Skoda 120 LS 1976-1990 Workshop Service Manual for Repair

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🏷️ Basic Information Identification Make: Škoda Model: 120 LS Production Years Covered By Manual: 1976-1990 Codes Model Code General: Škoda 742 series (Type 120) 👋 Introduction Market Position Market Segment:...

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Type: Car

Vendor:

Sku: 201894

Tags: 120 120 LS 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 Car Cars Skoda

Product variants

Description

🏷️ Basic Information

Identification

Make:

Škoda

Model:

120 LS

Production Years Covered By Manual:

1976-1990

Codes

Model Code General:

Škoda 742 series (Type 120)

👋 Introduction

Market Position

Market Segment:

Affordable, practical, rear-engined compact car, popular in Eastern Europe.

Competitive Analysis

Competitors:

Lada Riva/Classic, Fiat 125p, Dacia 1300 series, Wartburg 353.

Key Features Of Vehicle Covered

Design Philosophy:

Robust, simple, and cost-effective rear-engined, rear-wheel-drive configuration, prioritizing practicality and durability over performance.

📋 Manual Details

Coverage Areas

Coverage:

Comprehensive repair and service for Škoda 120 LS

Page Count

Page Count:

Manual Type

Manual Type:

Workshop Service Manual / Repair Manual

Language

Language:

English

Format

Format:

PDF (Digital Download)

Digital Delivery

Delivery Method:

Instant Download upon completion of payment.

Payment Options

Accepted Payment:

All major credit/debit cards, PayPal.

📖 Manual Coverage

Systems Covered

Engine And Powertrain:

Engine overhaul, cooling system, lubrication system, fuel system (carburetor tuning), exhaust system, ignition system, clutch, gearbox, driveshafts.

Chassis And Suspension:

Front and rear suspension, steering system, wheels and tires, braking system (including drum and disc brakes depending on specific LS configuration).

Electrical System:

Battery, charging system, starting system, lighting system, ignition switch, instruments, wipers, horn, radio wiring, fuse box.

Body And Interior:

Body panels, doors, windows, seats, interior trim, heating system, ventilation.

Procedures Included

Maintenance Procedures:

Scheduled maintenance, fluid changes, filter replacements, lubrication, tune-ups, inspections.

Repair Procedures:

Detailed step-by-step instructions for disassembly, assembly, removal, and installation of all major components and systems.

Troubleshooting Diagnostics:

Diagnostic procedures for common problems, symptom analysis, fault finding, and corrective actions.

Adjustments And Specifications:

Precise adjustment procedures for engine timing, carburetor, brakes, clutch, suspension, and detailed specification lists including torque values and wear limits.

Torque Specifications:

Includes precise torque values for critical fasteners and threaded connections.

Wear Limits:

Provides wear limits for components to ensure proper diagnosis and repair.

Technical Depth

Depth:

Comprehensive, covering from basic maintenance to major overhaul and repair. Includes detailed explanations, pictorial diagrams, exploded views, and schematics.

Illustrations And Diagrams:

Features detailed illustrations, exploded diagrams, drawings, and photos to guide through service procedures.

📊 Manual Specifications

File Format

File Format:

Print Quality

Printability:

Yes, all pages are printable for on-demand hard copies.

Binding Type

Binding Type:

N/A (Digital - provided as a downloadable PDF)

Paper Type

Paper Type:

N/A (Digital - output is dependent on user's printer)

Requirements

Software Requirement:

Adobe Reader or compatible PDF viewer

Operating System Compatibility:

Windows, Mac, Linux OS

⚙️ Engine Specifications

Primary Engine

Engine Type:

Inline-4, Overhead Valve (OHV), Water-cooled

Displacement:

1289 cc (1.3 Liters)

Fuel System:

Single or Twin-barrel Carburetor (e.g., Jikov, Weber variants specific to LS trim)

Performance

Horsepower Approx:

Approx. 54-60 PS (depending on specific tuning and market regulations)

Torque Approx:

Approx. 90-95 Nm

Cooling System

Cooling Type:

Pressurized liquid cooling system

Ignition System

Ignition Type:

Contact breaker points (Distributor ignition)

🔧 Transmission

Standard

Transmission Type:

4-speed Manual Transaxle

Optional

Optional Transmission:

Potentially 5-speed manual on later models or specific export variants (LS typically implies a higher trim, but 4-speed was common).

Features

Drive Layout:

Rear-engine, Rear-wheel drive (RR)

📐 Dimensions

Exterior

Length Approx:

4200 mm

Width Approx:

1600 mm

Height Approx:

1400 mm

Weights

Curb Weight Approx:

950-1000 kg

Gross Vehicle Weight Rating Approx:

1300-1350 kg

🛡️ Safety Features

Ratings

Safety Rating Era:

Reflects safety standards of the late 1970s/1980s; basic structural integrity, no advanced safety features.

Active Features

Active Safety:

Disc front brakes, Drum rear brakes, Direct ignition system (enhances reliability over older systems).

Passive Features

Passive Safety:

Basic seat belts, energy-absorbing steering column (design dependent on specific year), reinforced passenger cell.

💡 Technology Features

Infotainment

Infotainment System:

Basic AM/FM radio, optional cassette player. Simple dashboard layout.

Driver Assistance

Driver Assistance Features:

None by modern standards. Features are purely mechanical.

Connectivity

Connectivity Options:

None (no provisions for external device connectivity).

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 5,000 - 7,500 km or 6-12 months, depending on operating conditions.

Tune Up Interval:

Recommended every 10,000 - 15,000 km, including ignition timing and carburetor adjustments.

Fluid Specifications

Engine Oil Specification:

API SF/CD or SG/CD, SAE 20W-50 or 15W-40 (check manual for specific climate recommendations).

Coolant Specification:

Ethylene glycol-based antifreeze, 33-50% concentration in distilled water.

Brake Fluid Specification:

DOT 3 or DOT 4 brake fluid.

Known Issues

Common Wear Items:

Carburetor wear/tuning issues, ignition system components (points, condenser, coil), cooling system hoses and radiator, rear axle oil seals, wheel bearings, clutch wear.

Common Reliability Concerns:

Overheating in heavy traffic due to the rear-mounted engine's cooling challenges, carburetor driveability issues, minor electrical faults.

Tools Required

Special Tools:

Specific ignition timing tools, carburetor adjustment tools, valve adjustment tools, torque wrenches, basic hand tools, potentially bearing pullers.

📚 Vehicle History

Brand Heritage

Brand Origin:

Škoda Auto, Czechoslovakia (now Czech Republic), founded in 1895.

Model Evolution

Predecessor:

Škoda 105, Škoda 120 (earlier variants of the 742 series).

Successor:

Škoda Favorit (introduced in 1987, but 120 continued production).

Production

Production Location:

Mladá Boleslav, Czechoslovakia.

Key Design Elements:

Rear-mounted engine for better traction in adverse conditions, luggage space under the front hood and behind the rear seats.

🏆 Awards & Recognition

Recognitions

Historical Recognition:

Acclaimed for its robust design, affordability, and reliability in its intended market. Often praised for its handling characteristics due to the rear-engine layout when properly maintained.

Ratings

Crash Test Data:

No formal crash test data available from modern independent agencies, but structural design reflects 1970s/1980s safety mandates.