🏷️ Basic Information
Identification
Make:
Opel
Model:
Manta
Generation:
A (1970-1975)
Model Years Covered:
1968-1973
Codes
Chassis Code:
Opel 1430/1440/1450
👋 Introduction
Market Position
Segment:
Compact sports coupe/sedan
Target Audience:
Enthusiasts, DIY mechanics, owners of classic Opel vehicles
Competitive Analysis
Competitors:
Ford Capri, BMW 02 Series, Alfa Romeo Giulia GT
Key Features Vehicle
Design Philosophy:
Sporty styling, reliable German engineering, accessible performance
Key Features Manual
Value Proposition:
Inexpensive way to maintain and repair the vehicle, empowering owners
Convenience:
Digital format offers easy access, searchability, and portability compared to old paper manuals
📋 Manual Details
Coverage Areas
Title:
Opel Manta 1968-1973 Service Repair Manual PDF
Market Focus:
Global (primarily European markets)
Page Count
Estimated Pages:
Hundreds (exact count not specified, but implies comprehensive)
Manual Type
Type:
Factory Service and Repair Manual
Language
Language:
English
Format
Format:
PDF
Accessibility:
Compatible with Windows, Mac, smartphones, tablets via web browser
Printability:
Printable (entire manual or select pages)
📖 Manual Coverage
Systems Covered
Powertrain:
Engine Service/Repair, Transmission Service/Repair, Differential/Drive, Axle
Chassis:
Brake System, Suspension, Steering, Chassis/Body
Electrical:
Wiring Diagram, Electrical System, Engine Control System
Comfort And Convenience:
Cooling System, Fuel System, Fuel Injection, Emission System, Heater/Air Conditioning, Interior, Restraint System
Diagnostic And Maintenance:
General Maintenance, Troubleshooting, Periodic Lubrication
Procedures Included
Repair Procedures:
Step-by-step instructions based on complete disassembly
Diagnostic Procedures:
Troubleshooting guides for common issues
Maintenance Procedures:
Routine checks, fluid changes, lubrication
Technical Depth
Depth:
Complete factory service and repair, suitable for DIYers and experienced mechanics
Illustrations:
Hundreds of photos and illustrations
📊 Manual Specifications
File Format
Digital Format:
PDF
Reader Requirements:
Adobe PDF Reader
Print Quality
Printability:
High-quality, printable pages
Binding Type
Binding:
N/A (Digital format)
Paper Type
Paper Type:
N/A (Digital format)
Delivery
Delivery Method:
Speed Download
⚙️ Engine Specifications
Primary Engine
Engine Displacement Options:
1.1L, 1.2L, 1.5L, 1.6L, 1.7L, 1.9L (common for the period)
Engine Type:
Inline-four cylinder, overhead valve (OHV) or overhead camshaft (OHC)
Performance
Horsepower Range:
Approx. 50 HP to 105 HP depending on engine and tuning
Torque Range:
Approx. 75 Nm to 160 Nm depending on engine
Fuel System
Carburetion:
Single or dual downdraft carburetors (e.g., Solex, Zenith)
Fuel Injection:
Later models or performance variants might have had Bosch L-Jetronic injection systems
Engine Control System
Ignition System:
Breaker-point ignition, later electronic ignition systems
🔧 Transmission
Standard
Type:
4-speed manual transmission
Optional
Type:
3-speed automatic transmission (e.g., GM TH180/3L30)
Features
Clutch:
Single dry plate diaphragm spring clutch
📐 Dimensions
Exterior
Body Styles:
2-door coupe, 4-door sedan
Wheelbase:
Approx. 2,477 mm (97.5 in)
Length:
Approx. 4,080 mm (160.6 in)
Width:
Approx. 1,625 mm (64.0 in)
Height:
Approx. 1,350 mm (53.1 in)
Weights
Curb Weight:
Approx. 950-1050 kg (2094-2315 lbs) depending on configuration
🛡️ Safety Features
Ratings
Crash Testing:
Limited modern crash test data available for this era; safety features typical for the late 1960s/early 1970s
Active Features
Braking System:
Front disc brakes, rear drum brakes. Dual circuit hydraulic system.
Steering System:
Recirculating ball steering, manual or optional power steering
Passive Features
Seat Belts:
Standard lap belts, optional front shoulder belts
Body Construction:
Unitary body construction with front and rear crumple zones
💡 Technology Features
Infotainment
Audio System:
Factory fitted AM/FM radio, optional 8-track player
Driver Assistance
Headlights:
Halogen headlights, manual aiming
Connectivity
Original Features:
Minimal electronic features, focus on mechanical systems
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 5,000 km (3,000 miles) or 6 months, depending on operating conditions
Tune Up Interval:
Recommended every 10,000-15,000 km (6,000-9,000 miles) for spark plugs, points, and distributor settings
Transmission Fluid Change:
Manual: Check level periodically; Automatic: typically every 30,000-40,000 km (20,000-25,000 miles)
Fluid Specifications
Engine Oil:
API SF/CD or equivalent, viscosity SAE 10W-30 or 10W-40 recommended for general use, SAE 20W-50 for higher temperatures
Coolant:
Ethylene glycol-based antifreeze mixed with water (50/50 ratio) for freeze protection and corrosion inhibition
Brake Fluid:
DOT 3 or DOT 4 hydraulic fluid
Transmission Fluid Manual:
API GL-4 gear oil, viscosity SAE 75W-90 or 80W-90
Transmission Fluid Automatic:
Dexron II or equivalent automatic transmission fluid (ATF)
Known Issues
Common Problems:
Rust and corrosion (particularly wheel arches, sills, floor pans), aging rubber components (hoses, seals, bushings), electrical gremlins due to age, carburetor tuning issues, worn engine mounts.
📚 Vehicle History
Brand Heritage
Manufacturer:
Adam Opel AG (a subsidiary of General Motors at the time)
Model Evolution
Introduction:
Launched in September 1970 as a sportier alternative to the Kadett
Design Influence:
Styling influenced by American muscle cars, particularly the Chevrolet Camaro
Key Variants:
Manta A (1970-1975), Manta GT/E, Manta Rallye, Manta 1600, Manta 1900
Production
Manufacturing Locations:
West Germany (Rüsselsheim), Antwerp (Belgium), Luton (UK - as Vauxhall Firenza)
Production Span:
1970-1975 (for the A-body)
🏆 Awards & Recognition
Recognitions
Historical Acclaim:
Recognized for its stylish European interpretation of American muscle car design; popular in motorsport during its era.