🏷️ Basic Information Identification Make: Renault Model: 18 Model Generation: First Generation Production Years: 1978-1986 Codes Chassis Code: Type 117 👋 Introduction Market Position Segment: Family car, compact executive car. Era Context: Competed in a segment with strong offerings from Ford, Volkswagen, Peugeot, and Fiat. Competitive Analysis Key Competitors: Ford Taunus/Cortina, Volkswagen Passat, Peugeot 505, Fiat 131 Mirafiori. Key Features Design: Designed by Giorgetto Giugiaro, known for its modern and aerodynamic styling for its time. Layout: Front-engine, front-wheel drive (FWD) was standard, with some markets offering optional 4WD (Quadra). 📋 Manual Details Coverage Areas Geographic Coverage: Primarily European markets, but applicable to global variants with noted differences. Model Variants Covered: All body styles including Sedan, Estate (Break), and potentially early GTL or TS variants. Page Count Estimated Page Count: Hundreds of pages (Specific count not provided, but described as comprehensive). Manual Type Type: Service and Repair Manual Language Language: English (implied by product description, though original manuals were often multilingual). Format Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine, cooling system, fuel system, exhaust system, ignition system. Drivetrain: Transmission (manual & automatic), clutch, drive shafts, differential. Chassis: Suspension (front & rear), steering system, brakes (hydraulic, disc/drum configurations). Electrical: 12V electrical system, battery, alternator, starter motor, lighting, instrumentation, wiring diagrams. Body: Body panels, doors, glass, interior trim, seating, body repair procedures. Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug checks, fluid level checks. Repair: Engine overhaul, transmission rebuild, brake caliper replacement, suspension component renewal, electrical component repair. Troubleshooting: Diagnostic procedures for common faults, fault code interpretation (if applicable for the era), symptom-based diagnosis. Refurbishment: Procedures for component restoration and refurbishment. Technical Depth Depth: Comprehensive, covering routine maintenance to major overhauls and detailed diagnostics. 📊 Manual Specifications File Format Format: PDF Searchability: Likely text-searchable if the PDF was created from a scanned document with OCR, or natively digital. Print Quality Resolution: Dependent on the original source; for a quality PDF, expect clear text and diagrams. Illustrations: Includes diagrams, schematics, and potentially photographic illustrations for repair procedures. Binding Type Binding: N/A (Digital format) Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Family: Renault '800 series' (Cléon-Fonte derivative for larger applications) Engine Displacement 1: 1.4L (1397 cc) Engine Displacement 2: 1.6L (1565 cc) Engine Displacement 3: 2.0L (1995 cc) for TS/GTL/TS Estate/GTL Estate Engine Configuration: Inline-4 cylinder, Overhead Valve (OHV) or Overhead Camshaft (OHC) depending on variant. Performance Horsepower Range: Approx. 60 hp (1.4L) to 110 hp (2.0L Turbo for specific markets, though standard 2.0L was around 96 hp). Torque Range: Varies by engine, typically from 90 Nm to 150 Nm. Fuel System Fuel Delivery 1: Carburettor (e.g., Solex, Weber) for most variants. Fuel Delivery 2: Fuel injection (Bosch L-Jetronic) on higher performance variants (e.g., R18 Turbo). Fuel Type Fuel Type: Unleaded Petrol (lead substitute additives may have been recommended for earlier models if running on leaded fuel). 🔧 Transmission Standard Type 1: 4-speed Manual Type 2: 5-speed Manual (common on higher trims and later models). Optional Type: 3-speed Automatic (e.g., by ZF or Renault's own design). Features Clutch Type: Dry single-plate diaphragm spring clutch. Gear Ratios: Specific ratios are detailed within the manual, varying by transmission type and engine. Transmission Fluid Type: Typically API GL-4 specification manual transmission fluid (e.g., 75W-80 or 75W-90). Automatic transmission fluid (ATF) for automatic gearboxes. 📐 Dimensions Exterior Length: Sedan: Approx. 4390 mm; Estate: Approx. 4460 mm. Width: Approx. 1650 mm. Height: Sedan: Approx. 1370 mm; Estate: Approx. 1450 mm. Wheelbase: Approx. 2600 mm. Weights Kerb Weight: Approx. 950-1150 kg depending on body style and engine. Cargo Cargo Volume Estate: Substantial for its class, enhanced by the estate body style. 🛡️ Safety Features Ratings Era Safety Standards: Reflects safety standards of the late 1970s and early 1980s, which were less stringent than modern standards. Active Features Brakes: Hydraulic braking system, typically front discs and rear drums. Power assistance usually standard. Steering: Rack and pinion steering. Power steering was an option on higher trims. Passive Features Seatbelts: Front seatbelts, typically lap and diagonal. Rear seatbelts may have been optional or standard depending on market and trim. Construction: Unibody construction with safety crumple zones designed into the chassis. 💡 Technology Features Infotainment Audio System: Basic AM/FM radio with optional cassette player. Speaker configurations were typically 2 or 4. Driver Assistance ABS: Anti-lock Braking System (ABS) was not a standard feature on most R18 models of this period. Connectivity Connectivity Features: No advanced connectivity features such as Bluetooth or USB ports. Communication was limited to radio signals. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000 - 7,500 km or 6-12 months, depending on usage and oil type (refer to manual for exact specification). Major Service Interval: Spark plug replacement, ignition timing adjustment, valve clearance check (if applicable) typically around 20,000...
