Comprehensive: Covers everything from basic maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures.
đ Manual Specifications
File Format
Quality:
High-quality PDF with clear, legible text and images; likely searchable.
Print Quality
Printability:
Designed for printing individual sections or the entire manual for hands-on workshop use.
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Type:
N/A (Digital Download)
âïž Engine Specifications
Primary Engine
Engine Variants:
A series of inline-four cylinder engines. Common displacements include 1.4L (1397cc), 1.6L (1647cc), 1.7L (1721cc), 1.8L (1769cc), and 2.0L (1995cc). Diesel variants (e.g., 2.1L) also available in some markets.
Performance
Horsepower Range:
Approximately 60 HP to 110 HP depending on engine size and specification (e.g., carbureted vs. fuel-injected).
Torque Range:
Approximately 90 Nm to 160 Nm.
Fuel System
Fuel Delivery:
Primarily carburetor-based (e.g., Solex, Weber) for most models. Later or higher-performance variants may feature Bosch L-Jetronic or similar fuel injection systems.
Ethylene glycol based coolant (typically 50/50 mix with distilled water).
Lubrication System
Oil Type:
API SF/SG rated multi-grade engine oil. Common viscosities include 10W-40 or 20W-50 depending on ambient temperature. Specific API classifications and SAE viscosities will be detailed in the manual.
đ§ Transmission
Standard
Transmission Type:
4-speed or 5-speed manual transaxle.
Optional
Transmission Type:
3-speed or 4-speed automatic transmission (e.g., sourced from ZF or BorgWarner depending on market).
Features
Drive Layout:
Front-wheel drive (FWD).
Gearbox Oil Type:
GL-4 Hypoid gear oil (e.g., SAE 80W-90 or SAE 75W-90). Specific part numbers or API classifications will be in the manual.
đ Dimensions
Exterior
Wheelbase:
Approx. 2600-2650 mm (varies slightly by body style).
Length:
Approx. 4350-4450 mm (sedan/coupe), 4450-4550 mm (estate).
Width:
Approx. 1680-1700 mm.
Height:
Approx. 1380-1420 mm (sedan/coupe), 1450-1480 mm (estate).
Weights
Curb Weight:
Approx. 1000-1200 kg (depending on engine and equipment).
đĄïž Safety Features
Ratings
Crash Test Results:
No standardized global crash test ratings (e.g., Euro NCAP, NHTSA) existed for this era. Localized safety assessments varied.
Active Features
Features:
Standard front disc brakes, rear drum brakes. Optional power-assisted brakes.
Passive Features
Features:
Seat belts (front standard, rear optional on some early models), reinforced passenger cell, collapsible steering column.
đĄ Technology Features
Infotainment
Features:
Basic AM/FM radio, often with cassette player. Analog gauges for speedometer, tachometer, fuel, and temperature. No complex electronics or digital displays.
Driver Assistance
Features:
No advanced driver-assistance systems (ADAS). Basic functionality like power steering on some models.
Connectivity
Features:
No modern connectivity features like Bluetooth or USB. Analog systems only.
đ§ Maintenance
Service Intervals
Oil Change:
Typically every 5,000-7,500 km (3,000-4,500 miles) or 6-12 months, whichever comes first. Manual will specify exact intervals.
Spark Plugs:
Intervals vary by spark plug type (e.g., copper vs. platinum). Typically 20,000-30,000 km (12,000-18,000 miles).
Timing Belt:
Critical component. Intervals vary by engine, typically 50,000-80,000 km (30,000-50,000 miles). Failure can cause catastrophic engine damage. Manual will provide precise interval and replacement procedure.
Fluid Specifications
Engine Oil Capacity:
Approx. 3.5-4.5 liters (including oil filter), depending on engine variant. Manual will confirm.
Coolant Capacity:
Approx. 5-6 liters. Manual will confirm.
Brake Fluid Type:
DOT 3 or DOT 4 synthetic brake fluid. Manual will specify exact type and DOT rating.
Known Issues
Common Problems:
Rust/corrosion in common areas (wheel arches, sills, door bottoms), carburetor tuning issues, electrical gremlins (aged wiring/connectors), potential for radiator leaks or thermostat failure, worn suspension bushings.
Timing Belt Reliability:
Timing belt tensioner and idler pulley wear can be an issue, necessitating replacement of the entire kit when the belt is changed.
đ Vehicle History
Brand Heritage
Heritage:
Renault, a historic French automaker founded in 1899, has a long lineage of producing practical, innovative, and often stylish vehicles for the mass market.
Model Evolution
Evolution:
The Renault 18 was introduced in 1978 as a replacement for the aging Renault 12. It featured a more modern, aerodynamic design and improved comfort, utilizing a transverse engine layout driving the front wheels, a common configuration for Renault.
Production
Production Years:
1978-1986 (in Europe). Continued production in other regions (e.g., Argentina, Romania as Dacia Duster derivative) beyond these years.
Manufacturing Locations:
Primary manufacturing in France (e.g., Sandouville, Flins). Also assembled in other countries through licensing or joint ventures.
đ Awards & Recognition
Recognitions
Industry Awards:
While not typically winning major 'Car of the Year' awards during its debut, the Renault 18 was well-regarded in its class for comfort and practicality by automotive journalists in its respective markets.
Ratings
Consumer Satisfaction:
Generally considered a durable and reliable vehicle when properly maintained, though subject to the typical age-related issues of vehicles from this era.