium sound system.

Cruise Control:

Auto Cruise Control System listed in manual, indicating availability on some trims.

Optional Features:

Optional telephone preparation may be available on certain models.

🔧 Maintenance

Oil Change Interval:

Recommended every 7,500 miles (12,000 km) or 12 months, whichever comes first.

Air Filter Replacement:

Recommended every 15,000 miles (24,000 km) or 24 months.

Spark Plug Replacement:

Recommended every 30,000 miles (48,000 km).

Timing Belt Replacement:

Critical: Typically every 50,000 miles (80,000 km) or 5 years. Failure can cause severe engine damage.

Engine Oil Type:

API SG or higher, SAE 5W-30 or 10W-30 (check owner's manual for specific climate recommendations).

Coolant Type:

Ethylene glycol-based antifreeze, 50/50 mix with distilled water.

Brake Fluid Type:

DOT 3 or DOT 4.

Transmission Fluid Manual:

API GL-4, SAE 75W-85 or 75W-90 gear oil.

Transmission Fluid Automatic:

Dexron III/Mercon equivalent.

Power Steering Fluid:

If equipped, typically ATF Dexron II/III or specific power steering fluid.

Common Problems:

Potential for minor oil leaks from valve cover gasket or sump, ignition coil issues, exhaust system corrosion, interior trim rattles, occasional electrical glitches in older units. Suspension wear in higher mileage vehicles.

Common Maintenance Items:

Regular replacement of timing belt (critical maintenance item to prevent engine damage), spark plugs, air filter, and fuel filter. Attention to exhaust system components due to potential corrosion.

📚 Vehicle History

Brand Origin:

South Korea.

Generation Development:

The Matiz was originally developed by Daewoo and later produced by Chevrolet and Ravon after GM's acquisition of Daewoo. The 2003 model falls within the M100/M150 generation (M150 being the facelifted version introduced in 2000).

Production Period:

Introduced in 1998, with significant facelift in 2000 (M150) which the 2003 model is part of.

🏆 Awards & Recognition

Safety Ratings:

Euro NCAP ratings for the Matiz typically indicated relatively low protection for occupants in crash tests, especially in earlier versions. Specific ratings for 2003 models should be verified through Euro NCAP archives.