Unleaded Petrol (lead substitute additives may have been recommended for earlier models if running on leaded fuel).
🔧 Transmission
Standard
Type 1:
4-speed Manual
Type 2:
5-speed Manual (common on higher trims and later models).
Optional
Type:
3-speed Automatic (e.g., by ZF or Renault's own design).
Features
Clutch Type:
Dry single-plate diaphragm spring clutch.
Gear Ratios:
Specific ratios are detailed within the manual, varying by transmission type and engine.
Transmission Fluid Type:
Typically API GL-4 specification manual transmission fluid (e.g., 75W-80 or 75W-90). Automatic transmission fluid (ATF) for automatic gearboxes.
📐 Dimensions
Exterior
Length:
Sedan: Approx. 4390 mm; Estate: Approx. 4460 mm.
Width:
Approx. 1650 mm.
Height:
Sedan: Approx. 1370 mm; Estate: Approx. 1450 mm.
Wheelbase:
Approx. 2600 mm.
Weights
Kerb Weight:
Approx. 950-1150 kg depending on body style and engine.
Cargo
Cargo Volume Estate:
Substantial for its class, enhanced by the estate body style.
🛡️ Safety Features
Ratings
Era Safety Standards:
Reflects safety standards of the late 1970s and early 1980s, which were less stringent than modern standards.
Active Features
Brakes:
Hydraulic braking system, typically front discs and rear drums. Power assistance usually standard.
Steering:
Rack and pinion steering. Power steering was an option on higher trims.
Passive Features
Seatbelts:
Front seatbelts, typically lap and diagonal. Rear seatbelts may have been optional or standard depending on market and trim.
Construction:
Unibody construction with safety crumple zones designed into the chassis.
💡 Technology Features
Infotainment
Audio System:
Basic AM/FM radio with optional cassette player. Speaker configurations were typically 2 or 4.
Driver Assistance
ABS:
Anti-lock Braking System (ABS) was not a standard feature on most R18 models of this period.
Connectivity
Connectivity Features:
No advanced connectivity features such as Bluetooth or USB ports. Communication was limited to radio signals.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 5,000 - 7,500 km or 6-12 months, depending on usage and oil type (refer to manual for exact specification).
Major Service Interval:
Spark plug replacement, ignition timing adjustment, valve clearance check (if applicable) typically around 20,000 - 30,000 km.
Fluid Specifications
Engine Oil Grade:
API SE/SF or equivalent. Viscosity grades like 10W-40 or 20W-50 often recommended, depending on climate (manual specifies).
Coolant Type:
Ethylene glycol-based antifreeze with corrosion inhibitors. Specific mix ratio (e.g., 50/50) required.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Known Issues
Rust And Corrosion:
Prone to rust, particularly in wheel arches, sills, and around windows, typical for vehicles of this era.
Electrical Gremlins:
Aging wiring harnesses, corroded connections, and faulty switches can lead to intermittent electrical issues.
Carburetor Issues:
Carburetors may require periodic adjustment or rebuild due to wear and deposits.
Suspension Wear:
Bushings and ball joints in the suspension can wear over time, leading to knocking noises and imprecise handling.
📚 Vehicle History
Brand Heritage
Manufacturer Legacy:
Renault, a French manufacturer with a long history in mass-market and innovative automotive design.
Model Evolution
Predecessor:
Renault 12.
Successor:
Renault 21.
Production
Manufacturing Locations:
Primarily France, but also produced under license in other countries including Argentina, Colombia, and Spain.
Production Volume:
Significant global production run, reflecting its popularity as a family and executive car.
🏆 Awards & Recognition
Recognitions
Industry Awards:
While not a single 'Car of the Year' winner in major markets, the R18 was well-regarded for its practicality and comfortable ride, earning it a solid reputation.
Ratings
Reliability Reputation:
Generally considered reliable for its time, but like all older vehicles, requires diligent maintenance. Specific long-term reliability varies by individual car and maintenance history.
Certifications
Emission Standards:
Compliant with emission regulations of the period in its respective markets; manual will detail specific emission control systems if present.
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