Citroen CX 1981 Full Service Repair Manual

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🏷️ Basic Information Identification Make: Citroën Model: CX Year: 1981 Generation Generation Designation: Series 1 (Pre-facelift) Codes Chassis Code: CX (Typ MA) 👋 Introduction Market Position Vehicle Segment: Executive Car...

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标签: 1981 Car Cars Citroen CX

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Description

🏷️ Basic Information

Identification

Make:

Citroën

Model:

Year:

Generation

Generation Designation:

Series 1 (Pre-facelift)

Codes

Chassis Code:

CX (Typ MA)

👋 Introduction

Market Position

Vehicle Segment:

Executive Car (E-segment)

Citroen Philosophy:

Represents Citroën's commitment to advanced engineering, aerodynamic design, and unique comfort features

Competitive Analysis

Key Competitors:

BMW 5 Series, Mercedes-Benz W123, Peugeot 604, Renault 20/30

Key Features

Signature Features:

Hydropneumatic self-leveling suspension, DIRAVI variable power steering, aerodynamic 'greenhouse' design, front-wheel drive

Target Audience

Manual User:

Professional technicians and experienced DIY mechanics

📋 Manual Details

Coverage Areas

Coverage Type:

Full Service Repair and Maintenance

Page Count

Estimated Page Count:

Extensive (Specific number not provided, but implied to be comprehensive for all repair procedures)

Manual Type

Manual Type:

Factory Service Manual / Repair Manual

Language

Language:

English

Format

File Format:

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Detailed repair and overhaul procedures for all engine variants (e.g., 2.0L, 2.2L, 2.5L petrol, Diesel)

Engine Management:

Fuel injection, carburetion, ignition system diagnostics and repair

Transmission Manual:

Overhaul, repair, and adjustment procedures for manual transmissions

Transmission Automatic:

Overhaul, repair, and adjustment procedures for automatic transmissions (if applicable for 1981 models)

Hydropneumatic Suspension:

In-depth coverage of Citroën's signature hydropneumatic suspension system, including spheres, pumps, accumulators, and height correctors

Braking System:

Disc brake system maintenance, repair, bleeding procedures, and ABS troubleshooting (if equipped)

Steering System:

Power steering system repair, hydraulic fluid, and steering rack maintenance

Electrical System:

Complete wiring diagrams, component testing, diagnostics for lighting, ignition, accessories, and control units

Body And Chassis:

Body panel repair, rust prevention, chassis components, and trim restoration

Climate Control:

HVAC system service, refrigerant handling, and component repair

Interior Trim:

Removal, installation, and repair of interior components and upholstery

Procedures Included

Preventive Maintenance:

Detailed service schedules, fluid checks and changes, filter replacements, lubrication points

Diagnostic Procedures:

Systematic troubleshooting guides for common and uncommon faults, electrical diagnostics

Repair Procedures:

Step-by-step instructions for component removal, disassembly, inspection, repair, and reassembly

Rebuild Procedures:

Comprehensive instructions for engine, transmission, and major component rebuilds

Refurbishment Restoration:

Guidance applicable for restoring the vehicle to its original condition

Wiring Diagrams:

Detailed, organized electrical schematics for all vehicle circuits

Technical Depth

Depth Of Information:

Professional Technician Level (Covers all diagnostic and repair procedures as used by professionals)

Detail Level:

Detailed sub-steps, critical notes, cautions, and warnings

Illustrations:

High-quality illustrations, drawings, and photos guiding each procedure

Part Identification:

Enlarged inset diagrams for detailed examination of parts

📊 Manual Specifications

File Format

File Type:

Print Quality

Printability:

Full Printable (All pages can be printed)

Binding Type

Binding:

Digital Download (Printable at user's discretion)

Paper Type

Paper Quality:

N/A (Digital Format)

Software Requirements

Reader Requirement:

Adobe PDF Reader

Archive Utility:

WinRAR (or compatible decompression software)

Compatibility

Operating Systems:

All Versions of Windows & Mac

⚙️ Engine Specifications

Primary Engine

Engine Family:

Douvrin (PSA-Renault joint venture)

Engine 1981 2.0L:

1995cc, 90 hp (net) @ 5200 rpm, 158 Nm @ 3000 rpm (approx. for CX 20)

Engine 1981 2.2L:

2175cc, 112 hp (net) @ 5200 rpm, 179 Nm @ 3000 rpm (approx. for CX 22)

Engine 1981 2.5L:

2498cc, 120 hp (net) @ 5000 rpm, 194 Nm @ 3000 rpm (approx. for CX 25)

Engine 1981 Diesel:

2377cc, 75 hp (net) @ 4000 rpm, 152 Nm @ 2000 rpm (approx. for CX 22 D)

Performance

Top Speed:

Varies by engine, e.g., ~170-185 km/h for petrol variants

Acceleration 0 100Kmh:

Varies by engine, e.g., ~10.5-14 seconds

Fuel System

Carburetion Injection:

Single or twin Zenith carburetors (for lower trims), Bosch L-Jetronic fuel injection (for higher trims like CX 25 GTi)

Fuel Type

Fuel Requirement:

Unleaded Petrol (Octane rating as specified in manual), Diesel

🔧 Transmission

Standard

Standard Transmission Type:

4-speed Manual (for lower trims)

Optional

Optional Transmission Type:

3-speed or 4-speed ZF automatic transmission (optional on many models)

Features

Gear Ratios:

Detailed in manual for all variants

Transmission Fluid:

Specific ATF type for automatics, gear oil for manuals (specified in manual)

📐 Dimensions

Exterior

Length:

Approx. 4630 mm (Standard Sedan)

Width:

Approx. 1770 mm

Height:

Approx. 1350-1370 mm (Adjustable via suspension)

Wheelbase:

Approx. 2800 mm

Weights

Curb Weight:

Approx. 1300-1450 kg (Varies by model and engine)

Gross Vehicle Weight:

Specified per model in manual

🛡️ Safety Features

Ratings

Crash Test Performance:

Information on crashworthiness, though formal ratings of modern standards were less common in 1981. Manual will detail safety construction.

Active Features

Steering System Safety:

DIRAVI power steering for improved stability at speed and lighter feel at low speeds

Braking System Features:

Hydraulic brake assistance, front ventilated discs, rear discs

Passive Features

Seat Belts:

Front and rear seat belts

Body Structure:

Integrated safety cage, deformable crumple zones

💡 Technology Features

Infotainment

Radio System:

Optional factory-fitted radio/cassette player (brands like Blaupunkt, Philips were common)

Speaker Configuration:

Typically 2 or 4 speakers, depending on trim level

Driver Assistance

Steering Assistance:

DIRAVI progressive power steering (variable assistance)

Cruise Control:

Optional on higher-spec models

Connectivity

Connectivity Features:

Limited to factory radio connections; no modern connectivity options

🔧 Maintenance

Service Intervals

Oil Change Interval:

Typically every 5,000 - 7,500 km or 6-12 months, depending on usage (refer to manual for specific intervals)

Suspension Fluid Change:

Regular inspection and topping up of LHM (Citroën's hydraulic fluid) is critical

Timing Belt Chain:

If belt-driven (check specific engine), intervals would be critical, likely around 60,000-80,000 km. Chain-driven engines are generally maintenance-free in this regard.

Fluid Specifications

Engine Oil Type:

API SF/CC or SG/CD, SAE 10W-40 or 15W-50 (check manual for exact viscosity and API rating)

Hydraulic Fluid:

Citroën LHM Plus (Green fluid) is essential for the hydropneumatic system

Coolant:

Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio)

Brake Fluid:

DOT 3 or DOT 4 (specified in manual)

Known Issues

Hydropneumatic System:

Leaking spheres, failing hydraulic pump, worn seals, low fluid levels leading to ride height problems

Electrical Gremlins:

Common in older vehicles, often related to wiring degradation, grounding issues, or failing relays

Rust:

Prone to rust in wheel arches, sills, and door bottoms, especially in areas with road salt

Diravi System:

Potential leaks or stiffness in the steering rack and hydraulic lines

📚 Vehicle History

Brand Heritage

Citroen Legacy:

Known for avant-garde design and advanced, often complex, engineering solutions (e.g., 2CV, DS)

Model Evolution

Cx Introduction:

Introduced in 1974 as the successor to the iconic Citroën DS

Cx Series 1:

1981 marks the Series 1, which underwent minor revisions before the significant Series 2 facelift in 1986.

Production

Production Period:

1974-1991 (CX model line)

Production Location

Manufacturing Plants:

France (primarily Rennes-La Janais and Aulnay-sous-Bois)

🏆 Awards & Recognition

Recognitions

European Car Of The Year:

Not won by the CX, but a strong competitor in its era. The DS won European Car of the Year in 1956.

Ratings

Comfort Ratings:

Consistently lauded for its exceptional ride comfort and handling by automotive journalists of the era.