Basic Information Identification Make: Citroën Model: CX Year: 1975 Generation Generation Designation: CX (Series 1) Introduction Market Position Vehicle Class: Executive Car Original Market Segment: High-end, innovative European sedan Competitive...
Component removal and installation, adjustments, overhaul procedures for all major systems
Troubleshooting:
Diagnostic procedures, fault identification, repair steps for common and uncommon issues
Restoration:
Detailed guidance for refurbishing and restoring the vehicle
Technical Depth
Depth:
Comprehensive, covering professional technician level procedures and data for DIY mechanics
Manual Specifications
File Format
Quality:
Full Printable, suitable for printing individual sections or the entire manual
Searchability:
Implied searchable text within PDF format
Binding Type
Binding:
Digital (PDF) - no physical binding
Paper Type
Paper Type:
Not applicable (digital format)
Requirements
Software Requirements:
Adobe PDF Reader & WinRAR
Engine Specifications
Primary Engine
Engine Code:
Likely ES9 (2.0L OHV Inline-4) for base models, or potentially larger displacements for higher trims, specific to 1975 variants.
Engine Type:
Inline 4-cylinder, OHV (Overhead Valve)
Displacement:
Approximately 1981 cc (for ES9 engine)
Performance
Horsepower:
Approximately 99-105 hp DIN for 2.0L (ES9)
Torque:
Approximately 150-160 Nm for 2.0L (ES9)
Fuel System
Fuel Delivery:
Carbureted (e.g., Solex or Weber twin-barrel) for base models, potentially fuel injection for higher trims or later variants.
Transmission
Standard
Transmission Type Standard:
4-speed Manual
Optional
Transmission Type Optional:
3-speed or 4-speed Automatic (e.g., BorgWarner or ZF)
Features
Clutch Type:
Single dry plate clutch
Dimensions
Exterior
Length:
Approximately 4680 mm (184.3 in)
Width:
Approximately 1770 mm (69.7 in)
Height:
Approximately 1360 mm (53.5 in)
Weights
Curb Weight:
Approximately 1200-1350 kg (2645-2976 lbs), depending on engine and transmission
Safety Features
Ratings
Crash Test Results:
No official modern crash test ratings available for this era, but designed with a deformable front end and a rigid safety cage.
Active Features
Braking System:
Hydraulically assisted disc brakes on all wheels (inboard rear discs for reduced unsprung weight)
Steering System:
DIRAVI (Direction Assistée à Rappel Asservi) variable power steering
Passive Features
Seat Belts:
Front seat belts standard, rear belts optional or standard depending on market
Body Structure:
High-strength steel body shell with crumple zones
Technology Features
Infotainment
Radio Options:
Optional factory-fitted or dealer-installed radio, typically AM/FM
Driver Assistance
Steering System:
DIRAVI system provides variable power assistance that increases at low speeds and decreases at higher speeds, improving maneuverability and road feel.
Suspension System:
Hydropneumatic suspension offers self-leveling and adjustable ride height, providing exceptional ride comfort and handling.
Connectivity
Connectivity Features:
None in the modern sense; focused on mechanical and electrical systems.
Maintenance
Service Intervals
Oil Change Interval:
Typically 5,000-7,500 km (3,000-4,500 miles) or 6-12 months, depending on usage and oil type.
Lubrication Service:
Every 10,000-15,000 km (6,000-9,000 miles)
Fluid Specifications
Engine Oil Type:
API SE/SF or ACEA A2-96, SAE 20W-50 or 15W-40 recommended for ambient temperatures. Refer to manual for exact specifications.
Hydropneumatic Fluid Type:
Citroën LHS 2 (or equivalent mineral-based hydraulic fluid suitable for LHM systems, though LHS 2 is specific to early CX models). *Caution: Do NOT use modern LHM Plus.*
Brake Fluid Type:
DOT 3 or DOT 4 (for conventional hydraulic systems, not the hydropneumatic system)
Known Issues
Common Problems Hydropneumatic:
Leaking spheres, worn seals in the pump and regulators, height corrector issues, fluid contamination.
Corrosion in connectors, intermittent faults in wiring harnesses, issues with the fuse box.
Common Problems Diravi:
Leaking steering rack seals, loss of power assistance.
Vehicle History
Brand Heritage
Citroen Innovation:
Citroën is renowned for pioneering automotive technology, particularly with the Traction Avant and DS models.
Model Evolution
Cx Development:
The CX was developed as the successor to the iconic DS, carrying forward many of its innovative features while offering a more modern design and improved aerodynamics.
Launch Year:
1974 (1975 model year designation)
Production
Production Period:
1974-1997 (Series 1: 1974-1986, Series 2: 1986-1997)
Manufacturing Location:
France (main assembly plant in Rennes-La Janais)
Awards & Recognition
Recognitions
European Car Of The Year Nomination:
The Citroën CX was nominated for European Car of the Year in 1975.
Design Awards:
The CX received critical acclaim for its avant-garde design and aerodynamic efficiency.
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